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China Best Sales High-Frequency Motors Parts 7207acm 7208acm 7209acm 7210acm 7211acm Angular Contact Ball Bearing bearing bronze

Product Description

Angular Contact Ball Bearing can bear radial load and axial load of angular contact ball bearings, single row angular contact ball bearings can only endure single direction axial load, so it is often adopted to paired mounting. When used in pair has preload matched angular contact ball bearings are the most convenient.Retainers are made of brass, synthetic resins, with bearing form, conditions of use and distinction.

Model Number	Inner Diameter	Outer Diameter	Width
Model Number	(mm)	(mm)	(mm)

7200AC	10	30	9
7201AC	12	32	10
7202AC	15	35	11
7203AC	17	40	12
7204AC	20	47	14
7205AC	25	52	15
7206AC	30	62	16
7207AC	35	72	17
7208AC	40	80	18
7209AC	45	85	19
7210AC	50	90	20
7211AC	55	100	21
7212AC	60	110	22
7213AC	65	120	23
7214AC	70	125	24
7215AC	75	130	25
7216AC	80	140	26
7217AC	85	150	28
7218AC	90	160	30
7219AC	95	170	32
7220AC	100	180	34
7221AC	105	190	36
7222AC	110	200	38
7224AC	120	215	40
7226AC	130	230	40
7228AC	140	250	42

Model Number	Inner Diameter	Outer Diameter	Width
Model Number	(mm)	(mm)	(mm)
7207ACM	35	72	17
7208ACM	40	80	18
7209ACM	45	85	19
7210ACM	50	90	20
7211ACM	55	100	21
7212ACM	60	110	22
7213ACM	65	120	23
7214ACM	70	125	24
7215ACM	75	130	25
7216ACM	80	140	26
7217ACM	85	150	28
7218ACM	90	160	30
7219ACM	95	170	32
7220ACM	100	180	34
7221ACM	105	190	36
7222ACM	110	200	38
7224ACM	120	215	40
7226ACM	130	230	40
7228ACM	140	250	42
7230ACM	150	270	45
7232ACM	160	290	48
7240ACM	200	360	116

ZheJiang Haina Bearing Co., Ltd. is an integrated company of industry and trade. Since its establishment, it has been committed to the research and development, production, and sales of high-end 7 types of tapered roller bearings, British non-standard bearings, deep groove ball bearings, and outer spherical bearings. We can customize and adjust various types of bearings according to customer needs. The products are widely applicablein fields such as automobiles, mines, chemicals, metallurgy, reducers, engineering machinery, agricultural machinery, and electric motors.

Our company has advanced testing equipment, forming a production model of product serialization and mass production. We have a group of experienced and skilled management personnel, who have introduced advanced production equipment and measuringand testing equipment. From the purchase of bearing raw materials to the delivery of finished products, we strictly control the entire process, ensuring the quality of the products.The products have the characteristics of precision, low noise, high load-bearing capacity and long service life.

1. Your factory how to control the quality?
A: All bearing parts before the production and the production process, strict inspection by 100%, including crack detection, roundness, hardness,
roughness,and the geometry size, all bearing meet ISO international standard.

2. Can you tell me the bearing material?
A: We have chrome steel GCR15, stainless steel, ceramics and other materials.

3. How long is your delivery time?
A: If the goods are in stock, usually 5 to 10 days, if the goods are no stock for 15 to 20 days, according to the quantity to determine the time.

4. OEM and custom you can receive?
A: Yes, accept OEM, can also be customized according to samples or drawings for you.
/* 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:	Non-Aligning Bearing
Separated:	Unseparated
Rows Number:	Multiple
Load Direction:	Radial Bearing
Material:	Alloy

Samples:	US$ 1.54/Piece 1 Piece(Min.Order) \| Request Sample

tapered roller bearing

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.

tapered roller bearing

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.

tapered roller bearing

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.

China Best Sales High-Frequency Motors Parts 7207acm 7208acm 7209acm 7210acm 7211acm Angular Contact Ball Bearing bearing bronze
editor by CX 2024-05-13

China OEM 03-0260-00 Swing Bearing Ball Bearing for Machinery Spare Parts bearing assembly

Product Description

Production Description for Slewing Bearing, ring bearing, rolling bearings, turntables, swing bearing
Slewing Bearing 03-0260-00 for construction machinery, cranes,shipyard crane

1	Type	single row 4 point contact ball slewing bearing, ring bearing, slewing gear
2	Bore diameter	190mm
3	Outside diameter	329mm
4	Height	45mm
5	Material	42CrMo, 50Mn
6	Precision	P0. P6. P5.
7	Cage/retainer	Nylon or aluminum
8	Gear type	gearless
9	N.W.	17KGS

