Product Description
Factory Price Gas Turbine Bearings Cylindrical Roller Bearing Nu207 Nu209 Nu211 E/M/Etn1
Product Description
Cylindrical Roller bearing is 1 of the rolling bearings, which is widely used in modern machinery.It relies on rolling contact between the main components to support the rotating parts.Roller bearings are now mostly standardized.Roller bearing has the advantages of small torque required for starting, high rotation accuracy and convenient selection.
| Product name | Cylindrical roller bearing |
| Material | Bearing Steel |
| Standard | DIN GB ISO JIS |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Service | OEM service provided |
| Delivery time | 3-10 days depends on quantity needed |
Characteristics:
Less friction and low noise, durable.
Ability to carry heavy loads
Less coefficient of friction.
High limiting speed.
Variations of structure:N,NU,NJ,NF,NUP,NFP,NH,NN,NNU,NNF,FC,FCD.
Physical Characteristics:
Cylindrical roller bearing can be separated by single row,double rows, and 4 rows.
This kind of bearing can be submitted to high radial load and some axial load.
The rolling element of a cylindrical roller bearing is cylinder, the 2 ends of the external lines have the corrective slope which can eliminate the contact stress.
NN and NNU design cylindrical roller bearing have high rigid and apply to machines such as milling
| diameter (mm) | Bearing Designation | Boundary Dimensions (mm) | Basic Load Ratings (N) | Limiting Speeds (rpm) | Weight (Kg) | ||||||
| Current Designation | d | D | B | rsmin | r1smin | Cr Dynamic | Cor Static | Grease | Oil | ||
| 16 | SZ-4101 | 16 | 44 | 8.3 | 15700 | 18000 | 0. 0571 1 | ||||
| 17 | N203 | 17 | 40 | 12 | 0.6 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.07800 |
| NJ203 | 17 | 40 | 12 | 0.7 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.06900 | |
| NJ203ETN1 | 17 | 40 | 12 | 0.6 | 0.6 | 16900 | 13800 | 16000 | 19000 | 0. 0571 8 | |
| NU203 | 17 | 40 | 12 | 0.6 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.07000 | |
| NU203ETN1 | 17 | 40 | 12 | 0.6 | 0.3 | 16900 | 13800 | 16000 | 19000 | 0.06654 | |
| NJ2203E | 17 | 40 | 16 | 0.6 | 0.3 | 22800 | 20300 | 13800 | 16400 | 0.09200 | |
| 20 | N204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.13300 |
| NF204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.11000 | |
| NJ204 | 20 | 47 | 14 | 1.1 | 0.7 | 17000 | 14400 | 13800 | 16400 | 0.14000 | |
| NU204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.13500 | |
| NU204/C3 | 20 | 47 | 14 | 1 | 0.6 | 14400 | 13100 | 13800 | 16400 | 0.10670 | |
| N304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.14470 | |
| NJ304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.15750 | |
| NU304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.15190 | |
| NUP304ETN1 | 20 | 52 | 15 | 1.1 | 0.6 | 31500 | 26800 | 10600 | 13100 | 0.15582 | |
| NJ2304ETN1 | 20 | 52 | 21 | 1.1 | 0.6 | 42000 | 38700 | 10000 | 13000 | 0.21267 | |
Our Advantages
1. World-Class Bearing:
We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings:
Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality:
The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery:
The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 3-10 days of payment being received.
3.Does your company have quality assurance?
Yes, for 2 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
Please feel free to contact us, if you have any other question
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Double |
| Outer Dimension: | Medium and Large(120-190mm) |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Are there specific industries or applications where rolling contact bearings are frequently used?
Rolling contact bearings find extensive use in various industries and applications due to their versatility, load-carrying capacity, and efficiency. Here’s a detailed explanation of some specific industries and applications where rolling contact bearings are frequently employed:
- Automotive Industry:
The automotive industry extensively utilizes rolling contact bearings in various components and systems. These bearings are found in engines, transmissions, wheel hubs, suspension systems, steering columns, and different drivetrain components. In the automotive sector, rolling contact bearings provide reliable support for rotating shafts, facilitate smooth wheel rotation, and contribute to overall vehicle performance and safety.
- Aerospace Industry:
Rolling contact bearings play a critical role in the aerospace industry, where they are used in aircraft engines, landing gear systems, control surfaces, and various other applications. These bearings provide reliable and precise rotation in demanding aerospace environments, contributing to the safety, efficiency, and performance of aircraft.
- Industrial Machinery:
Rolling contact bearings are widely employed in a broad range of industrial machinery. They are found in machine tools, industrial pumps, compressors, conveyors, printing machines, textile machinery, and many other equipment types. These bearings support the rotating components of machinery, enabling smooth and efficient operation while withstanding heavy loads and high speeds.
- Power Generation:
In the power generation sector, rolling contact bearings are utilized in turbines, generators, wind turbines, and other power generation equipment. These bearings withstand the rotational forces and high temperatures associated with power generation, contributing to the efficient conversion of mechanical energy into electrical energy.
- Mining and Construction:
Rolling contact bearings are widely used in mining and construction equipment, such as crushers, conveyors, excavators, and bulldozers. These bearings are designed to handle heavy loads, shock loads, and harsh operating conditions commonly encountered in mining and construction applications.
- Railway Industry:
In the railway industry, rolling contact bearings are utilized in locomotives, passenger trains, freight cars, and rail infrastructure. These bearings support the axles, wheels, and other rotating components of railway systems, ensuring smooth and reliable operation while withstanding the dynamic forces and heavy loads associated with rail transportation.
- Wind Energy:
The wind energy sector relies on rolling contact bearings in wind turbines. These bearings support the rotor shaft, allowing efficient rotation of the turbine blades to convert wind energy into electrical power. Rolling contact bearings in wind turbines are subjected to high axial and radial loads, as well as challenging environmental conditions.
These are just a few examples of the industries and applications where rolling contact bearings are frequently used. They are also employed in countless other sectors, including marine, agriculture, medical equipment, robotics, and more. The versatility and effectiveness of rolling contact bearings make them an essential component in a wide range of machinery and equipment across various industries.
Can you describe the various types of seals and shields used with rolling contact bearings for contamination prevention?
Various types of seals and shields are used with rolling contact bearings to prevent contamination and protect the bearing internals. Here’s a detailed description of the commonly used seals and shields:
- Contact Seals:
Contact seals, also known as lip seals or radial seals, are designed to provide a barrier against contaminants while maintaining lubricant retention within the bearing. These seals consist of a flexible lip that makes contact with the inner or outer ring of the bearing. The lip is typically made of synthetic rubber or elastomeric material. Contact seals effectively prevent the entry of solid particles, liquids, and other contaminants into the bearing. They are suitable for applications with moderate operating speeds and rotational requirements where the sealing function takes priority over low friction.
- Non-Contact Seals:
Non-contact seals, also known as labyrinth seals or gap seals, create a labyrinthine path that hinders the entry of contaminants into the bearing. These seals do not make physical contact with the bearing rings, resulting in lower friction and reduced heat generation compared to contact seals. Non-contact seals are typically constructed using metallic or non-metallic components with precise geometries to create a tortuous path for contaminants. They are suitable for high-speed applications and environments where low friction and minimal heat generation are important considerations.
- Shields:
Shields, also referred to as metal shields or non-contact shields, provide a physical barrier between the rolling elements and the external environment. Shields are typically made of metal, such as steel, and are attached to the outer ring of the bearing. They cover a portion of the bearing’s circumference, leaving a small gap for the rolling elements to function. Shields offer effective protection against larger particles and prevent the direct contact of contaminants with the rolling elements. However, they do not provide a complete seal, allowing for limited air circulation and lubricant flow within the bearing.
- Hybrid Seals:
Hybrid seals combine the advantages of contact seals and non-contact seals. These seals use a combination of contacting and non-contacting elements to provide enhanced protection against contamination. Hybrid seals are designed to reduce friction and heat generation while offering improved sealing performance compared to contact seals. They typically incorporate a non-contacting labyrinth or gap seal with additional contact elements, such as lip seals or brush seals, to provide a more effective barrier against contaminants.
- Ingress Protection (IP) Ratings:
In addition to the specific seal and shield types, rolling contact bearings may also be assigned Ingress Protection (IP) ratings. IP ratings indicate the level of protection provided against solid particles, such as dust and dirt, as well as liquids, such as water and oil. The IP rating is typically represented by a two-digit number, where the first digit represents the level of protection against solid particles, and the second digit represents the level of protection against liquids. Higher IP ratings indicate greater protection against contaminants.
The selection of the appropriate seal or shield type depends on various factors, including the application requirements, operating conditions, contamination risks, and desired friction characteristics. Manufacturers typically provide information on the recommended sealing options for their bearing products, considering the specific application needs and environmental conditions.
Can you describe the load-carrying capacity and load ratings of rolling contact bearings?
Rolling contact bearings are designed to carry various types of loads in mechanical systems. The load-carrying capacity and load ratings of rolling contact bearings play a crucial role in determining their suitability for specific applications. Here’s a detailed explanation of these concepts:
- Load-Carrying Capacity:
The load-carrying capacity of a rolling contact bearing refers to its ability to support and distribute loads without excessive deformation or failure. It is influenced by factors such as the bearing’s design, material properties, and operating conditions. Rolling contact bearings are primarily designed to carry two types of loads:
- Radial Loads: Radial loads act perpendicular to the axis of rotation and are supported by the bearing’s raceways. Radial loads can arise from the weight of the shaft, centrifugal forces, or external forces applied to the bearing. The load-carrying capacity for radial loads is typically specified by the maximum radial load the bearing can withstand without suffering permanent deformation or reduced performance.
- Axial Loads: Axial loads act parallel to the axis of rotation and are supported by the bearing’s configuration, such as the arrangement of the rolling elements or the presence of thrust surfaces. Axial loads can arise from forces that push or pull along the axis of rotation. The load-carrying capacity for axial loads is typically specified by the maximum axial load the bearing can withstand without experiencing excessive wear or reduced performance.
It’s important to note that the load-carrying capacity of a rolling contact bearing is influenced by factors such as rotational speed, lubrication, temperature, and operating conditions. These factors can affect the performance and durability of the bearing under different load conditions.
- Load Ratings:
Load ratings provide standardized values that indicate the maximum permissible loads a rolling contact bearing can carry under specific operating conditions. These ratings help engineers and designers select bearings that can withstand the expected loads in a given application. The two primary load ratings specified for rolling contact bearings are:
- Dynamic Load Rating: The dynamic load rating (C) represents the maximum load that a bearing can carry for a specified number of revolutions or operating hours without developing excessive wear or fatigue. It is based on the bearing’s ability to withstand rolling contact fatigue, which is the most common mode of failure in rolling contact bearings. The dynamic load rating is typically provided by the bearing manufacturer and is expressed in units of force (such as Newtons or pounds-force).
- Static Load Rating: The static load rating (Co) indicates the maximum load that a bearing can withstand without permanent deformation when the bearing is stationary or subjected to very slow rotational speeds. It represents the load capacity of the bearing under static or slowly changing loads. Similar to the dynamic load rating, the static load rating is also provided by the bearing manufacturer and expressed in units of force.
It’s important to consider both the dynamic and static load ratings when selecting a rolling contact bearing for an application. The dynamic load rating is crucial for assessing the bearing’s ability to withstand the varying loads during operation, while the static load rating provides information about the bearing’s resistance to deformation under stationary or slow-speed conditions.
By considering the load-carrying capacity and load ratings of rolling contact bearings, engineers can choose the appropriate bearing type and size to ensure reliable and efficient operation in their specific applications.
editor by CX 2024-05-10
China OEM Kg250aro Chrome Steel CZPT Catalog Ultra Reali Slim Wall Roller Silverthin Ball Tapered Thrust Angular Contact Metric Sleeve Thin Bearing Thin Section B bearing bronze
Product Description
JA035CP0 Thin Section sealed Ball Bearing with a 1/4″ cross section width, JA035CP0 bearing is a popular item that could be used in many applications, the dimensions are 3 1/2″ x 4″ x 1/4″ inch, JA035CP0 bearing has Brass balls retainer, JA035CP0 bearing is oil preserved.Item: JA035CP0 Ball BearingType: Deep groove Radial Ball BearingMaterial: Chrome SteelBrand: Cage: BrassClosures: OpenDimensions: 3 1/2″ x 4″ x 1/4″ inchID (inner diameter)/Bore: 3 1/2″ inchOD (outer diameter): 4″ inchWidth/Height/thickness: 1/4″ inchSize: 3.5″ x 4″ x 0.25″Cross Section: 1/4″ inchDynamic load rating: 2095 NStatic load rating: 5836 NQuantity: One BearingKAA opening type 4.762mm(CP0/XP0/AR0
KAA571,KAA015,KAA017
KA opening type 6.35mm(CP0/XP0/AR0
KA571,KA571,KA030,KA035,KA040,KA042,
KA045,KA050,KA055,KA060,KA065,KA070,
KA075,KA080,KA090,KA100,KA110,KA120,
KA140,KA180,KA200
KB opening type 7.938mm(CP0/XP0/AR0
KB571,KB571,KB030,KB035,KB040,KB042,
KB045,KB050,KB055,KB060,KB065,KB070,
KB075,KB080,KB090,KB100,KB110,KB120,
KB140,KB180,KB200
KC opening 9.525mm(CP0/XP0/AR0
KC040,KC042,KC045,KC050,KC055,KC060,
KC065,KC070,KC075,KC080,KC090,KC100,
KC110,KC120,KC140,KC180,KC200
KD opening type 12.7mm(CP0/XP0/AR0
KD040,KD042,KD045,KD050,KD055,KD060,
KD065,KD070,KD075,KD080,KD090,KD100,
KD110,KD120,KD140,KD180,KD200
KF opening type 19.05mm(CP0/XP0/AR0
KF040,KF042,KF045,KF050,KF055,KF060,
KF065,KF070,KF075,KF080,KF090,KF100,
KF110,KF120,KF140,KF180,KF200
KG open 25.4mm(CP0/XP0/AR0
KG040,KG042,KG045,KG050,KG055,
KG060,KG065,KG070,KG075,KG080,
KG090,KG100,KG110,KG120,KG140,
KG180,KG200,KG250,KG300,KG400
JA seals 6.35mm(CP0/XP0/A
JHA571,JHA015,JA571,JA571,JA030,JA035,
JA040,JA042,JA045,JA050,JA055,JA060,JA065
JB seals 7.938mm(CP0/XP0/AR
JB571,JB571,JB030,JB035,JB040,JB042,
JB045,JB050,JB055,JB060,JB065
JU seals 12.7mm(CP0/XP0/AR
JU040,JU042,JU045,JU050,JU055,JU060,
JU065,JU070,JU075,JU080,JU090,JU100,
JU110,JU120
JG seals 25.4mm(CP0/XP0/AR0
JG120,JG140,JG160,JG180
5mm-360mm is 8mm,13mm,20mm
thick 8mm (CP0/XP0/
K57108,K05008,K06008,K07008,K08008,K09008,K10008,K11008,
K12008,K13008,K14008,K15008,K16008,K17008,K1K20008,K25008,K30008,K32008,K34008,K36 thick 13mm open (CP0/XP0/
K57113,K05013,K06013,K 0571 3,K08013,K 0571 3,K10013,K11013,
K12013,K13013,K14013,K15013,K16013,K17013,K18013,K19013,
K20013,K25013,K30013,K32013,K34013,K36013
T20mm(CP0/XP0/
K571hinck 20,K 0571 1,K06571,K5711,K 0571 1,K09571,K1571,K11571,
K12571,K13571,K14571,K15571,K16571,K17571,K18571,K19571,
K2571,K25571,K3571,K32571,K34571,K36571
thick 8mm Seals (CP0/XP0/ARO
J57108,J05008,J06008,J07008,J08008,J09008,J10008,J11008,
J12008,J13008,J14008,J15008,J16008,J1700
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | P0.P6.P5 |
|---|---|
| Cage Material: | Brass.Nylon Plastic Full Ball |
| Outer Ring: | Chrome Steel |
| Inner Ring: | Gcr15 |
| Weight: | 8.845kg |
| Contact Angle: | 25° |
How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?