External Diameter	Internal Diameter	Height	Weight	Reference
234	125	25	5		STD
290	150	41.5	14		STD
300	140	52	16		STD
329	190	45	17		STD
350	190	52	20		STD
403.5	235	55	26		STD
440	240	60	37		STD
440	265	50	29		STD
455	265	71	45		STD
474	336	46	24		STD
475	335	45	30		STD
486	342	56	29		SLBP
500	305	75	51		STD
518	304	56	23		SL
589	383	75	66		STD
616	472	56	38		SLBP
626	424	72	70		STD
648	434	56	34		SL
700	479	77	90		STD
712	487	72	91		STD
716	572	56	45		SLBP
748	534	56	40		SL
816	672	56	52		SLBP
816	573	90	137		STD
848	634	56	46		SL
900	670	86	148		STD
916	772	56	60		SLBP
948	734	56	52		SL
979	717	100	193		STD
1016	872	56	67		SLBP
1048	834	56	58		SL
1130	845	100	271		STD
1144	869	100	248		STD
1166	1571	56	78		SLBP
1198	984	56	67		SL

Why choose CZPT slewing bearings
A pioneer in slewing bearing field, rich experience, can do design, produce, mounting guide
Small order accepted
ISO certified company
Variorum models
7*24hours hotline to help you with your cranes
Strict quality control system to ensure quality for slewing bearing

LYHY Slewing Bearing Types
LYHY slewing bearings can be divided into the following types as per their structures:
single row 4 point contact ball slewing bearing,
single row cross roller slewing bearing,
double row different ball diameter slewing bearing,
three row cylindrical roller slewing bearing and roller/ball combination slewing bearing.
And all these types of slewing bearings can be further divided into bearings without gears, bearings with external gears and bearings with internal gears.

Detailed description of these types slewing bearings

Single row 4 point contact ball slewing bearings
This kind of slewing bearings can support high dynamic loads, transmitting axial and radial forces simultaneously as well as the resulting tilting moments. Applications of this kind of bearings are hoisting, mechanical handling and general mechanical engineering etc.
Single row cross roller slewing bearings
This kind of bearings can support combinations of large radial force, medium axial force and tilting moment with small or zero clearance. Main applications of this kind of bearings are hoisting and mechanical handling and general mechanical engineering etc.
Double row different ball diameter slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Triple row cylindrical roller slewing bearings
This kind of bearings has high load carrying capacity. Under same loads, this kind of bearings has much smaller diameters which can make the installation much compact, as different kinds of loads are supported by different races and rollers. Main applications of this kind of bearings are hoisting, mechanical handling, mining and materials handling, offshore technology and general mechanical engineering etc.
Roller/ball combination slewing bearings
This kind of bearings can support high axial load and low tilting moments. Usually they are large diameter slewing bearings. Applications of this kind of bearings are mining and materials handling etc.

About CZPT bearings
1.introduction:we are a manufacturer of slewing bearing since 1993, our factory occupies a area of 30000square meters with 4 workshop and 1 office building.
2. Featured products: slewing bearing and slewing drive
3. Capital: Current is 1 million RMB, but we are increasing the capital to 10 million RMB
4. Workers: 40
5. Certificate: ISO9001:2008, 3.1 certificate, CCS certificate, Science and Technology Progress Award
6. Annual Exportation: 8million USD
7. Exported countries: (39)
Asia: India, Pakistan, Iran, Signore, Georgia, Malaysia, Vietnam, Thailand, Philippines, Israel, Korea, UAE, Sri Lanka, Saudi Arabia,
Europe: Turkey, Russia, Spain, Czech Republic, Italy, Poland, Slovakia, Bosnia and Herzegovina, Austria, France, Germany, Switzerland, Finland, Ukraine, UK
America: USA, Canada, Mexico, Brazil, Puerto Rico, Peru, Chile
Africa: South Africa, Egypt
Oceania: Australia

Production Process of CZPT slewing bearings

Quality Control Process of CZPT slewing bearings

LYHY Slewing Bearing Packing
Bearing surface is covered with the anti-rust oil first; and then wrapped with the plastic film;
And then packed with kraft paper and professional belts;
At last, with wooden box totally at the outer packing to invoid the rust or the moist;
We can depend on the customers demand to be packed;

Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints” Here under is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipment (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipment (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Packing machinery

Transportation:
All CZPT slewing ring bearings can be usually delivered timely, usual production time is 15-50 days based on different slew bearings diameters, sometimes slew rings will be in stock.
Slewing bearings can be offered different delivery terms, such as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by different transport ways, by express (such as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.

INSTALLATION OF CZPT SLEWING BEARINGS

Preparation:
Make sure that the model is correct and slewing bearing isn’t damaged during transportation.
2. Check the appearance and rotational state of the bearing, such as rotational precision clearance, rotating flexibility, seals position, lubrication grease etc.
3. The installation datum plane and bracket installing plane should be clean, grease, burr, paint and other foreign body should be wiped off.

Installation:

1. The screws in the installing plane should be fit with the mounting holes in the slewing bearing
2. The slewing bearing has a soft zone marked with an “s” on the upper surface, when installing the bearing, it is important to ensure that this area is placed in a non-load or infrequent load zone.
3. When the bearing is placed on the supporting frame work it is important to check the interface between these 2 surfaces. This check should be carried out with the insertion of feel gauges between the 2 surfaces. If a gap should exist then it is recommended to plane/resurface the effective area so as to remove the gap.
4. Install slewing bearing with high strength screws, and choose appropriate strength bolts. All bolts are required to be tightened evenly. The sequence of this tightening process is shown in Pic. Welding of bearing is not allowed, in the event of welding any adjacent parts, heat transfer shall be avoided so as to cause the bearing to become deformed or change the hardness.
5. After installation, the bearing should be rotated to check for smooth operation and any emission of unusual noise. If either of the aforementioned are noted, then the bearing should be adjusted to eliminate them. The teeth of the largest run-out are coated with green paint.

FAQ:

Q: Are LYHY BEARINGS trading company or manufacturer?
A: CZPT BEARINGS is a professional manufacturer for slewing bearings, thin section bearings, ball bearings and rolling bearings

Q: How do LYHY BEARINGS control quality of their bearing?
A: LYHY BEARINGS has established strict quality control systems, all the products and services has passed ISO9001-2008 Quality Certificate and third party such as CCS, LR,ABS,BV

Q: What is the MOQ?
A: MOQ is 1pc, pls message us for detailed information.

Q: How about the package for CZPT bearings?
A: Standard Industrial packing in general condition (Plastic tube+ professional plastic belts+ plywood case). Accept design package when OEM.

Q: How long is the production time?
A: It takes about 7-40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have your own forwarder.

Q: Is sample available?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable for LYHY BEARINGS. We can design as per your requirements and use your own LOGO and package design.
/* 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

Standard or Nonstandard:	Standard
Sealing Gland:	Sealed On Both Sides
Rolling-Element Number:	Single-Row
Roller Type:	Four Point Contact Ball
Material:	50mn, 42CrMo
Type:	External Gear

Samples:	US$ 160/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

rolling contact bearing

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.

rolling contact bearing

Are there specific considerations for choosing rolling contact bearings in applications with extreme operating conditions or high precision requirements?

When selecting rolling contact bearings for applications with extreme operating conditions or high precision requirements, there are specific considerations to take into account. Here’s a detailed explanation of these considerations:

Operating Conditions:

In applications with extreme operating conditions, such as high temperatures, high speeds, or corrosive environments, special attention must be given to the bearing’s ability to withstand these conditions. Considerations include:

Temperature: High-temperature applications require bearings with heat-resistant materials and lubricants designed to withstand elevated temperatures without degradation. Specialized heat treatment processes may be necessary to enhance the bearing’s ability to handle thermal expansion and avoid premature failure.
Speed: High-speed applications demand bearings that can operate at significantly higher rotational speeds without excessive friction, heat generation, or loss of precision. Factors such as cage design, lubrication, and material selection play a crucial role in achieving reliable performance at high speeds.
Corrosion and Chemical Resistance: In corrosive environments or applications exposed to chemicals, bearings with corrosion-resistant materials, such as stainless steel or ceramic, and appropriate sealing mechanisms are essential to prevent premature failure due to chemical attack or rust formation.
Vibration and Shock: Applications subject to high vibration or shock loads require bearings capable of withstanding these dynamic forces. Special designs, such as extra internal clearance or improved cage stability, may be necessary to ensure reliable operation under such conditions.

Precision Requirements:

In applications with high precision requirements, such as precision instruments, machine tools, or optical equipment, specific considerations are essential to meet the desired level of accuracy and repeatability. Some key factors include:

Tolerance and Dimensional Stability: Bearings used in high-precision applications must have strict dimensional tolerances and excellent dimensional stability to ensure precise positioning and alignment. This requires careful control during the manufacturing process and the use of high-quality materials.
Runout and Radial Clearance: Runout, which refers to the deviation from perfect circularity, and radial clearance, which affects the internal play between the rolling elements and the raceways, must be tightly controlled to achieve the desired precision. Bearings with low runout and minimal radial clearance are preferred for high-precision applications.
Noise and Vibration: High-precision applications often require low noise and vibration levels. Bearings with optimized designs, such as improved cage stability, precision-ground raceways, and high-quality lubrication, help minimize noise and vibrations, ensuring accurate and quiet operation.
Lubrication: Proper lubrication is crucial for high-precision bearings to reduce friction, minimize wear, and maintain consistent performance. Lubricants with low viscosity, high stability, and excellent temperature characteristics are typically used in precision applications.