Proper lubrication is essential for ensuring optimal performance and longevity of tapered roller bearings. Lubrication plays a critical role in reducing friction, preventing wear, and managing heat generated during operation. Here’s how proper lubrication impacts tapered roller bearings:
- Reduced Friction:
Lubrication forms a thin film between the rolling elements and raceways, reducing direct metal-to-metal contact. This minimizes friction and the associated heat generation, allowing the bearing to operate smoothly and efficiently.
- Wear Prevention:
Lubrication forms a protective barrier that prevents wear and surface damage. Without proper lubrication, friction can lead to accelerated wear, pitting, and even surface scoring, shortening the bearing’s lifespan.
- Heat Dissipation:
Effective lubrication helps dissipate heat generated during operation. This is especially crucial in high-speed applications where excessive heat can lead to premature bearing failure or degradation of lubricant properties.
- Corrosion Protection:
Lubrication helps create a barrier that protects bearing surfaces from environmental factors that could lead to corrosion. This is particularly important in applications exposed to moisture, chemicals, or other corrosive agents.
- Noise and Vibration Reduction:
Proper lubrication can dampen vibrations and reduce noise by providing a cushioning effect between the rolling elements and raceways. This contributes to smoother and quieter operation.
- Longevity:
Well-lubricated bearings experience less wear and stress, leading to extended service life. Bearings that are inadequately lubricated or run dry are prone to premature failure due to excessive wear, heat buildup, and damage to bearing surfaces.
- Efficiency:
Adequate lubrication maintains the bearing’s efficiency by minimizing energy losses due to friction. Bearings that lack proper lubrication require more energy to overcome higher friction levels, resulting in reduced efficiency.
- Lubrication Methods:
Various lubrication methods are available, including grease lubrication and oil lubrication. The choice depends on factors such as speed, load, temperature, and application requirements.
To ensure proper lubrication:
- Follow Manufacturer Recommendations:
Consult the bearing manufacturer’s recommendations for lubricant type, viscosity, and replenishment intervals.
- Monitor and Maintain:
Regularly monitor the condition of the lubricant and the bearing’s performance. Implement a maintenance schedule for lubricant replacement or replenishment.
- Environmental Considerations:
Consider the operating environment’s temperature, contamination levels, and exposure to external elements. Some applications may require special lubricants for extreme conditions.
In summary, proper lubrication is crucial for maintaining tapered roller bearings’ performance, preventing wear, reducing friction and heat, and extending their lifespan. A well-lubricated bearing contributes to smoother operation, lower maintenance costs, and improved efficiency.
What are the Common Signs of Wear or Damage in Tapered Roller Bearings?
Identifying signs of wear or damage in tapered roller bearings is crucial for maintaining optimal performance and preventing costly failures. Here are the common signs to look for:
- Abnormal Noise:
Unusual noises, such as grinding, clicking, or rumbling sounds, may indicate damage within the bearing. These noises could result from worn rollers, raceways, or insufficient lubrication.
- Vibration:
Excessive vibration or unusual vibrations not typically present during operation may indicate an issue with the bearing. Vibration can result from misalignment, worn components, or uneven loading.
- Increased Operating Temperature:
If the bearing becomes excessively hot during operation, it could indicate inadequate lubrication, excessive friction, or other issues. Monitoring temperature changes can help identify potential problems.
- Irregular Rotation:
If the bearing experiences irregular rotation, such as sticking or rough movement, it could be due to damaged rollers, misalignment, or improper preload.
- Visible Wear:
Inspect the bearing for visible signs of wear or damage, such as pitting, scoring, discoloration, or deformation of the bearing components.
- Increased Noise or Vibration Under Load:
If the bearing makes more noise or vibrates noticeably when subjected to load, it could indicate that the bearing is unable to handle the applied load properly.
- Uneven Wear:
Uneven wear patterns on the rollers or raceways can suggest misalignment or inadequate lubrication, causing the bearing to experience uneven loading.
- Loss of Performance:
If the bearing’s performance decreases, such as reduced efficiency or increased friction, it may indicate wear, contamination, or other issues affecting the bearing’s operation.
- Looseness or Play:
If there’s excessive play or looseness in the bearing assembly, it could be a sign of worn components or inadequate preload, impacting the bearing’s stability and performance.
- Leaks or Contaminants:
Inspect for leaks of lubricant or the presence of contaminants around the bearing. Leaks can indicate seal damage, and contaminants can accelerate wear.
- Observable Damage to Components:
If any bearing components, such as rollers, cages, or raceways, appear visibly damaged or deformed, immediate attention is necessary to prevent further issues.
Regular inspection and maintenance are essential to catch these signs early and prevent further damage. Addressing wear or damage promptly can extend the bearing’s lifespan and avoid costly downtime.
Can you Explain the Design and Construction of Tapered Roller Bearings?
The design and construction of tapered roller bearings are characterized by their conical geometry and specific components that enable them to handle radial and axial loads simultaneously. Here’s an overview of their design and construction:
- Components:
Tapered roller bearings consist of the following components:
- Inner Ring:
The inner ring has a conical raceway on its inner surface, which matches the conical shape of the rollers. It serves as the raceway for the rollers and provides support to the rotating assembly.
- Outer Ring:
The outer ring also features a conical raceway on its inner surface that complements the shape of the rollers. The outer ring provides a rigid structure to house the entire bearing assembly.
- Tapered Rollers:
The rollers have a conical shape with varying diameters along their length. This design allows the rollers to make point contact with the inner and outer raceways, distributing loads efficiently.
- Cage:
The cage or retainer holds the rollers in position, maintaining proper spacing and preventing them from coming into contact with each other. The cage material can vary, and its design may affect factors like friction and heat generation.
- Conical Geometry:
The distinguishing feature of tapered roller bearings is their conical geometry. The conical angle is defined by the contact angle between the roller axis and the bearing axis. This angle facilitates effective load distribution and axial load support.
- Load Distribution:
The conical shape of the rollers and raceways allows tapered roller bearings to handle both radial and axial loads. Radial loads are primarily supported by the larger diameter of the rollers at the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance and Preload:
Many tapered roller bearings allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s internal play, optimizing performance and minimizing friction.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings find applications in various industries, including automotive, heavy machinery, aerospace, and more. They are used in scenarios that require efficient load distribution and handling of combined loads.
In summary, tapered roller bearings are designed with conical geometry to accommodate both radial and axial loads. Their specific components, such as tapered rollers and a cage, work together to ensure effective load distribution, making them suitable for a wide range of industrial applications.
editor by CX 2024-05-08
China Custom Sc060cpo Chrome Steel CZPT Catalog Ultra Reali Slim Wall Roller Silverthin Ball Tapered Thrust Angular Contact Metric Sleeve Thin Section Bearings bearing and race
Product Description
KAA opening type 4.762mm(CP0/XP0/AR0
KAA571,KAA015,KAA017
KA opening type 6.35mm(CP0/XP0/AR0
KA571,KA571,KA030,KA035,KA040,KA042,
KA045,KA050,KA055,KA060,KA065,KA070,
KA075,KA080,KA090,KA100,KA110,KA120,
KA140,KA180,KA200
KB opening type 7.938mm(CP0/XP0/AR0
KB571,KB571,KB030,KB035,KB040,KB042,
KB045,KB050,KB055,KB060,KB065,KB070,
KB075,KB080,KB090,KB100,KB110,KB120,
KB140,KB180,KB200
KC opening 9.525mm(CP0/XP0/AR0
KC040,KC042,KC045,KC050,KC055,KC060,
KC065,KC070,KC075,KC080,KC090,KC100,
KC110,KC120,KC140,KC180,KC200
KD opening type 12.7mm(CP0/XP0/AR0
KD040,KD042,KD045,KD050,KD055,KD060,
KD065,KD070,KD075,KD080,KD090,KD100,
KD110,KD120,KD140,KD180,KD200
KF opening type 19.05mm(CP0/XP0/AR0
KF040,KF042,KF045,KF050,KF055,KF060,
KF065,KF070,KF075,KF080,KF090,KF100,
KF110,KF120,KF140,KF180,KF200
KG open 25.4mm(CP0/XP0/AR0
KG040,KG042,KG045,KG050,KG055,
KG060,KG065,KG070,KG075,KG080,
KG090,KG100,KG110,KG120,KG140,
KG180,KG200,KG250,KG300,KG400
JA seals 6.35mm(CP0/XP0/A
JHA571,JHA015,JA571,JA571,JA030,JA035,
JA040,JA042,JA045,JA050,JA055,JA060,JA065
JB seals 7.938mm(CP0/XP0/AR
JB571,JB571,JB030,JB035,JB040,JB042,
JB045,JB050,JB055,JB060,JB065
JU seals 12.7mm(CP0/XP0/AR
JU040,JU042,JU045,JU050,JU055,JU060,
JU065,JU070,JU075,JU080,JU090,JU100,
JU110,JU120
JG seals 25.4mm(CP0/XP0/AR0
JG120,JG140,JG160,JG180
5mm-360mm is 8mm,13mm,20mm
thick 8mm (CP0/XP0/
K57108,K05008,K06008,K07008,K08008,K09008,K10008,K11008,
K12008,K13008,K14008,K15008,K16008,K17008,K1K20008,K25008,K30008,K32008,K34008,K36 thick 13mm open (CP0/XP0/
K57113,K05013,K06013,K 0571 3,K08013,K 0571 3,K10013,K11013,
K12013,K13013,K14013,K15013,K16013,K17013,K18013,K19013,
K20013,K25013,K30013,K32013,K34013,K36013
T20mm(CP0/XP0/
K571hinck 20,K 0571 1,K06571,K5711,K 0571 1,K09571,K1571,K11571,
K12571,K13571,K14571,K15571,K16571,K17571,K18571,K19571,
K2571,K25571,K3571,K32571,K34571,K36571
thick 8mm Seals (CP0/XP0/ARO
J57108,J05008,J06008,J07008,J08008,J09008,J10008,J11008,
J12008,J13008,J14008,J15008,J16008,J1700
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | P0.P6.P5 |
|---|---|
| Cage Material: | Brass.Nylon Plastic Full Ball |
| Outer Ring: | Chrome Steel |
| Inner Ring: | Gcr15 |
| Weight: | 0.113kg |
| Structure: | Xpo Aro Cpo |
What Factors should be Considered when Selecting a Tapered Roller Bearing for a Specific Application?
Choosing the right tapered roller bearing for a specific application involves considering various factors to ensure optimal performance and reliability. Here are the key factors to consider:
- Load Requirements:
Assess the types and magnitudes of both radial and axial loads the bearing will experience. Choose a tapered roller bearing with a load capacity that comfortably exceeds the expected loads to prevent premature wear or failure.
- Speed:
Determine the required rotational speed of the bearing. High-speed applications may require bearings designed for reduced friction and heat generation to maintain efficiency and avoid overheating.
- Precision and Tolerance:
Consider the level of precision required for the application. Tapered roller bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) grades, which impact factors like smoothness and accuracy of rotation.
- Mounting and Installation:
Assess the available space for mounting the bearing and consider the ease of installation. Bearings with adjustable clearance or preload might be advantageous for fine-tuning the bearing’s internal play.
- Temperature and Environment:
Take into account the operating temperature range and environmental conditions of the application. Extreme temperatures or corrosive environments may require specific bearing materials or coatings.
- Lubrication:
Choose an appropriate lubricant based on the application’s speed, temperature, and load conditions. Proper lubrication ensures smooth operation, reduces friction, and prolongs the bearing’s lifespan.
- Cost and Budget:
Consider the budget allocated for bearings. High-precision or specialized bearings may come at a higher cost, but their performance benefits can outweigh the initial investment over the bearing’s service life.
- Application Type:
Identify the specific industry and application in which the bearing will be used. Tapered roller bearings are employed in various sectors, including automotive, heavy machinery, aerospace, and more.
- Expected Lifespan:
Estimate the required bearing lifespan for the application. Factors such as load, speed, and maintenance practices can impact the bearing’s longevity.
- Bearing Size and Design:
Choose a bearing size that fits within the application’s space constraints while providing the necessary load capacity. The design, including the number and arrangement of rollers, can influence load distribution and performance.
- Maintenance Requirements:
Consider the maintenance schedule and accessibility for bearing inspection and replacement. Bearings in applications with limited maintenance intervals may require enhanced durability.
In conclusion, selecting a tapered roller bearing for a specific application involves assessing load requirements, speed, precision, mounting, temperature, lubrication, cost, application type, expected lifespan, bearing size, and maintenance considerations. Careful evaluation of these factors ensures that the chosen bearing meets the demands of the application while providing reliable performance and longevity.
What are the Common Signs of Wear or Damage in Tapered Roller Bearings?
Identifying signs of wear or damage in tapered roller bearings is crucial for maintaining optimal performance and preventing costly failures. Here are the common signs to look for:
- Abnormal Noise:
Unusual noises, such as grinding, clicking, or rumbling sounds, may indicate damage within the bearing. These noises could result from worn rollers, raceways, or insufficient lubrication.
- Vibration:
Excessive vibration or unusual vibrations not typically present during operation may indicate an issue with the bearing. Vibration can result from misalignment, worn components, or uneven loading.
- Increased Operating Temperature:
If the bearing becomes excessively hot during operation, it could indicate inadequate lubrication, excessive friction, or other issues. Monitoring temperature changes can help identify potential problems.
- Irregular Rotation:
If the bearing experiences irregular rotation, such as sticking or rough movement, it could be due to damaged rollers, misalignment, or improper preload.
- Visible Wear:
Inspect the bearing for visible signs of wear or damage, such as pitting, scoring, discoloration, or deformation of the bearing components.
- Increased Noise or Vibration Under Load:
If the bearing makes more noise or vibrates noticeably when subjected to load, it could indicate that the bearing is unable to handle the applied load properly.
- Uneven Wear:
Uneven wear patterns on the rollers or raceways can suggest misalignment or inadequate lubrication, causing the bearing to experience uneven loading.
- Loss of Performance:
If the bearing’s performance decreases, such as reduced efficiency or increased friction, it may indicate wear, contamination, or other issues affecting the bearing’s operation.
- Looseness or Play:
If there’s excessive play or looseness in the bearing assembly, it could be a sign of worn components or inadequate preload, impacting the bearing’s stability and performance.
- Leaks or Contaminants:
Inspect for leaks of lubricant or the presence of contaminants around the bearing. Leaks can indicate seal damage, and contaminants can accelerate wear.
- Observable Damage to Components:
If any bearing components, such as rollers, cages, or raceways, appear visibly damaged or deformed, immediate attention is necessary to prevent further issues.
Regular inspection and maintenance are essential to catch these signs early and prevent further damage. Addressing wear or damage promptly can extend the bearing’s lifespan and avoid costly downtime.
What are the Common Signs of Wear or Damage in Tapered Roller Bearings?
Identifying signs of wear or damage in tapered roller bearings is crucial for maintaining optimal performance and preventing costly failures. Here are the common signs to look for:
- Abnormal Noise:
Unusual noises, such as grinding, clicking, or rumbling sounds, may indicate damage within the bearing. These noises could result from worn rollers, raceways, or insufficient lubrication.
- Vibration:
Excessive vibration or unusual vibrations not typically present during operation may indicate an issue with the bearing. Vibration can result from misalignment, worn components, or uneven loading.
- Increased Operating Temperature:
If the bearing becomes excessively hot during operation, it could indicate inadequate lubrication, excessive friction, or other issues. Monitoring temperature changes can help identify potential problems.
- Irregular Rotation:
If the bearing experiences irregular rotation, such as sticking or rough movement, it could be due to damaged rollers, misalignment, or improper preload.
- Visible Wear:
Inspect the bearing for visible signs of wear or damage, such as pitting, scoring, discoloration, or deformation of the bearing components.
- Increased Noise or Vibration Under Load:
If the bearing makes more noise or vibrates noticeably when subjected to load, it could indicate that the bearing is unable to handle the applied load properly.
- Uneven Wear:
Uneven wear patterns on the rollers or raceways can suggest misalignment or inadequate lubrication, causing the bearing to experience uneven loading.
- Loss of Performance:
If the bearing’s performance decreases, such as reduced efficiency or increased friction, it may indicate wear, contamination, or other issues affecting the bearing’s operation.
- Looseness or Play:
If there’s excessive play or looseness in the bearing assembly, it could be a sign of worn components or inadequate preload, impacting the bearing’s stability and performance.
- Leaks or Contaminants:
Inspect for leaks of lubricant or the presence of contaminants around the bearing. Leaks can indicate seal damage, and contaminants can accelerate wear.
- Observable Damage to Components:
If any bearing components, such as rollers, cages, or raceways, appear visibly damaged or deformed, immediate attention is necessary to prevent further issues.
Regular inspection and maintenance are essential to catch these signs early and prevent further damage. Addressing wear or damage promptly can extend the bearing’s lifespan and avoid costly downtime.
editor by CX 2024-05-07
China wholesaler China Double Steel Stainless Bearings Angular Contact Ball CZPT Bearing CZPT Beairng bearing and race
Product Description
Factory Price Gas Turbine Bearings Cylindrical Roller Bearing Nu207 Nu209 Nu211 E/M/Etn1
Product Description
Cylindrical Roller bearing is 1 of the rolling bearings, which is widely used in modern machinery.It relies on rolling contact between the main components to support the rotating parts.Roller bearings are now mostly standardized.Roller bearing has the advantages of small torque required for starting, high rotation accuracy and convenient selection.
| Product name | Cylindrical roller bearing |
| Material | Bearing Steel |
| Standard | DIN GB ISO JIS |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Service | OEM service provided |
| Delivery time | 3-10 days depends on quantity needed |
Characteristics:
Less friction and low noise, durable.
Ability to carry heavy loads
Less coefficient of friction.
High limiting speed.
Variations of structure:N,NU,NJ,NF,NUP,NFP,NH,NN,NNU,NNF,FC,FCD.
Physical Characteristics:
Cylindrical roller bearing can be separated by single row,double rows, and 4 rows.
This kind of bearing can be submitted to high radial load and some axial load.
The rolling element of a cylindrical roller bearing is cylinder, the 2 ends of the external lines have the corrective slope which can eliminate the contact stress.
NN and NNU design cylindrical roller bearing have high rigid and apply to machines such as milling
| diameter (mm) | Bearing Designation | Boundary Dimensions (mm) | Basic Load Ratings (N) | Limiting Speeds (rpm) | Weight (Kg) | ||||||
| Current Designation | d | D | B | rsmin | r1smin | Cr Dynamic | Cor Static | Grease | Oil | ||
| 16 | SZ-4101 | 16 | 44 | 8.3 | 15700 | 18000 | 0. 0571 1 | ||||
| 17 | N203 | 17 | 40 | 12 | 0.6 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.07800 |
| NJ203 | 17 | 40 | 12 | 0.7 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.06900 | |
| NJ203ETN1 | 17 | 40 | 12 | 0.6 | 0.6 | 16900 | 13800 | 16000 | 19000 | 0. 0571 8 | |
| NU203 | 17 | 40 | 12 | 0.6 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.07000 | |
| NU203ETN1 | 17 | 40 | 12 | 0.6 | 0.3 | 16900 | 13800 | 16000 | 19000 | 0.06654 | |
| NJ2203E | 17 | 40 | 16 | 0.6 | 0.3 | 22800 | 20300 | 13800 | 16400 | 0.09200 | |
| 20 | N204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.13300 |
| NF204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.11000 | |
| NJ204 | 20 | 47 | 14 | 1.1 | 0.7 | 17000 | 14400 | 13800 | 16400 | 0.14000 | |
| NU204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.13500 | |
| NU204/C3 | 20 | 47 | 14 | 1 | 0.6 | 14400 | 13100 | 13800 | 16400 | 0.10670 | |
| N304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.14470 | |
| NJ304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.15750 | |
| NU304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.15190 | |
| NUP304ETN1 | 20 | 52 | 15 | 1.1 | 0.6 | 31500 | 26800 | 10600 | 13100 | 0.15582 | |
| NJ2304ETN1 | 20 | 52 | 21 | 1.1 | 0.6 | 42000 | 38700 | 10000 | 13000 | 0.21267 | |
Our Advantages
1. World-Class Bearing:
We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings:
Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality:
The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery:
The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 3-10 days of payment being received.
3.Does your company have quality assurance?
Yes, for 2 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
Please feel free to contact us, if you have any other question
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Double |
| Outer Dimension: | Medium and Large(120-190mm) |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
How do rolling contact bearings perform in high-speed or high-load applications?
Rolling contact bearings are designed to perform effectively in high-speed and high-load applications. Their specific design features and characteristics allow them to withstand the demands and challenges associated with these conditions. Here’s a detailed explanation of how rolling contact bearings perform in high-speed or high-load applications:
- High-Speed Performance:
Rolling contact bearings are well-suited for high-speed applications due to their low friction characteristics. The rolling motion between the rolling elements and the raceways minimizes friction and heat generation, enabling smooth rotation at high speeds. The design of rolling contact bearings, including the selection of suitable materials and precision manufacturing, ensures the balance between load-carrying capacity and reduced friction at high speeds. As a result, these bearings can operate efficiently and reliably in applications such as electric motors, machine tools, turbochargers, and aerospace systems that require rapid and precise rotational motion.
- High-Load Capacity:
Rolling contact bearings are engineered to handle high loads and distribute them effectively. The rolling elements in the bearings, such as balls or rollers, distribute the applied loads over a larger contact area, reducing stress concentrations and preventing premature failure. The materials used in rolling contact bearings, such as high-grade steels and specialized alloys, provide the necessary strength and durability to withstand heavy loads. Additionally, the design of the bearing, including the number and size of the rolling elements, the geometry of the raceways, and the cage construction, is optimized to maximize load-carrying capacity. This enables rolling contact bearings to perform reliably in high-load applications, including heavy machinery, automotive drivetrains, construction equipment, and industrial processes.
- Lubrication for High-Speed and High-Load Conditions:
Lubrication is crucial for the performance of rolling contact bearings in high-speed or high-load applications. The lubricant helps reduce friction, dissipate heat, and prevent wear and damage to the bearing surfaces. For high-speed applications, specialized lubricants with low viscosity and high thermal stability are often used to ensure efficient lubrication and prevent excessive heat buildup. In high-load applications, lubrication plays a vital role in load distribution and reducing the risk of premature failure due to excessive stress. Proper lubrication selection and maintenance are essential to ensure optimal performance and longevity of rolling contact bearings under high-speed or high-load conditions.
- Preload and Stiffness:
In certain high-speed or high-load applications, rolling contact bearings may be preloaded to enhance their stiffness and improve their performance. Preload is a controlled axial force applied to the bearing that eliminates internal clearances and minimizes deflection under load. By applying preload, the rolling contact bearings can maintain their dimensional stability, minimize vibration, and enhance their ability to handle high-speed or high-load conditions. Preload is commonly utilized in precision machine tools, spindle bearings, and other applications where rotational accuracy and rigidity are critical.
In summary, rolling contact bearings perform exceptionally well in high-speed or high-load applications. They are designed to minimize friction, handle heavy loads, and maintain operational integrity under demanding conditions. Through their low friction characteristics, high-load capacity, appropriate lubrication, and potential use of preload, rolling contact bearings ensure reliable and efficient operation in various industries and applications requiring high-speed or high-load capabilities.
What are the eco-friendly or sustainable aspects of rolling contact bearing materials?
Rolling contact bearing materials can contribute to eco-friendliness and sustainability in several ways. Here’s a detailed explanation of the eco-friendly and sustainable aspects of rolling contact bearing materials:
- Recyclability:
Many rolling contact bearing materials, such as steel and certain types of alloys, are highly recyclable. At the end of their service life, bearings can be dismantled, and the materials can be recycled or reused. Recycling bearings helps reduce the demand for raw materials, conserves energy, and minimizes waste generation. By promoting a circular economy, the recyclability of bearing materials contributes to resource conservation and waste reduction.
- Energy Efficiency:
Rolling contact bearings play a crucial role in improving energy efficiency in various applications. By reducing friction and minimizing power losses, bearings help optimize the performance of machinery and equipment. When machines operate more efficiently, they consume less energy, leading to reduced greenhouse gas emissions and lower carbon footprints. The use of high-quality bearing materials, coatings, and lubricants further enhances energy efficiency by minimizing frictional losses.
- Long Service Life:
Rolling contact bearings are designed to have long service lives under normal operating conditions. Their ability to withstand heavy loads, resist wear, and operate reliably contributes to extended equipment lifetimes. By reducing the frequency of bearing replacements, industries can minimize material consumption, waste generation, and environmental impact associated with manufacturing and disposal processes. The longer service life of rolling contact bearings promotes sustainability by reducing resource consumption and improving equipment lifecycle management.
- Reduced Maintenance:
The use of high-quality rolling contact bearing materials can contribute to reduced maintenance requirements. Bearings that are resistant to wear, corrosion, and fatigue offer longer maintenance intervals, reducing the need for frequent inspections, replacements, and repairs. This not only saves time and labor but also reduces the consumption of maintenance-related resources such as lubricants and spare parts. The reduced maintenance needs of rolling contact bearings contribute to sustainable operations by optimizing resource utilization and minimizing maintenance-related waste.
- Environmental Compliance:
Rolling contact bearing materials are subject to various environmental regulations and standards. Manufacturers strive to comply with these regulations by ensuring that their materials are free from hazardous substances or restricted substances. Compliance with regulations such as the Restriction of Hazardous Substances (RoHS) directive helps prevent the use of environmentally harmful materials, reducing the potential environmental impact during the manufacturing, use, and disposal stages of rolling contact bearings.
Overall, rolling contact bearing materials offer several eco-friendly and sustainable aspects, including recyclability, energy efficiency, long service life, reduced maintenance requirements, and compliance with environmental regulations. These aspects contribute to resource conservation, waste reduction, energy savings, and minimized environmental impact throughout the lifecycle of rolling contact bearings.
How do rolling contact bearings contribute to reduced friction and improved efficiency in machinery?
Rolling contact bearings play a crucial role in reducing friction and improving the efficiency of machinery. They achieve this through several design features and operating characteristics. Here’s a detailed explanation of how rolling contact bearings contribute to reduced friction and improved efficiency:
- Rolling Motion:
Unlike sliding contact bearings, which rely on sliding friction between surfaces, rolling contact bearings utilize rolling motion between the rolling elements (balls or rollers) and the raceways. This rolling motion significantly reduces friction compared to sliding friction, resulting in lower energy losses and improved efficiency. The rolling contact between the elements and the raceways minimizes surface contact and allows smooth rotation with reduced frictional resistance.
- Lubrication:
Rolling contact bearings are typically lubricated with oils or greases to further reduce friction and wear. Lubricants form a thin film between the rolling elements and the raceways, providing a protective layer that separates the surfaces and minimizes direct metal-to-metal contact. This lubricating film reduces friction and dissipates heat generated during operation, contributing to smoother rotation and improved efficiency.
- Reduced Sliding Friction:
As mentioned earlier, rolling contact bearings rely on rolling motion rather than sliding friction. This design characteristic reduces the occurrence of sliding friction between the bearing components, resulting in lower frictional forces and decreased energy losses. The reduced sliding friction contributes to improved efficiency and can translate into energy savings in various machinery applications.
- Load Distribution:
Rolling contact bearings distribute loads more evenly compared to sliding contact bearings. The rolling elements in a bearing share the load and distribute it over a larger contact area, reducing localized stress and minimizing friction. This load distribution characteristic helps prevent excessive wear and prolongs the service life of the bearing. By maintaining efficient load distribution, rolling contact bearings contribute to improved efficiency and reliability in machinery.
- High-Speed Capability:
Rolling contact bearings are well-suited for high-speed applications due to their low friction characteristics. The rolling motion and reduced sliding friction allow these bearings to rotate at higher speeds with minimal heat generation. This high-speed capability is essential for various machinery, such as electric motors, machine tools, and automotive components, where efficient power transmission and rotational precision are critical for optimal performance and efficiency.
In summary, rolling contact bearings contribute to reduced friction and improved efficiency in machinery through their rolling motion, effective lubrication, reduced sliding friction, even load distribution, and high-speed capability. These design features and operating characteristics minimize energy losses, reduce wear, and enhance the overall performance and reliability of machinery in a wide range of industries.
editor by CX 2024-05-06
China best Sg055aro Chrome Steel CZPT Catalog Ultra Reali Slim Wall Roller Silverthin Ball Tapered Thrust Angular Contact Metric Sleeve Thin Section Bearings deep groove ball bearing
Product Description
KAA opening type 4.762mm(CP0/XP0/AR0
KAA571,KAA015,KAA017
KA opening type 6.35mm(CP0/XP0/AR0
KA571,KA571,KA030,KA035,KA040,KA042,
KA045,KA050,KA055,KA060,KA065,KA070,
KA075,KA080,KA090,KA100,KA110,KA120,
KA140,KA180,KA200
KB opening type 7.938mm(CP0/XP0/AR0
KB571,KB571,KB030,KB035,KB040,KB042,
KB045,KB050,KB055,KB060,KB065,KB070,
KB075,KB080,KB090,KB100,KB110,KB120,
KB140,KB180,KB200
KC opening 9.525mm(CP0/XP0/AR0
KC040,KC042,KC045,KC050,KC055,KC060,
KC065,KC070,KC075,KC080,KC090,KC100,
KC110,KC120,KC140,KC180,KC200
KD opening type 12.7mm(CP0/XP0/AR0
KD040,KD042,KD045,KD050,KD055,KD060,
KD065,KD070,KD075,KD080,KD090,KD100,
KD110,KD120,KD140,KD180,KD200
KF opening type 19.05mm(CP0/XP0/AR0
KF040,KF042,KF045,KF050,KF055,KF060,
KF065,KF070,KF075,KF080,KF090,KF100,
KF110,KF120,KF140,KF180,KF200
KG open 25.4mm(CP0/XP0/AR0
KG040,KG042,KG045,KG050,KG055,
KG060,KG065,KG070,KG075,KG080,
KG090,KG100,KG110,KG120,KG140,
KG180,KG200,KG250,KG300,KG400
JA seals 6.35mm(CP0/XP0/A
JHA571,JHA015,JA571,JA571,JA030,JA035,
JA040,JA042,JA045,JA050,JA055,JA060,JA065
JB seals 7.938mm(CP0/XP0/AR
JB571,JB571,JB030,JB035,JB040,JB042,
JB045,JB050,JB055,JB060,JB065
JU seals 12.7mm(CP0/XP0/AR
JU040,JU042,JU045,JU050,JU055,JU060,
JU065,JU070,JU075,JU080,JU090,JU100,
JU110,JU120
JG seals 25.4mm(CP0/XP0/AR0
JG120,JG140,JG160,JG180
5mm-360mm is 8mm,13mm,20mm
thick 8mm (CP0/XP0/
K57108,K05008,K06008,K07008,K08008,K09008,K10008,K11008,
K12008,K13008,K14008,K15008,K16008,K17008,K1K20008,K25008,K30008,K32008,K34008,K36 thick 13mm open (CP0/XP0/
K57113,K05013,K06013,K 0571 3,K08013,K 0571 3,K10013,K11013,
K12013,K13013,K14013,K15013,K16013,K17013,K18013,K19013,
K20013,K25013,K30013,K32013,K34013,K36013
T20mm(CP0/XP0/
K571hinck 20,K 0571 1,K06571,K5711,K 0571 1,K09571,K1571,K11571,
K12571,K13571,K14571,K15571,K16571,K17571,K18571,K19571,
K2571,K25571,K3571,K32571,K34571,K36571
thick 8mm Seals (CP0/XP0/ARO
J57108,J05008,J06008,J07008,J08008,J09008,J10008,J11008,
J12008,J13008,J14008,J15008,J16008,J1700
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | P0.P6.P5 |
|---|---|
| Cage Material: | Brass.Nylon Plastic Full Ball |
| Outer Ring: | Chrome Steel |
| Inner Ring: | Gcr15 |
| Weight: | 0.113kg |
| Structure: | Xpo Aro Cpo |
What Advantages do Tapered Roller Bearings Offer Compared to Other Bearing Types?
Tapered roller bearings offer several advantages that make them a preferred choice in various applications compared to other bearing types. These advantages stem from their unique design and capabilities. Here’s a look at the benefits of tapered roller bearings:
- High Load-Carrying Capacity:
Tapered roller bearings can handle both radial and axial loads simultaneously, making them suitable for applications with combined loads. Their conical geometry allows for effective load distribution, enabling them to support heavy loads without premature wear.
- Efficient Axial Load Handling:
Tapered roller bearings excel at managing axial (thrust) loads in one direction. This capability is crucial in applications where axial loads are present, such as automotive transmissions or industrial machinery.
- Reduced Friction and Heat Generation:
The conical shape of the rollers and the matching raceways result in point contact, reducing friction and minimizing heat generation. This efficiency contributes to improved overall performance and energy savings.
- Adjustable Clearance and Preload:
Tapered roller bearings often allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s play, optimizing performance and extending the bearing’s lifespan.
- High Precision:
Tapered roller bearings are available in various precision classes to meet different application requirements. Their precision makes them suitable for applications demanding accurate motion control and positioning.
- Versatility:
Tapered roller bearings are used in a wide range of industries and applications, from automotive and heavy machinery to aerospace and industrial equipment. Their ability to handle diverse loads and conditions contributes to their versatility.
- Durability:
Tapered roller bearings are designed to withstand shocks and impacts, making them suitable for applications with dynamic loads or vibrations. Their robust construction contributes to their overall durability.
- High-Speed Capability:
Tapered roller bearings can operate at high speeds due to their efficient contact geometry and reduced friction. This makes them suitable for applications requiring rapid rotation.
- Cost-Effectiveness:
While the initial cost may vary, tapered roller bearings are often cost-effective due to their long service life and ability to handle heavy loads. Their durability can lead to reduced maintenance and replacement costs over time.
- Compatibility with Combined Loads:
Tapered roller bearings are well-suited for applications where radial and axial loads occur simultaneously, eliminating the need for multiple bearing types and simplifying design and installation.
In summary, tapered roller bearings offer a combination of load-carrying capacity, efficiency, adjustability, precision, and versatility that sets them apart from other bearing types. Their ability to handle a variety of loads and conditions makes them an advantageous choice in numerous industrial applications.
What Factors should be Considered when Selecting a Tapered Roller Bearing for a Specific Application?
Choosing the right tapered roller bearing for a specific application involves considering various factors to ensure optimal performance and reliability. Here are the key factors to consider:
- Load Requirements:
Assess the types and magnitudes of both radial and axial loads the bearing will experience. Choose a tapered roller bearing with a load capacity that comfortably exceeds the expected loads to prevent premature wear or failure.
- Speed:
Determine the required rotational speed of the bearing. High-speed applications may require bearings designed for reduced friction and heat generation to maintain efficiency and avoid overheating.
- Precision and Tolerance:
Consider the level of precision required for the application. Tapered roller bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) grades, which impact factors like smoothness and accuracy of rotation.
- Mounting and Installation:
Assess the available space for mounting the bearing and consider the ease of installation. Bearings with adjustable clearance or preload might be advantageous for fine-tuning the bearing’s internal play.
- Temperature and Environment:
Take into account the operating temperature range and environmental conditions of the application. Extreme temperatures or corrosive environments may require specific bearing materials or coatings.
- Lubrication:
Choose an appropriate lubricant based on the application’s speed, temperature, and load conditions. Proper lubrication ensures smooth operation, reduces friction, and prolongs the bearing’s lifespan.
- Cost and Budget:
Consider the budget allocated for bearings. High-precision or specialized bearings may come at a higher cost, but their performance benefits can outweigh the initial investment over the bearing’s service life.
- Application Type:
Identify the specific industry and application in which the bearing will be used. Tapered roller bearings are employed in various sectors, including automotive, heavy machinery, aerospace, and more.
- Expected Lifespan:
Estimate the required bearing lifespan for the application. Factors such as load, speed, and maintenance practices can impact the bearing’s longevity.
- Bearing Size and Design:
Choose a bearing size that fits within the application’s space constraints while providing the necessary load capacity. The design, including the number and arrangement of rollers, can influence load distribution and performance.
- Maintenance Requirements:
Consider the maintenance schedule and accessibility for bearing inspection and replacement. Bearings in applications with limited maintenance intervals may require enhanced durability.
In conclusion, selecting a tapered roller bearing for a specific application involves assessing load requirements, speed, precision, mounting, temperature, lubrication, cost, application type, expected lifespan, bearing size, and maintenance considerations. Careful evaluation of these factors ensures that the chosen bearing meets the demands of the application while providing reliable performance and longevity.
What are Tapered Roller Bearings and How do They Function in Machinery?
Tapered roller bearings are a type of rolling element bearing designed to handle both radial and axial loads by providing a conical geometry. They consist of inner and outer rings, tapered rollers, and a cage that holds the rollers in place. Tapered roller bearings are commonly used in various machinery and equipment for their ability to support high radial and axial loads simultaneously. Here’s how they function in machinery:
- Geometry:
Tapered roller bearings have an inner ring with a conical surface and an outer ring with a matching conical surface. The rollers are also shaped like truncated cones. This geometry allows the rollers to make contact with both the inner and outer raceways at a common point on the bearing axis, distributing loads more effectively.
- Load Distribution:
The conical shape of tapered rollers enables them to handle both radial and axial loads. Radial loads are supported by the larger diameter of the rollers near the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance:
Tapered roller bearings often allow for adjustable clearance or preload. This feature permits fine-tuning of the bearing’s internal play to optimize performance, reduce friction, and prevent excessive wear.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings are commonly used in various machinery and equipment:
- Automotive Industry:
Tapered roller bearings are widely used in wheel hubs, transmissions, and differential systems in automobiles, where they handle radial and axial loads experienced during driving.
- Heavy Machinery:
In construction equipment, mining machinery, and industrial machinery, tapered roller bearings support heavy loads and shocks, making them suitable for applications like earthmoving and material handling.
- Aerospace:
Tapered roller bearings are used in aircraft landing gear, where they support both vertical and horizontal loads during takeoff, landing, and taxiing.
- Railways:
In trains, tapered roller bearings are used in wheelsets and axles to manage radial and axial loads that occur as the train moves along curves and straight tracks.
- Wind Energy:
Tapered roller bearings are employed in wind turbine gearboxes, where they handle the radial and axial loads associated with converting wind energy into electrical power.
- Installation:
Installation of tapered roller bearings often involves adjusting the internal clearance or preload to optimize performance. Proper lubrication is crucial to ensure smooth operation and longevity.
In summary, tapered roller bearings function by utilizing their conical geometry to support both radial and axial loads, making them versatile components in a wide range of machinery and equipment across various industries.
editor by CX 2024-05-02
China Hot selling Cheap Chrome Steel Angular Contact Ball Bearing 7005 deep groove ball bearing
Product Description
Product Description
Packaging & Shipping
Company Profile
Our Advantages
FAQ
Basic Info.
| Model NO. | 7311 | Separated | Separated |
| MOQ | 1PCS | Quality | Guaranteed |
| Mainly Market | America Europe Asia Africa | Serive | OEM |
| Stock | Rich Stocks | Feature | High Precision, Small Torque, Low Noise |
| Transport Package | Industrial Packing or as Per Requirement | Specification | 7311 |
| Trademark | FOS Bearing or OEM | Origin | YANDIAN, ZheJiang |
| HS Code | 8482200000 | Production Capacity | 7000PCS/Month |
Product Decription
Angular contact ball bearings mainly bear a large unidirectional axial load, the greater the contact Angle, the greater the load bearing capacity. The cage material is steel plate, brass or engineering plastic, and the forming method is stamping or turning, depending on the bearing form or use conditions. Others include combination angular contact ball bearings, double row angular contact ball bearings and four-point contact ball bearings.
Angular contact ball bearings can bear both radial and axial loads. Can work at higher rotational speeds. The larger the contact Angle, the higher the axial carrying capacity. High precision and high speed bearings usually take a 15 degree contact Angle. Under axial force, the contact Angle will increase. Single-row angular contact ball bearings can only bear axial load in 1 direction, and additional axial force will be caused when bearing radial load. And only limit the axial displacement of the shaft or housing in 1 direction. If it is installed in pairs, the outer rings of a pair of bearings are relative, that is, the wide end faces the wide end face and the narrow end faces the narrow end face. This avoids causing additional axial forces and allows the shaft or housing to be confined to axial clearance in both directions.
Product Series
More series of Roller bearing
Angular Contact Ball Bearing
| (r/min) | ||||||||
| Principal dimensions | Speed ratings | Basic load ratings | (kg) | |||||
| Bearing NO. | d | D | B | (kN) | (kN) | Mass | ||
| Grease | Oil | Dynamic | Static | |||||
| 7000AC | 10 | 26 | 8 | 19000 | 28000 | 4.75 | 2.12 | 0.018 |
| 7000C | 10 | 26 | 8 | 19000 | 28000 | 4.92 | 2.25 | 0.018 |
| 7001AC | 12 | 28 | 8 | 18000 | 26000 | 5.2 | 2.55 | 0.02 |
| 7001C | 12 | 28 | 8 | 18000 | 26000 | 5.42 | 2.65 | 0.02 |
| 7002AC | 15 | 32 | 9 | 17000 | 24000 | 5.95 | 3.25 | 0.571 |
| 7002C | 15 | 32 | 9 | 17000 | 24000 | 6.25 | 3.42 | 0.571 |
| 7003AC | 17 | 35 | 10 | 16000 | 22000 | 6.3 | 3.68 | 0.036 |
| 7003C | 17 | 35 | 10 | 16000 | 22000 | 6.6 | 3.85 | 0.036 |
| 7004AC | 20 | 42 | 12 | 14000 | 19000 | 10 | 5.78 | 0.064 |
| 7004C | 20 | 42 | 12 | 14000 | 19000 | 10.5 | 6.08 | 0.064 |
| 7005AC | 25 | 47 | 12 | 12000 | 17000 | 11.2 | 7.08 | 0.074 |
| 7005C | 25 | 47 | 12 | 12000 | 17000 | 11.5 | 7.45 | 0.074 |
| 7006AC | 30 | 55 | 13 | 9500 | 14000 | 14.5 | 9.85 | 0.11 |
| 7006C | 30 | 55 | 13 | 9500 | 14000 | 15.2 | 10.2 | 0.11 |
| 7007AC | 35 | 62 | 14 | 8500 | 12000 | 18.5 | 13.5 | 0.15 |
| 7008AC | 40 | 68 | 15 | 15000 | 21000 | 16 | 12.9 | 0.21 |
| 7009C | 45 | 75 | 16 | 14000 | 19000 | 19.87 | 16.36 | 0.24 |
| 7009AC | 45 | 75 | 16 | 14000 | 19000 | 19.87 | 16.36 | 0.24 |
| 7571C | 50 | 80 | 16 | 13000 | 17000 | 21 | 19 | 0.26 |
| 7571AC | 50 | 80 | 16 | 13000 | 17000 | 21 | 19 | 0.26 |
| 7011C | 55 | 90 | 18 | 12000 | 15000 | 26.1 | 22.6 | 0.36 |
| 7011AC | 55 | 90 | 18 | 12000 | 15000 | 26.1 | 22.6 | 0.36 |
| 7012C | 60 | 95 | 18 | 11000 | 14000 | 32.5 | 27 | 0.45 |
| 7012AC | 60 | 95 | 18 | 11000 | 14000 | 32.5 | 27 | 0.45 |
| 7013C | 65 | 100 | 18 | 9900 | 13000 | 35.2 | 30 | 0.5 |
| 7013AC | 65 | 100 | 18 | 9900 | 13000 | 35.2 | 30 | 0.5 |
| 7014C | 70 | 110 | 20 | 9200 | 12000 | 41.1 | 37.3 | 0.59 |
| 7014AC | 70 | 110 | 20 | 9200 | 12000 | 41.1 | 37.3 | 0.59 |
| 7015C | 75 | 115 | 20 | 8600 | 11000 | 42.5 | 40.7 | 0.69 |
| 7015AC | 75 | 115 | 20 | 8600 | 11000 | 42.5 | 40.7 | 0.69 |
| (r/min) | ||||||||
| Principal dimensions | Speed ratings | Basic load ratings | (kg) | |||||
| Bearing NO. | d | D | B | (kN) | (kN) | Mass | ||
| Grease | Oil | Dynamic | Static | |||||
| 7016C | 80 | 125 | 22 | 8000 | 11000 | 53.4 | 50.6 | 0.93 |
| 7016AC | 80 | 125 | 22 | 8000 | 11000 | 53.4 | 50.6 | 0.93 |
| 7017C | 85 | 130 | 22 | 7600 | 10000 | 54.6 | 53.7 | 0.95 |
| 7017AC | 85 | 130 | 22 | 7600 | 10000 | 54.6 | 53.7 | 0.95 |
| 7018C | 90 | 140 | 24 | 7100 | 9500 | 68.6 | 65.4 | 0.96 |
| 7018AC | 90 | 140 | 24 | 7100 | 9500 | 68.6 | 65.4 | 0.96 |
| 7019C | 95 | 145 | 24 | 6800 | 9000 | 73.5 | 73 | 1.17 |
| 7019AC | 95 | 145 | 24 | 6800 | 9000 | 73.5 | 73 | 1.17 |
| 7571C | 100 | 150 | 24 | 6400 | 8600 | 75.5 | 77 | 1.25 |
| 7571AC | 100 | 150 | 24 | 6400 | 8600 | 75.5 | 77 | 1.25 |
| 7571C | 105 | 160 | 26 | 6100 | 8100 | 88 | 89.5 | 1.53 |
| 7571AC | 105 | 160 | 26 | 6100 | 8100 | 88 | 89.5 | 1.53 |
| 7571C | 110 | 170 | 28 | 5800 | 7700 | 101 | 101 | 1.91 |
| 7571AC | 110 | 170 | 28 | 5800 | 7700 | 101 | 101 | 1.91 |
| 7571C | 120 | 180 | 28 | 5300 | 7100 | 103 | 108 | 2.04 |
| 7571AC | 120 | 180 | 28 | 5300 | 7100 | 103 | 108 | 2.04 |
| 7026C | 130 | 200 | 33 | 4900 | 6500 | 129 | 137 | 3.73 |
| 7026AC | 130 | 200 | 33 | 4900 | 6500 | 129 | 137 | 3.73 |
| 7571C | 140 | 210 | 33 | 4500 | 6000 | 132 | 145 | 3.96 |
| 7571AC | 140 | 210 | 33 | 4500 | 6000 | 132 | 145 | 3.96 |
| 7030C | 150 | 225 | 35 | 4200 | 5600 | 151 | 168 | 4.82 |
| 7030AC | 150 | 225 | 35 | 4200 | 5600 | 151 | 168 | 4.82 |
| 7200AC | 10 | 30 | 9 | 18000 | 26000 | 5.58 | 2.82 | 0.03 |
| 7200C | 10 | 30 | 9 | 18000 | 26000 | 5.82 | 2.95 | 0.03 |
| 7201AC | 12 | 32 | 10 | 17000 | 24000 | 7.1 | 3.35 | 0.035 |
| 7201C | 12 | 32 | 10 | 17000 | 24000 | 7.35 | 3.52 | 0.035 |
| 7202AC | 15 | 35 | 11 | 16000 | 22000 | 8.35 | 4.4 | 0.043 |
| 7202C | 15 | 35 | 11 | 16000 | 22000 | 8.68 | 4.62 | 0.043 |
| 7203AC | 17 | 40 | 12 | 15000 | 20000 | 10.5 | 5.65 | 0.062 |
| 7203C | 17 | 40 | 12 | 15000 | 20000 | 10.8 | 5.95 | 0.062 |
| (r/min) | ||||||||
| Principal dimensions | Speed ratings | Basic load ratings | (kg) | |||||
| Bearing NO. | d | D | B | (kN) | (kN) | Mass | ||
| Grease | Oil | Dynamic | Static | |||||
| 7204C | 20 | 47 | 14 | 25000 | 34000 | 15 | 8.6 | 0.1 |
| 7204AC | 20 | 47 | 14 | 25000 | 34000 | 15 | 8.6 | 0.1 |
| 7204B | 20 | 47 | 14 | 25000 | 34000 | 13.31 | 7.65 | 0.12 |
| 7205C | 25 | 52 | 15 | 21000 | 28000 | 16.2 | 10.3 | 0.13 |
| 7205AC | 25 | 52 | 15 | 21000 | 28000 | 16.2 | 10.3 | 0.13 |
| 7205B | 25 | 52 | 15 | 21000 | 28000 | 14.03 | 8.63 | 0.14 |
| 7206C | 30 | 62 | 16 | 18000 | 24000 | 16.94 | 12.14 | 0.2 |
| 7210C | 50 | 90 | 20 | 12000 | 15000 | 32.91 | 26.83 | 0.45 |
| 7210AC | 50 | 90 | 20 | 12000 | 15000 | 32.91 | 26.83 | 0.45 |
| 7211AC | 55 | 100 | 21 | 11000 | 14000 | 40.71 | 33.96 | 0.6 |
| 7212AC | 60 | 110 | 22 | 9700 | 13000 | 46.9 | 40.53 | 0.81 |
| 7213AC | 65 | 120 | 23 | 9000 | 12000 | 53.67 | 46.22 | 1.01 |
| 7214AC | 70 | 125 | 24 | 8300 | 11000 | 56.04 | 49.52 | 1.08 |
| 7215AC | 75 | 130 | 25 | 7800 | 10000 | 60.91 | 54.34 | 1.68 |
| 7216AC | 80 | 140 | 26 | 7300 | 9700 | 68.81 | 63.35 | 1.48 |
| 7217AC | 85 | 150 | 28 | 6900 | 9100 | 77.5 | 72.6 | 1.88 |
| 7218AC | 90 | 160 | 30 | 6500 | 8600 | 89.91 | 82.6 | 2.26 |
| 7219AC | 95 | 170 | 32 | 6100 | 8100 | 96.5 | 88.8 | 2.78 |
| 7220AC | 100 | 180 | 34 | 5800 | 7700 | 111.2 | 96.8 | 3.32 |
| 7221AC | 105 | 190 | 36 | 5500 | 7300 | 119.2 | 105.6 | 3.95 |
| 7222AC | 110 | 200 | 38 | 5200 | 6900 | 129.6 | 118.4 | 4.65 |
| 7224AC | 120 | 215 | 40 | 4800 | 6400 | 139.2 | 132.8 | 5.49 |
| 7226AC | 130 | 230 | 40 | 4400 | 5800 | 156.8 | 156.8 | 6.21 |
| 7228AC | 140 | 250 | 42 | 4000 | 5300 | 174.4 | 187.2 | 7.76 |
| 7230AC | 150 | 270 | 45 | 3700 | 5000 | 248 | 280 | 9.75 |
| 7232AC | 160 | 290 | 48 | 2400 | 2600 | 230 | 263 | 12.1 |
| 7234AC | 170 | 310 | 52 | 2400 | 2400 | 272 | 331 | 15.1 |
| 7236AC | 180 | 320 | 52 | 2200 | 2400 | 303 | 390 | 18.1 |
| 7238AC | 190 | 340 | 55 | 2000 | 2200 | 303 | 390 | 18.8 |
| 7240AC | 200 | 360 | 59 | 1800 | 2000 | 324 | 423 | 22.4 |
Production Process
Production Process
Inspection
Our Advantage
Package and shipment
Company Profile
HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.
Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation. Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted International standard design and manufacturing. Registered trademark “FOS” .
Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.
HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.
The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system, to prove satisfactory to our customers. Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.
Exhibitions
About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced products and service can meet your request.
Why choose us?
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS mix different standard bearings.
2. MOQ: 3000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks!
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can you Explain the Design and Construction of Tapered Roller Bearings?
The design and construction of tapered roller bearings are characterized by their conical geometry and specific components that enable them to handle radial and axial loads simultaneously. Here’s an overview of their design and construction:
- Components:
Tapered roller bearings consist of the following components:
- Inner Ring:
The inner ring has a conical raceway on its inner surface, which matches the conical shape of the rollers. It serves as the raceway for the rollers and provides support to the rotating assembly.
- Outer Ring:
The outer ring also features a conical raceway on its inner surface that complements the shape of the rollers. The outer ring provides a rigid structure to house the entire bearing assembly.
- Tapered Rollers:
The rollers have a conical shape with varying diameters along their length. This design allows the rollers to make point contact with the inner and outer raceways, distributing loads efficiently.
- Cage:
The cage or retainer holds the rollers in position, maintaining proper spacing and preventing them from coming into contact with each other. The cage material can vary, and its design may affect factors like friction and heat generation.
- Conical Geometry:
The distinguishing feature of tapered roller bearings is their conical geometry. The conical angle is defined by the contact angle between the roller axis and the bearing axis. This angle facilitates effective load distribution and axial load support.
- Load Distribution:
The conical shape of the rollers and raceways allows tapered roller bearings to handle both radial and axial loads. Radial loads are primarily supported by the larger diameter of the rollers at the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance and Preload:
Many tapered roller bearings allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s internal play, optimizing performance and minimizing friction.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings find applications in various industries, including automotive, heavy machinery, aerospace, and more. They are used in scenarios that require efficient load distribution and handling of combined loads.
In summary, tapered roller bearings are designed with conical geometry to accommodate both radial and axial loads. Their specific components, such as tapered rollers and a cage, work together to ensure effective load distribution, making them suitable for a wide range of industrial applications.
Can you Explain the Design and Construction of Tapered Roller Bearings?
The design and construction of tapered roller bearings are characterized by their conical geometry and specific components that enable them to handle radial and axial loads simultaneously. Here’s an overview of their design and construction:
- Components:
Tapered roller bearings consist of the following components:
- Inner Ring:
The inner ring has a conical raceway on its inner surface, which matches the conical shape of the rollers. It serves as the raceway for the rollers and provides support to the rotating assembly.
- Outer Ring:
The outer ring also features a conical raceway on its inner surface that complements the shape of the rollers. The outer ring provides a rigid structure to house the entire bearing assembly.
- Tapered Rollers:
The rollers have a conical shape with varying diameters along their length. This design allows the rollers to make point contact with the inner and outer raceways, distributing loads efficiently.
- Cage:
The cage or retainer holds the rollers in position, maintaining proper spacing and preventing them from coming into contact with each other. The cage material can vary, and its design may affect factors like friction and heat generation.
- Conical Geometry:
The distinguishing feature of tapered roller bearings is their conical geometry. The conical angle is defined by the contact angle between the roller axis and the bearing axis. This angle facilitates effective load distribution and axial load support.
- Load Distribution:
The conical shape of the rollers and raceways allows tapered roller bearings to handle both radial and axial loads. Radial loads are primarily supported by the larger diameter of the rollers at the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance and Preload:
Many tapered roller bearings allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s internal play, optimizing performance and minimizing friction.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings find applications in various industries, including automotive, heavy machinery, aerospace, and more. They are used in scenarios that require efficient load distribution and handling of combined loads.
In summary, tapered roller bearings are designed with conical geometry to accommodate both radial and axial loads. Their specific components, such as tapered rollers and a cage, work together to ensure effective load distribution, making them suitable for a wide range of industrial applications.
Can you Explain the Design and Construction of Tapered Roller Bearings?
The design and construction of tapered roller bearings are characterized by their conical geometry and specific components that enable them to handle radial and axial loads simultaneously. Here’s an overview of their design and construction:
- Components:
Tapered roller bearings consist of the following components:
- Inner Ring:
The inner ring has a conical raceway on its inner surface, which matches the conical shape of the rollers. It serves as the raceway for the rollers and provides support to the rotating assembly.
- Outer Ring:
The outer ring also features a conical raceway on its inner surface that complements the shape of the rollers. The outer ring provides a rigid structure to house the entire bearing assembly.
- Tapered Rollers:
The rollers have a conical shape with varying diameters along their length. This design allows the rollers to make point contact with the inner and outer raceways, distributing loads efficiently.
- Cage:
The cage or retainer holds the rollers in position, maintaining proper spacing and preventing them from coming into contact with each other. The cage material can vary, and its design may affect factors like friction and heat generation.
- Conical Geometry:
The distinguishing feature of tapered roller bearings is their conical geometry. The conical angle is defined by the contact angle between the roller axis and the bearing axis. This angle facilitates effective load distribution and axial load support.
- Load Distribution:
The conical shape of the rollers and raceways allows tapered roller bearings to handle both radial and axial loads. Radial loads are primarily supported by the larger diameter of the rollers at the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance and Preload:
Many tapered roller bearings allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s internal play, optimizing performance and minimizing friction.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings find applications in various industries, including automotive, heavy machinery, aerospace, and more. They are used in scenarios that require efficient load distribution and handling of combined loads.
In summary, tapered roller bearings are designed with conical geometry to accommodate both radial and axial loads. Their specific components, such as tapered rollers and a cage, work together to ensure effective load distribution, making them suitable for a wide range of industrial applications.
editor by CX 2024-04-24
China manufacturer Kg400xpo Chrome Steel CZPT Catalog Ultra Reali Slim Wall Roller Silverthin Ball Tapered Thrust Angular Contact Metric Sleeve Thin Bearing bearing block
Product Description
JA035CP0 Thin Section sealed Ball Bearing with a 1/4″ cross section width, JA035CP0 bearing is a popular item that could be used in many applications, the dimensions are 3 1/2″ x 4″ x 1/4″ inch, JA035CP0 bearing has Brass balls retainer, JA035CP0 bearing is oil preserved.Item: JA035CP0 Ball BearingType: Deep groove Radial Ball BearingMaterial: Chrome SteelBrand: Cage: BrassClosures: OpenDimensions: 3 1/2″ x 4″ x 1/4″ inchID (inner diameter)/Bore: 3 1/2″ inchOD (outer diameter): 4″ inchWidth/Height/thickness: 1/4″ inchSize: 3.5″ x 4″ x 0.25″Cross Section: 1/4″ inchDynamic load rating: 2095 NStatic load rating: 5836 NQuantity: One BearingKAA opening type 4.762mm(CP0/XP0/AR0
KAA571,KAA015,KAA017
KA opening type 6.35mm(CP0/XP0/AR0
KA571,KA571,KA030,KA035,KA040,KA042,
KA045,KA050,KA055,KA060,KA065,KA070,
KA075,KA080,KA090,KA100,KA110,KA120,
KA140,KA180,KA200
KB opening type 7.938mm(CP0/XP0/AR0
KB571,KB571,KB030,KB035,KB040,KB042,
KB045,KB050,KB055,KB060,KB065,KB070,
KB075,KB080,KB090,KB100,KB110,KB120,
KB140,KB180,KB200
KC opening 9.525mm(CP0/XP0/AR0
KC040,KC042,KC045,KC050,KC055,KC060,
KC065,KC070,KC075,KC080,KC090,KC100,
KC110,KC120,KC140,KC180,KC200
KD opening type 12.7mm(CP0/XP0/AR0
KD040,KD042,KD045,KD050,KD055,KD060,
KD065,KD070,KD075,KD080,KD090,KD100,
KD110,KD120,KD140,KD180,KD200
KF opening type 19.05mm(CP0/XP0/AR0
KF040,KF042,KF045,KF050,KF055,KF060,
KF065,KF070,KF075,KF080,KF090,KF100,
KF110,KF120,KF140,KF180,KF200
KG open 25.4mm(CP0/XP0/AR0
KG040,KG042,KG045,KG050,KG055,
KG060,KG065,KG070,KG075,KG080,
KG090,KG100,KG110,KG120,KG140,
KG180,KG200,KG250,KG300,KG400
JA seals 6.35mm(CP0/XP0/A
JHA571,JHA015,JA571,JA571,JA030,JA035,
JA040,JA042,JA045,JA050,JA055,JA060,JA065
JB seals 7.938mm(CP0/XP0/AR
JB571,JB571,JB030,JB035,JB040,JB042,
JB045,JB050,JB055,JB060,JB065
JU seals 12.7mm(CP0/XP0/AR
JU040,JU042,JU045,JU050,JU055,JU060,
JU065,JU070,JU075,JU080,JU090,JU100,
JU110,JU120
JG seals 25.4mm(CP0/XP0/AR0
JG120,JG140,JG160,JG180
5mm-360mm is 8mm,13mm,20mm
thick 8mm (CP0/XP0/
K57108,K05008,K06008,K07008,K08008,K09008,K10008,K11008,
K12008,K13008,K14008,K15008,K16008,K17008,K1K20008,K25008,K30008,K32008,K34008,K36 thick 13mm open (CP0/XP0/
K57113,K05013,K06013,K 0571 3,K08013,K 0571 3,K10013,K11013,
K12013,K13013,K14013,K15013,K16013,K17013,K18013,K19013,
K20013,K25013,K30013,K32013,K34013,K36013
T20mm(CP0/XP0/
K571hinck 20,K 0571 1,K06571,K5711,K 0571 1,K09571,K1571,K11571,
K12571,K13571,K14571,K15571,K16571,K17571,K18571,K19571,
K2571,K25571,K3571,K32571,K34571,K36571
thick 8mm Seals (CP0/XP0/ARO
J57108,J05008,J06008,J07008,J08008,J09008,J10008,J11008,
J12008,J13008,J14008,J15008,J16008,J1700
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | P0.P6.P5 |
|---|---|
| Cage Material: | Brass.Nylon Plastic Full Ball |
| Outer Ring: | Chrome Steel |
| Inner Ring: | Gcr15 |
| Weight: | 13.971kg |
| Contact Angle: | 25° |
What Factors should be Considered when Selecting a Tapered Roller Bearing for a Specific Application?
Choosing the right tapered roller bearing for a specific application involves considering various factors to ensure optimal performance and reliability. Here are the key factors to consider:
- Load Requirements:
Assess the types and magnitudes of both radial and axial loads the bearing will experience. Choose a tapered roller bearing with a load capacity that comfortably exceeds the expected loads to prevent premature wear or failure.
- Speed:
Determine the required rotational speed of the bearing. High-speed applications may require bearings designed for reduced friction and heat generation to maintain efficiency and avoid overheating.
- Precision and Tolerance:
Consider the level of precision required for the application. Tapered roller bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) grades, which impact factors like smoothness and accuracy of rotation.
- Mounting and Installation:
Assess the available space for mounting the bearing and consider the ease of installation. Bearings with adjustable clearance or preload might be advantageous for fine-tuning the bearing’s internal play.
- Temperature and Environment:
Take into account the operating temperature range and environmental conditions of the application. Extreme temperatures or corrosive environments may require specific bearing materials or coatings.
- Lubrication:
Choose an appropriate lubricant based on the application’s speed, temperature, and load conditions. Proper lubrication ensures smooth operation, reduces friction, and prolongs the bearing’s lifespan.
- Cost and Budget:
Consider the budget allocated for bearings. High-precision or specialized bearings may come at a higher cost, but their performance benefits can outweigh the initial investment over the bearing’s service life.
- Application Type:
Identify the specific industry and application in which the bearing will be used. Tapered roller bearings are employed in various sectors, including automotive, heavy machinery, aerospace, and more.
- Expected Lifespan:
Estimate the required bearing lifespan for the application. Factors such as load, speed, and maintenance practices can impact the bearing’s longevity.
- Bearing Size and Design:
Choose a bearing size that fits within the application’s space constraints while providing the necessary load capacity. The design, including the number and arrangement of rollers, can influence load distribution and performance.
- Maintenance Requirements:
Consider the maintenance schedule and accessibility for bearing inspection and replacement. Bearings in applications with limited maintenance intervals may require enhanced durability.
In conclusion, selecting a tapered roller bearing for a specific application involves assessing load requirements, speed, precision, mounting, temperature, lubrication, cost, application type, expected lifespan, bearing size, and maintenance considerations. Careful evaluation of these factors ensures that the chosen bearing meets the demands of the application while providing reliable performance and longevity.
What are Tapered Roller Bearings and How do They Function in Machinery?
Tapered roller bearings are a type of rolling element bearing designed to handle both radial and axial loads by providing a conical geometry. They consist of inner and outer rings, tapered rollers, and a cage that holds the rollers in place. Tapered roller bearings are commonly used in various machinery and equipment for their ability to support high radial and axial loads simultaneously. Here’s how they function in machinery:
- Geometry:
Tapered roller bearings have an inner ring with a conical surface and an outer ring with a matching conical surface. The rollers are also shaped like truncated cones. This geometry allows the rollers to make contact with both the inner and outer raceways at a common point on the bearing axis, distributing loads more effectively.
- Load Distribution:
The conical shape of tapered rollers enables them to handle both radial and axial loads. Radial loads are supported by the larger diameter of the rollers near the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance:
Tapered roller bearings often allow for adjustable clearance or preload. This feature permits fine-tuning of the bearing’s internal play to optimize performance, reduce friction, and prevent excessive wear.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings are commonly used in various machinery and equipment:
- Automotive Industry:
Tapered roller bearings are widely used in wheel hubs, transmissions, and differential systems in automobiles, where they handle radial and axial loads experienced during driving.
- Heavy Machinery:
In construction equipment, mining machinery, and industrial machinery, tapered roller bearings support heavy loads and shocks, making them suitable for applications like earthmoving and material handling.
- Aerospace:
Tapered roller bearings are used in aircraft landing gear, where they support both vertical and horizontal loads during takeoff, landing, and taxiing.
- Railways:
In trains, tapered roller bearings are used in wheelsets and axles to manage radial and axial loads that occur as the train moves along curves and straight tracks.
- Wind Energy:
Tapered roller bearings are employed in wind turbine gearboxes, where they handle the radial and axial loads associated with converting wind energy into electrical power.
- Installation:
Installation of tapered roller bearings often involves adjusting the internal clearance or preload to optimize performance. Proper lubrication is crucial to ensure smooth operation and longevity.
In summary, tapered roller bearings function by utilizing their conical geometry to support both radial and axial loads, making them versatile components in a wide range of machinery and equipment across various industries.
Can you Explain the Design and Construction of Tapered Roller Bearings?
The design and construction of tapered roller bearings are characterized by their conical geometry and specific components that enable them to handle radial and axial loads simultaneously. Here’s an overview of their design and construction:
- Components:
Tapered roller bearings consist of the following components:
- Inner Ring:
The inner ring has a conical raceway on its inner surface, which matches the conical shape of the rollers. It serves as the raceway for the rollers and provides support to the rotating assembly.
- Outer Ring:
The outer ring also features a conical raceway on its inner surface that complements the shape of the rollers. The outer ring provides a rigid structure to house the entire bearing assembly.
- Tapered Rollers:
The rollers have a conical shape with varying diameters along their length. This design allows the rollers to make point contact with the inner and outer raceways, distributing loads efficiently.
- Cage:
The cage or retainer holds the rollers in position, maintaining proper spacing and preventing them from coming into contact with each other. The cage material can vary, and its design may affect factors like friction and heat generation.
- Conical Geometry:
The distinguishing feature of tapered roller bearings is their conical geometry. The conical angle is defined by the contact angle between the roller axis and the bearing axis. This angle facilitates effective load distribution and axial load support.
- Load Distribution:
The conical shape of the rollers and raceways allows tapered roller bearings to handle both radial and axial loads. Radial loads are primarily supported by the larger diameter of the rollers at the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance and Preload:
Many tapered roller bearings allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s internal play, optimizing performance and minimizing friction.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings find applications in various industries, including automotive, heavy machinery, aerospace, and more. They are used in scenarios that require efficient load distribution and handling of combined loads.
In summary, tapered roller bearings are designed with conical geometry to accommodate both radial and axial loads. Their specific components, such as tapered rollers and a cage, work together to ensure effective load distribution, making them suitable for a wide range of industrial applications.
editor by CX 2024-04-17
China Custom Super Precision Chrome Steel High Temperature Resistance CZPT Brand Qj334n2ma Four Point Ball Bearing for Motors bearing and race
Product Description
Super Precision Chrome Steel High Temperature Resistance CZPT Brand Qj334n2ma Four Point Ball Bearing for Motors
Four Point Contact Ball Bearing
Four point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads in both directions. For a given axial load, a limited radial load can also be supported (Load ratio). The bearings are separable, i.e. the outer ring with ball and cage assembly can be mounted separately from the 2 inner ring halves.
Features and Benefits
-Accommodates axial loads in both directions
-Less axial space
These bearings take up considerably less axial space than double row bearings.
-High load carrying capacity
A large number of balls are incorporated, giving the bearing its high load carrying capacity.
-Separable design
The split inner ring leads to easier mounting and dismounting of the bearing.
-Improved oil flow
Limited inner ring deformation when subjected to high clamping forces
Applications
Angular contact bearings are commonly used in gearboxes, pumps, electric motors, and clutches and other high-speed applications. Bearings having larger contact angles can support larger axial loads, and the contact angle does not usually exceed about 40 degrees.
| Product Name | Four Point Contact Ball Bearing QJ334N2MA |
| Brand Name | KHRD |
| Seals Type | OPEN/2Z/2RS/Z/RS |
| Material | Chrome Steel ,Stainless steel,Ceramic,Nylon |
| Clearance | C0,C2,C3,C4,C5 |
| Precision Grade | P0,P6,P5,P4,P2(ABEC1, ABEC3, ABEC5, ABEC7, ABEC9) |
| Greese | SRL ,PS2, Alvania R12 ,etc |
| Number of Row | Single Row/Double Row |
| Certifications | ISO 9001 |
| Package | Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement |
| MOQ | 1PCS |
| Serice | OEM |
| Sample | Available |
| Payment Term | TT or PayPal |
| Port | HangZhou/HangZhou/ZheJiang |
Q: Are you a trading company or a manufacturer ?
A: We are a manufacturer more than 16 years with professional skill.
Q:Do you provide samples ? Are they free or extra ?
A:Yes, we could offer the sample, while could you pay for the freight?
Q:What kind of freight will you use?
A:Shipment, FedEx, TNT, DHL, UPS and EMS etc.
Q:Could you make bearings with our OEM logo,color and packing?
A: Of course. Please inform us your brand logo,color and packing.
Q: How long is your delivery time?
A: Generally it will be 3-7 days if the goods are in stock; while it will be 15-30 days if the goods are not in stock, which is according to your quantity.
Q: Will you check these products before shipment?
A: Yes, products will be strictly inspected by our own professional QC Process System before shipment.
Q: What’s the Payment Terms ?
A: Usually we accept T/T ,western union ,and order online.
If you want to know more details, please contact us. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0.5/Set
1 Set(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Can you explain the installation and alignment considerations for rolling contact bearings?
Proper installation and alignment are crucial for the optimal performance and longevity of rolling contact bearings. Incorrect installation or misalignment can lead to premature wear, increased friction, reduced load-carrying capacity, and potential bearing failure. Here’s a detailed explanation of the installation and alignment considerations for rolling contact bearings:
- Clean and Proper Workspace:
Before installing rolling contact bearings, it is essential to ensure a clean and suitable workspace. The work area should be free from dirt, dust, debris, and contaminants that could enter the bearing during installation. Contamination can cause damage to the bearing surfaces and compromise its performance. Additionally, the workspace should have appropriate tools and equipment to facilitate the installation process, including bearing pullers, mounting tools, and measurement instruments.
- Handling and Storage:
Rolling contact bearings should be handled with care to prevent damage to the bearing surfaces. They should be stored in a clean and dry environment, protected from moisture, dust, and extreme temperatures. During handling, it is important to avoid dropping or impacting the bearings, as this can cause surface damage or internal defects. Proper handling and storage practices help maintain the integrity of the bearings and ensure their performance during installation.
- Shaft and Housing Preparation:
Prior to installing the rolling contact bearings, the shaft and housing surfaces must be prepared appropriately. The shaft and housing should be clean, free from burrs, and have the correct dimensions and tolerances specified by the bearing manufacturer. Any roughness or irregularities on the shaft or housing can affect the fit and alignment of the bearing, leading to performance issues. It may be necessary to use appropriate tools, such as emery cloth or a deburring tool, to smooth the surfaces and ensure proper fitment.
- Bearing Mounting:
When mounting rolling contact bearings, it is essential to follow the manufacturer’s recommended procedures and guidelines. This includes using the appropriate mounting tools and techniques to apply the necessary axial or radial force evenly during installation. Overloading or uneven force application can lead to bearing damage or misalignment. Proper mounting techniques may involve using a press, heat, or specialized mounting tools to ensure the bearing is seated securely and accurately on the shaft or in the housing.
- Alignment:
Accurate alignment of rolling contact bearings is critical for their optimal performance. Misalignment can cause increased friction, premature wear, and reduced load-carrying capacity. It is important to align the bearing with respect to the shaft and housing to ensure proper concentricity and parallelism. Alignment methods may include visual alignment, feeler gauges, dial indicators, laser alignment systems, or other precision alignment tools. The specific alignment requirements may vary depending on the bearing type, application, and manufacturer recommendations.
- Lubrication:
Proper lubrication is essential during the installation of rolling contact bearings. The bearing manufacturer’s recommendations should be followed regarding the type, quantity, and method of lubrication. Lubrication helps reduce friction, dissipate heat, and protect against wear and corrosion. It is important to ensure that the bearing is adequately lubricated during installation to facilitate smooth operation and prevent damage.
- Verification and Testing:
After installation, it is recommended to verify the proper fitment, alignment, and operation of the rolling contact bearings. This may involve checking the axial and radial clearances, measuring runout, and performing functional tests to ensure smooth rotation and proper load distribution. Verification and testing help confirm the successful installation and identify any potential issues that may require adjustment or corrective action.
In summary, proper installation and alignment considerations are essential for the optimal performance and longevity of rolling contact bearings. Following recommended procedures, handling the bearings carefully, preparing the shaft and housing surfaces, ensuring accurate alignment, and providing appropriate lubrication contribute to the successful installation and reliable operation of rolling contact bearings in various applications.
How do rolling contact bearings enhance the overall efficiency and functionality of machinery and equipment?
Rolling contact bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. Here’s a detailed explanation of how rolling contact bearings contribute to improved efficiency and functionality:
- Reduced Friction:
Rolling contact bearings are designed to minimize friction between moving parts. They consist of rolling elements, such as balls or rollers, that reduce the contact surface area and enable rolling motion. This rolling action results in lower friction compared to sliding contact, allowing machinery to operate with reduced energy consumption. By reducing frictional losses, rolling contact bearings help optimize the efficiency of machinery and equipment.
- Load Distribution:
Rolling contact bearings distribute loads evenly across their rolling elements. This load distribution capability ensures that the forces acting on the machinery are spread out and shared by multiple bearing points. By distributing the load, rolling contact bearings help prevent excessive stress on individual components and minimize the risk of premature failure. This improves the overall functionality and reliability of machinery, allowing it to operate under heavy loads without compromising performance.
- High-Speed Capability:
Rolling contact bearings are designed to operate at high speeds. The rolling elements and raceways are precisely engineered to minimize the centrifugal forces and minimize frictional heat generation. This allows machinery and equipment to achieve higher rotational speeds without compromising performance or reliability. The high-speed capability of rolling contact bearings is particularly advantageous in applications such as automotive engines, turbines, machine tools, and high-speed manufacturing processes.
- Reduced Vibration and Noise:
Rolling contact bearings help reduce vibration and noise in machinery and equipment. The rolling action of the bearing elements minimizes friction-induced vibrations, resulting in smoother operation. Additionally, well-designed and properly lubricated rolling contact bearings dampen vibrations caused by external forces or imbalances in rotating parts. By reducing vibration and noise levels, rolling contact bearings contribute to a quieter and more comfortable working environment, as well as improved accuracy and precision in equipment that requires high levels of stability.
- Versatility and Flexibility:
Rolling contact bearings offer versatility and flexibility in machinery design. They come in various types and configurations, such as deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings, and tapered roller bearings, each suited for specific applications and load conditions. The availability of different bearing sizes and designs allows engineers and designers to select the most appropriate bearing for their specific machinery requirements. This versatility and flexibility enable the optimization of machinery performance and functionality.
- Compact Design:
Rolling contact bearings enable compact and space-saving machinery designs. Their ability to handle high loads while occupying minimal space allows for the creation of more compact equipment. This is particularly beneficial in applications where space is limited, such as automotive, aerospace, and portable devices. The compact design made possible by rolling contact bearings enhances the overall functionality and efficiency of machinery by maximizing the use of available space.
In summary, rolling contact bearings enhance the overall efficiency and functionality of machinery and equipment through reduced friction, load distribution, high-speed capability, vibration and noise reduction, versatility and flexibility in design, and compactness. By optimizing the performance of rotating components, rolling contact bearings contribute to improved energy efficiency, reliability, precision, and longevity of machinery and equipment in various industries.
Can you describe the load-carrying capacity and load ratings of rolling contact bearings?
Rolling contact bearings are designed to carry various types of loads in mechanical systems. The load-carrying capacity and load ratings of rolling contact bearings play a crucial role in determining their suitability for specific applications. Here’s a detailed explanation of these concepts:
- Load-Carrying Capacity:
The load-carrying capacity of a rolling contact bearing refers to its ability to support and distribute loads without excessive deformation or failure. It is influenced by factors such as the bearing’s design, material properties, and operating conditions. Rolling contact bearings are primarily designed to carry two types of loads:
- Radial Loads: Radial loads act perpendicular to the axis of rotation and are supported by the bearing’s raceways. Radial loads can arise from the weight of the shaft, centrifugal forces, or external forces applied to the bearing. The load-carrying capacity for radial loads is typically specified by the maximum radial load the bearing can withstand without suffering permanent deformation or reduced performance.
- Axial Loads: Axial loads act parallel to the axis of rotation and are supported by the bearing’s configuration, such as the arrangement of the rolling elements or the presence of thrust surfaces. Axial loads can arise from forces that push or pull along the axis of rotation. The load-carrying capacity for axial loads is typically specified by the maximum axial load the bearing can withstand without experiencing excessive wear or reduced performance.
It’s important to note that the load-carrying capacity of a rolling contact bearing is influenced by factors such as rotational speed, lubrication, temperature, and operating conditions. These factors can affect the performance and durability of the bearing under different load conditions.
- Load Ratings:
Load ratings provide standardized values that indicate the maximum permissible loads a rolling contact bearing can carry under specific operating conditions. These ratings help engineers and designers select bearings that can withstand the expected loads in a given application. The two primary load ratings specified for rolling contact bearings are:
- Dynamic Load Rating: The dynamic load rating (C) represents the maximum load that a bearing can carry for a specified number of revolutions or operating hours without developing excessive wear or fatigue. It is based on the bearing’s ability to withstand rolling contact fatigue, which is the most common mode of failure in rolling contact bearings. The dynamic load rating is typically provided by the bearing manufacturer and is expressed in units of force (such as Newtons or pounds-force).
- Static Load Rating: The static load rating (Co) indicates the maximum load that a bearing can withstand without permanent deformation when the bearing is stationary or subjected to very slow rotational speeds. It represents the load capacity of the bearing under static or slowly changing loads. Similar to the dynamic load rating, the static load rating is also provided by the bearing manufacturer and expressed in units of force.
It’s important to consider both the dynamic and static load ratings when selecting a rolling contact bearing for an application. The dynamic load rating is crucial for assessing the bearing’s ability to withstand the varying loads during operation, while the static load rating provides information about the bearing’s resistance to deformation under stationary or slow-speed conditions.
By considering the load-carrying capacity and load ratings of rolling contact bearings, engineers can choose the appropriate bearing type and size to ensure reliable and efficient operation in their specific applications.
editor by CX 2024-04-16
China wholesaler Chrome Steel Industrial Machinery 7417 7418 7432 Angular Contact Ball Bearings bearing driver kit
Product Description
|
Product Name |
|
|
Material |
Chrome Steel GCR15 |
|
Product Type |
Angular contact ball bearing |
|
accuracy |
P0 P2 P4 P5 P6 |
|
Customer quality assurance |
Warranty for 1 year |
|
application program |
Machine tool spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, repair welding machine, low noise type cooling tower, mechanical and electrical equipment, painting equipment, machine tool slot plate, arc welding machine |
|
Quality |
100% Inspection |
|
Brand |
DMC |
|
Packing |
According to the buyer requests for packaging |
| Mod. No. | d | D | Height | Cr | Cor | Grease | Oil | Weight |
| (mm) | (mm) | (mm) | (kN) | (kN) | (r/min) | (r/min) | (kg) | |
| 7571C | 50 | 80 | 16 | 26 | 21.9 | 13000 | 17000 | 0.29 |
| 7571AC | 50 | 80 | 16 | 23.6 | 20.1 | 9200 | 11000 | 0.29 |
| 7210C | 50 | 90 | 20 | 42.8 | 31.8 | 12000 | 16000 | 0.485 |
| 7210AC | 50 | 90 | 20 | 39.4 | 41.3 | 8500 | 11000 | 0.485 |
| 7210B | 50 | 90 | 20 | 37.535.7 | 26.7 | 6400 | 8500 | 0.485 |
| 7310B | 50 | 110 | 27 | 64.4 | 44.3 | 5500 | 7300 | 1.14 |
| 7410B | 50 | 130 | 31 | 90.2 | 60.4 | 4400 | 6000 | 1.92 |
| 7011C | 55 | 90 | 18 | 34.1 | 28.6 | 11000 | 15000 | 0.42 |
| 7011AC | 55 | 90 | 18 | 31.1 | 26.3 | 8300 | 10000 | 0.42 |
| 7211C | 55 | 100 | 21 | 52.9 | 40.2 | 11000 | 14000 | 0.635 |
| 7211AC | 55 | 100 | 21 | 48.7 | 37.1 | 7600 | 9500 | 0.635 |
| 7211B | 55 | 100 | 21 | 44.1 | 33.8 | 5700 | 7600 | 0.635 |
| 7311B | 55 | 120 | 29 | 74.3 | 52 | 5000 | 6700 | 1.45 |
| 7012C | 60 | 95 | 18 | 35 | 30.6 | 11000 | 14000 | 0.45 |
| 7012AC | 60 | 95 | 18 | 31.9 | 28.1 | 7700 | 9700 | 0.45 |
| 7212C | 60 | 110 | 22 | 64 | 49.5 | 9500 | 13000 | 0.82 |
| 7212AC | 60 | 110 | 22 | 58.9 | 45.7 | 6900 | 8600 | 0.82 |
| 7212B | 60 | 110 | 22 | 53.4 | 41.6 | 5100 | 6900 | 0.82 |
| 7312B | 60 | 130 | 31 | 84.9 | 60.3 | 4600 | 6200 | 1.81 |
| 7412B | 60 | 150 | 35 | 119 | 86.7 | 3700 | 5100 | 2.85 |
| 7013C | 65 | 100 | 18 | 37.1 | 34.3 | 10000 | 13000 | 0.47 |
| 7013AC | 65 | 100 | 18 | 33.7 | 31.4 | 7200 | 9000 | 0.47 |
| 7213C | 65 | 120 | 23 | 73.1 | 58.7 | 8900 | 12000 | 1.02 |
| 7213AC | 65 | 120 | 23 | 67.3 | 54.2 | 6400 | 8000 | 1.02 |
| 7213B | 65 | 120 | 23 | 60.9 | 49.3 | 4800 | 6400 | 1.02 |
| 7313B | 65 | 140 | 33 | 96.1 | 69.3 | 4300 | 5800 | 2.22 |
| 7014C | 70 | 110 | 20 | 46.9 | 43 | 9200 | 12000 | 0.66 |
| 7014AC | 70 | 110 | 20 | 42.7 | 39.4 | 6600 | 8300 | 0.66 |
| 7214C | 70 | 125 | 24 | 75.9 | 60.2 | 8400 | 11000 | 1.12 |
| 7214AC | 70 | 125 | 24 | 69.8 | 55.6 | 6100 | 7600 | 1.12 |
| 7214B | 70 | 125 | 24 | 63.2 | 50.6 | 4600 | 6100 | 1.12 |
| 7314B | 70 | 150 | 35 | 108 | 78.9 | 4000 | 5400 | 2.7 |
| 7015C | 75 | 115 | 20 | 48 | 45.6 | 8700 | 11000 | 0.69 |
| 7015AC | 75 | 115 | 20 | 43.6 | 41.7 | 6300 | 7800 | 0.69 |
| 7215C | 75 | 130 | 25 | 86.1 | 70.6 | 8000 | 11000 | 1.23 |
| 7215AC | 75 | 130 | 25 | 79.2 | 65.2 | 5800 | 7200 | 1.23 |
| 7215B | 75 | 130 | 25 | 71.7 | 59.3 | 4300 | 5800 | 1.23 |
| 7915B | 75 | 160 | 37 | 125 | 98.5 | 3400 | 4500 | 3.3 |
| 7016C | 80 | 125 | 22 | 58.7 | 55.3 | 8000 | 11000 | 0.93 |
| 7016AC | 80 | 125 | 22 | 53.4 | 50.6 | 5800 | 7200 | 0.93 |
| 7216C | 80 | 140 | 26 | 92.8 | 77.5 | 7500 | 9900 | 1.5 |
| 7216AC | 80 | 140 | 26 | 85.3 | 71.5 | 5400 | 6700 | 1.5 |
| 7216B | 80 | 140 | 26 | 77.1 | 65 | 4000 | 5400 | 1.5 |
| 7316B | 80 | 170 | 39 | 127 | 100 | 3500 | 4700 | 3.85 |
| 7017C | 85 | 130 | 22 | 60.1 | 58.7 | 7600 | 10000 | 0.97 |
| 7017AC | 85 | 130 | 22 | 54.6 | 53.7 | 5500 | 6800 | 0.97 |
| 7217C | 85 | 150 | 28 | 107 | 90.6 | 7000 | 9200 | 1.87 |
| 7217AC | 85 | 150 | 28 | 98.6 | 83.6 | 5000 | 6300 | 1.87 |
| 7217B | 85 | 150 | 28 | 89.2 | 76 | 3800 | 5000 | 1.87 |
| 7317B | 85 | 180 | 41 | 137 | 112 | 3300 | 4400 | 4.53 |
| 7018C | 90 | 140 | 24 | 71.7 | 69.1 | 7100 | 9400 | 1.26 |
| 7018AC | 90 | 140 | 24 | 65.2 | 63.3 | 5100 | 6400 | 1.26 |
| 7218C | 90 | 160 | 30 | 123 | 105 | 6500 | 8600 | 2.3 |
| 7218AC | 90 | 160 | 30 | 113 | 96.7 | 4700 | 5900 | 2.3 |
| 7218B | 90 | 160 | 30 | 102 | 88 | 3500 | 4700 | 2.3 |
| 7318B | 90 | 190 | 43 | 148 | 124 | 3100 | 4200 | 5.3 |
| 7019C | 95 | 145 | 24 | 73.4 | 73.4 | 6700 | 8900 | 1.32 |
| 7019AC | 95 | 145 | 24 | 66.6 | 67.1 | 4800 | 6000 | 1.32 |
| 7219C | 95 | 170 | 32 | 133 | 112 | 6100 | 8100 | 2.78 |
| 7219AC | 95 | 170 | 32 | 122 | 103 | 4400 | 5500 | 2.78 |
| 7219B | 95 | 170 | 32 | 111 | 94 | 3300 | 4400 | 2.78 |
| 7319B | 95 | 200 | 45 | 158 | 137 | 3000 | 4000 | 6.12 |
Product Description
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Company Profile
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FAQ
1. Where is our factory? We are based in ZheJiang , China, We are an integrated enterprise of industry and trade start from 2008,sell to Domestic Market(40.00%),South America(10.00%),Eastern Europe(10.00%),North America(5.00%),Southeast Asia (5.00%), Africa(5.00%),Mid East(5.00%),Eastern Asia(5.00%) Central America(5.00%),Northern Europe(5.00%),South, Asia(5.00%). Our brand is DMC.2. How can we guarantee quality?
Before we mass-produce the goods. Provide the customer with a free sample list, sample confirmation is satisfied with the
customer, we according to the requirements of the customer mass production if the bearing goods received by the customer are not
satisfied, the product can be returned and replaced within a month.
3.What do you get from us?
We can provide all kinds of bearings OEM&ODM customiz
-ed service.
You will get an excellent supplier and excellent bearing price. We will help you revitalize your career and try our best to let customers earn more money.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 15-45 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 37.35/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
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|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What Factors should be Considered when Selecting a Tapered Roller Bearing for a Specific Application?
Choosing the right tapered roller bearing for a specific application involves considering various factors to ensure optimal performance and reliability. Here are the key factors to consider:
- Load Requirements:
Assess the types and magnitudes of both radial and axial loads the bearing will experience. Choose a tapered roller bearing with a load capacity that comfortably exceeds the expected loads to prevent premature wear or failure.
- Speed:
Determine the required rotational speed of the bearing. High-speed applications may require bearings designed for reduced friction and heat generation to maintain efficiency and avoid overheating.
- Precision and Tolerance:
Consider the level of precision required for the application. Tapered roller bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) grades, which impact factors like smoothness and accuracy of rotation.
- Mounting and Installation:
Assess the available space for mounting the bearing and consider the ease of installation. Bearings with adjustable clearance or preload might be advantageous for fine-tuning the bearing’s internal play.
- Temperature and Environment:
Take into account the operating temperature range and environmental conditions of the application. Extreme temperatures or corrosive environments may require specific bearing materials or coatings.
- Lubrication:
Choose an appropriate lubricant based on the application’s speed, temperature, and load conditions. Proper lubrication ensures smooth operation, reduces friction, and prolongs the bearing’s lifespan.
- Cost and Budget:
Consider the budget allocated for bearings. High-precision or specialized bearings may come at a higher cost, but their performance benefits can outweigh the initial investment over the bearing’s service life.
- Application Type:
Identify the specific industry and application in which the bearing will be used. Tapered roller bearings are employed in various sectors, including automotive, heavy machinery, aerospace, and more.
- Expected Lifespan:
Estimate the required bearing lifespan for the application. Factors such as load, speed, and maintenance practices can impact the bearing’s longevity.
- Bearing Size and Design:
Choose a bearing size that fits within the application’s space constraints while providing the necessary load capacity. The design, including the number and arrangement of rollers, can influence load distribution and performance.
- Maintenance Requirements:
Consider the maintenance schedule and accessibility for bearing inspection and replacement. Bearings in applications with limited maintenance intervals may require enhanced durability.
In conclusion, selecting a tapered roller bearing for a specific application involves assessing load requirements, speed, precision, mounting, temperature, lubrication, cost, application type, expected lifespan, bearing size, and maintenance considerations. Careful evaluation of these factors ensures that the chosen bearing meets the demands of the application while providing reliable performance and longevity.
What are Tapered Roller Bearings and How do They Function in Machinery?
Tapered roller bearings are a type of rolling element bearing designed to handle both radial and axial loads by providing a conical geometry. They consist of inner and outer rings, tapered rollers, and a cage that holds the rollers in place. Tapered roller bearings are commonly used in various machinery and equipment for their ability to support high radial and axial loads simultaneously. Here’s how they function in machinery:
- Geometry:
Tapered roller bearings have an inner ring with a conical surface and an outer ring with a matching conical surface. The rollers are also shaped like truncated cones. This geometry allows the rollers to make contact with both the inner and outer raceways at a common point on the bearing axis, distributing loads more effectively.
- Load Distribution:
The conical shape of tapered rollers enables them to handle both radial and axial loads. Radial loads are supported by the larger diameter of the rollers near the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance:
Tapered roller bearings often allow for adjustable clearance or preload. This feature permits fine-tuning of the bearing’s internal play to optimize performance, reduce friction, and prevent excessive wear.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings are commonly used in various machinery and equipment:
- Automotive Industry:
Tapered roller bearings are widely used in wheel hubs, transmissions, and differential systems in automobiles, where they handle radial and axial loads experienced during driving.
- Heavy Machinery:
In construction equipment, mining machinery, and industrial machinery, tapered roller bearings support heavy loads and shocks, making them suitable for applications like earthmoving and material handling.
- Aerospace:
Tapered roller bearings are used in aircraft landing gear, where they support both vertical and horizontal loads during takeoff, landing, and taxiing.
- Railways:
In trains, tapered roller bearings are used in wheelsets and axles to manage radial and axial loads that occur as the train moves along curves and straight tracks.
- Wind Energy:
Tapered roller bearings are employed in wind turbine gearboxes, where they handle the radial and axial loads associated with converting wind energy into electrical power.
- Installation:
Installation of tapered roller bearings often involves adjusting the internal clearance or preload to optimize performance. Proper lubrication is crucial to ensure smooth operation and longevity.
In summary, tapered roller bearings function by utilizing their conical geometry to support both radial and axial loads, making them versatile components in a wide range of machinery and equipment across various industries.
What are Tapered Roller Bearings and How do They Function in Machinery?
Tapered roller bearings are a type of rolling element bearing designed to handle both radial and axial loads by providing a conical geometry. They consist of inner and outer rings, tapered rollers, and a cage that holds the rollers in place. Tapered roller bearings are commonly used in various machinery and equipment for their ability to support high radial and axial loads simultaneously. Here’s how they function in machinery:
- Geometry:
Tapered roller bearings have an inner ring with a conical surface and an outer ring with a matching conical surface. The rollers are also shaped like truncated cones. This geometry allows the rollers to make contact with both the inner and outer raceways at a common point on the bearing axis, distributing loads more effectively.
- Load Distribution:
The conical shape of tapered rollers enables them to handle both radial and axial loads. Radial loads are supported by the larger diameter of the rollers near the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance:
Tapered roller bearings often allow for adjustable clearance or preload. This feature permits fine-tuning of the bearing’s internal play to optimize performance, reduce friction, and prevent excessive wear.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings are commonly used in various machinery and equipment:
- Automotive Industry:
Tapered roller bearings are widely used in wheel hubs, transmissions, and differential systems in automobiles, where they handle radial and axial loads experienced during driving.
- Heavy Machinery:
In construction equipment, mining machinery, and industrial machinery, tapered roller bearings support heavy loads and shocks, making them suitable for applications like earthmoving and material handling.
- Aerospace:
Tapered roller bearings are used in aircraft landing gear, where they support both vertical and horizontal loads during takeoff, landing, and taxiing.
- Railways:
In trains, tapered roller bearings are used in wheelsets and axles to manage radial and axial loads that occur as the train moves along curves and straight tracks.
- Wind Energy:
Tapered roller bearings are employed in wind turbine gearboxes, where they handle the radial and axial loads associated with converting wind energy into electrical power.
- Installation:
Installation of tapered roller bearings often involves adjusting the internal clearance or preload to optimize performance. Proper lubrication is crucial to ensure smooth operation and longevity.
In summary, tapered roller bearings function by utilizing their conical geometry to support both radial and axial loads, making them versatile components in a wide range of machinery and equipment across various industries.
editor by CX 2024-03-28
China best Sb075aro Chrome Steel CZPT Catalog Ultra Reali Slim Wall Roller Silverthin Ball Tapered Thrust Angular Contact Metric Sleeve Thin Section Bearings bearing driver
Product Description
KAA opening type 4.762mm(CP0/XP0/AR0
KAA571,KAA015,KAA017
KA opening type 6.35mm(CP0/XP0/AR0
KA571,KA571,KA030,KA035,KA040,KA042,
KA045,KA050,KA055,KA060,KA065,KA070,
KA075,KA080,KA090,KA100,KA110,KA120,
KA140,KA180,KA200
KB opening type 7.938mm(CP0/XP0/AR0
KB571,KB571,KB030,KB035,KB040,KB042,
KB045,KB050,KB055,KB060,KB065,KB070,
KB075,KB080,KB090,KB100,KB110,KB120,
KB140,KB180,KB200
KC opening 9.525mm(CP0/XP0/AR0
KC040,KC042,KC045,KC050,KC055,KC060,
KC065,KC070,KC075,KC080,KC090,KC100,
KC110,KC120,KC140,KC180,KC200
KD opening type 12.7mm(CP0/XP0/AR0
KD040,KD042,KD045,KD050,KD055,KD060,
KD065,KD070,KD075,KD080,KD090,KD100,
KD110,KD120,KD140,KD180,KD200
KF opening type 19.05mm(CP0/XP0/AR0
KF040,KF042,KF045,KF050,KF055,KF060,
KF065,KF070,KF075,KF080,KF090,KF100,
KF110,KF120,KF140,KF180,KF200
KG open 25.4mm(CP0/XP0/AR0
KG040,KG042,KG045,KG050,KG055,
KG060,KG065,KG070,KG075,KG080,
KG090,KG100,KG110,KG120,KG140,
KG180,KG200,KG250,KG300,KG400
JA seals 6.35mm(CP0/XP0/A
JHA571,JHA015,JA571,JA571,JA030,JA035,
JA040,JA042,JA045,JA050,JA055,JA060,JA065
JB seals 7.938mm(CP0/XP0/AR
JB571,JB571,JB030,JB035,JB040,JB042,
JB045,JB050,JB055,JB060,JB065
JU seals 12.7mm(CP0/XP0/AR
JU040,JU042,JU045,JU050,JU055,JU060,
JU065,JU070,JU075,JU080,JU090,JU100,
JU110,JU120
JG seals 25.4mm(CP0/XP0/AR0
JG120,JG140,JG160,JG180
5mm-360mm is 8mm,13mm,20mm
thick 8mm (CP0/XP0/
K57108,K05008,K06008,K07008,K08008,K09008,K10008,K11008,
K12008,K13008,K14008,K15008,K16008,K17008,K1K20008,K25008,K30008,K32008,K34008,K36 thick 13mm open (CP0/XP0/
K57113,K05013,K06013,K 0571 3,K08013,K 0571 3,K10013,K11013,
K12013,K13013,K14013,K15013,K16013,K17013,K18013,K19013,
K20013,K25013,K30013,K32013,K34013,K36013
T20mm(CP0/XP0/
K571hinck 20,K 0571 1,K06571,K5711,K 0571 1,K09571,K1571,K11571,
K12571,K13571,K14571,K15571,K16571,K17571,K18571,K19571,
K2571,K25571,K3571,K32571,K34571,K36571
thick 8mm Seals (CP0/XP0/ARO
J57108,J05008,J06008,J07008,J08008,J09008,J10008,J11008,
J12008,J13008,J14008,J15008,J16008,J1700
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | P0.P6.P5 |
|---|---|
| Cage Material: | Brass.Nylon Plastic Full Ball |
| Outer Ring: | Chrome Steel |
| Inner Ring: | Gcr15 |
| Weight: | 0.154kg |
| Structure: | Xpo Aro Cpo |
What Factors should be Considered when Selecting a Tapered Roller Bearing for a Specific Application?
Choosing the right tapered roller bearing for a specific application involves considering various factors to ensure optimal performance and reliability. Here are the key factors to consider:
- Load Requirements:
Assess the types and magnitudes of both radial and axial loads the bearing will experience. Choose a tapered roller bearing with a load capacity that comfortably exceeds the expected loads to prevent premature wear or failure.
- Speed:
Determine the required rotational speed of the bearing. High-speed applications may require bearings designed for reduced friction and heat generation to maintain efficiency and avoid overheating.
- Precision and Tolerance:
Consider the level of precision required for the application. Tapered roller bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) grades, which impact factors like smoothness and accuracy of rotation.
- Mounting and Installation:
Assess the available space for mounting the bearing and consider the ease of installation. Bearings with adjustable clearance or preload might be advantageous for fine-tuning the bearing’s internal play.
- Temperature and Environment:
Take into account the operating temperature range and environmental conditions of the application. Extreme temperatures or corrosive environments may require specific bearing materials or coatings.
- Lubrication:
Choose an appropriate lubricant based on the application’s speed, temperature, and load conditions. Proper lubrication ensures smooth operation, reduces friction, and prolongs the bearing’s lifespan.
- Cost and Budget:
Consider the budget allocated for bearings. High-precision or specialized bearings may come at a higher cost, but their performance benefits can outweigh the initial investment over the bearing’s service life.
- Application Type:
Identify the specific industry and application in which the bearing will be used. Tapered roller bearings are employed in various sectors, including automotive, heavy machinery, aerospace, and more.
- Expected Lifespan:
Estimate the required bearing lifespan for the application. Factors such as load, speed, and maintenance practices can impact the bearing’s longevity.
- Bearing Size and Design:
Choose a bearing size that fits within the application’s space constraints while providing the necessary load capacity. The design, including the number and arrangement of rollers, can influence load distribution and performance.
- Maintenance Requirements:
Consider the maintenance schedule and accessibility for bearing inspection and replacement. Bearings in applications with limited maintenance intervals may require enhanced durability.
In conclusion, selecting a tapered roller bearing for a specific application involves assessing load requirements, speed, precision, mounting, temperature, lubrication, cost, application type, expected lifespan, bearing size, and maintenance considerations. Careful evaluation of these factors ensures that the chosen bearing meets the demands of the application while providing reliable performance and longevity.
How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?
Proper lubrication is essential for ensuring optimal performance and longevity of tapered roller bearings. Lubrication plays a critical role in reducing friction, preventing wear, and managing heat generated during operation. Here’s how proper lubrication impacts tapered roller bearings:
- Reduced Friction:
Lubrication forms a thin film between the rolling elements and raceways, reducing direct metal-to-metal contact. This minimizes friction and the associated heat generation, allowing the bearing to operate smoothly and efficiently.
- Wear Prevention:
Lubrication forms a protective barrier that prevents wear and surface damage. Without proper lubrication, friction can lead to accelerated wear, pitting, and even surface scoring, shortening the bearing’s lifespan.
- Heat Dissipation:
Effective lubrication helps dissipate heat generated during operation. This is especially crucial in high-speed applications where excessive heat can lead to premature bearing failure or degradation of lubricant properties.
- Corrosion Protection:
Lubrication helps create a barrier that protects bearing surfaces from environmental factors that could lead to corrosion. This is particularly important in applications exposed to moisture, chemicals, or other corrosive agents.
- Noise and Vibration Reduction:
Proper lubrication can dampen vibrations and reduce noise by providing a cushioning effect between the rolling elements and raceways. This contributes to smoother and quieter operation.
- Longevity:
Well-lubricated bearings experience less wear and stress, leading to extended service life. Bearings that are inadequately lubricated or run dry are prone to premature failure due to excessive wear, heat buildup, and damage to bearing surfaces.
- Efficiency:
Adequate lubrication maintains the bearing’s efficiency by minimizing energy losses due to friction. Bearings that lack proper lubrication require more energy to overcome higher friction levels, resulting in reduced efficiency.
- Lubrication Methods:
Various lubrication methods are available, including grease lubrication and oil lubrication. The choice depends on factors such as speed, load, temperature, and application requirements.
To ensure proper lubrication:
- Follow Manufacturer Recommendations:
Consult the bearing manufacturer’s recommendations for lubricant type, viscosity, and replenishment intervals.
- Monitor and Maintain:
Regularly monitor the condition of the lubricant and the bearing’s performance. Implement a maintenance schedule for lubricant replacement or replenishment.
- Environmental Considerations:
Consider the operating environment’s temperature, contamination levels, and exposure to external elements. Some applications may require special lubricants for extreme conditions.
In summary, proper lubrication is crucial for maintaining tapered roller bearings’ performance, preventing wear, reducing friction and heat, and extending their lifespan. A well-lubricated bearing contributes to smoother operation, lower maintenance costs, and improved efficiency.
What Advantages do Tapered Roller Bearings Offer Compared to Other Bearing Types?
Tapered roller bearings offer several advantages that make them a preferred choice in various applications compared to other bearing types. These advantages stem from their unique design and capabilities. Here’s a look at the benefits of tapered roller bearings:
- High Load-Carrying Capacity:
Tapered roller bearings can handle both radial and axial loads simultaneously, making them suitable for applications with combined loads. Their conical geometry allows for effective load distribution, enabling them to support heavy loads without premature wear.
- Efficient Axial Load Handling:
Tapered roller bearings excel at managing axial (thrust) loads in one direction. This capability is crucial in applications where axial loads are present, such as automotive transmissions or industrial machinery.
- Reduced Friction and Heat Generation:
The conical shape of the rollers and the matching raceways result in point contact, reducing friction and minimizing heat generation. This efficiency contributes to improved overall performance and energy savings.
- Adjustable Clearance and Preload:
Tapered roller bearings often allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s play, optimizing performance and extending the bearing’s lifespan.
- High Precision:
Tapered roller bearings are available in various precision classes to meet different application requirements. Their precision makes them suitable for applications demanding accurate motion control and positioning.
- Versatility:
Tapered roller bearings are used in a wide range of industries and applications, from automotive and heavy machinery to aerospace and industrial equipment. Their ability to handle diverse loads and conditions contributes to their versatility.
- Durability:
Tapered roller bearings are designed to withstand shocks and impacts, making them suitable for applications with dynamic loads or vibrations. Their robust construction contributes to their overall durability.
- High-Speed Capability:
Tapered roller bearings can operate at high speeds due to their efficient contact geometry and reduced friction. This makes them suitable for applications requiring rapid rotation.
- Cost-Effectiveness:
While the initial cost may vary, tapered roller bearings are often cost-effective due to their long service life and ability to handle heavy loads. Their durability can lead to reduced maintenance and replacement costs over time.
- Compatibility with Combined Loads:
Tapered roller bearings are well-suited for applications where radial and axial loads occur simultaneously, eliminating the need for multiple bearing types and simplifying design and installation.
In summary, tapered roller bearings offer a combination of load-carrying capacity, efficiency, adjustability, precision, and versatility that sets them apart from other bearing types. Their ability to handle a variety of loads and conditions makes them an advantageous choice in numerous industrial applications.
editor by CX 2024-03-24