Choosing the right rolling contact bearings for applications with extreme operating conditions or high precision requirements requires careful consideration of factors such as temperature, speed, corrosion resistance, dimensional stability, and lubrication. Consulting with bearing manufacturers or experts can provide valuable guidance in selecting the most suitable bearings to meet the specific application’s demands.

rolling contact bearing

Can you explain the key characteristics and benefits of rolling contact bearings?

Rolling contact bearings possess several key characteristics and offer numerous benefits in mechanical systems. Here’s a detailed explanation of these characteristics and benefits:

Key Characteristics of Rolling Contact Bearings:

The key characteristics of rolling contact bearings include:

Low Friction: Rolling contact bearings utilize rolling elements, such as balls or rollers, which reduce friction compared to sliding contact bearings. This characteristic minimizes energy losses, heat generation, and wear, resulting in improved efficiency and performance of the mechanical system.
Load Distribution: Rolling contact bearings distribute loads evenly across their contact surfaces, minimizing stress concentrations and preventing premature wear or failure. This characteristic allows mechanical systems to handle various loads and forces without compromising performance.
Smooth Motion: Rolling contact bearings enable smooth and controlled motion between components. The rolling elements facilitate low-friction rotation or linear movement, providing precise and reliable operation in a wide range of applications.
Positional Accuracy: Rolling contact bearings help maintain accurate positioning of components in mechanical systems, ensuring alignment and reducing the risk of misalignment-related issues. This characteristic is crucial in precision machinery, robotics, and other applications where positional accuracy is essential.
Versatility: Rolling contact bearings are available in different sizes, configurations, and materials, making them adaptable and versatile in various mechanical systems. They can accommodate different load capacities, speeds, and environmental conditions, providing flexibility in design and application.
Durability: Rolling contact bearings are designed to withstand the demands of various operating conditions. They are constructed with high-quality materials and undergo extensive testing to ensure durability and long service life.
Reduced Maintenance: Rolling contact bearings require minimal maintenance compared to other types of bearings. Proper lubrication and periodic inspection are typically sufficient to ensure their reliable operation over an extended period.

Benefits of Rolling Contact Bearings:

The utilization of rolling contact bearings offers several benefits in mechanical systems:

Efficiency: Rolling contact bearings reduce friction and energy losses, resulting in improved overall system efficiency. This benefit translates to energy savings, reduced operating costs, and increased productivity.
Smooth Operation: Rolling contact bearings enable smooth and controlled motion, minimizing vibration, noise, and unwanted movement. This benefit enhances the comfort, precision, and reliability of the mechanical system.
Extended Service Life: Rolling contact bearings, when properly selected, installed, and maintained, can provide long service life. Their ability to distribute loads and resist wear ensures reliable operation and reduces the frequency of replacements or repairs.
Wide Range of Applications: Rolling contact bearings are utilized in various industries and applications, including automotive, aerospace, industrial machinery, appliances, and more. Their versatility and availability in different sizes and configurations make them suitable for diverse mechanical systems.
Cost-Effectiveness: Rolling contact bearings offer a cost-effective solution for many applications. Their initial cost is typically lower compared to other types of bearings, and their long service life reduces maintenance and replacement expenses over time.

In summary, rolling contact bearings possess key characteristics such as low friction, load distribution, smooth motion, positional accuracy, versatility, durability, and reduced maintenance. Their benefits include improved efficiency, smooth operation, extended service life, wide application range, and cost-effectiveness. By utilizing rolling contact bearings in mechanical systems, designers and engineers can achieve reliable and efficient performance across various industries and applications.

China OEM 03-0260-00 Swing Bearing Ball Bearing for Machinery Spare Parts bearing assembly
editor by CX 2024-05-09

China Standard Bearing Cheap Bearings Auto Parts for Sale Spherical Roller Bearing Cylindrical Roller Bearing 7012 Angular Contact Ball Bearing bearing block

Product Description

Angular contact ball bearing

Angular Contact Ball Bearings can bear radial load and axial load at the same time. It can work at higher speeds. The larger the contact angle, the higher the axial load carrying capacity. The contact angle is the angle between the line of contact points between the ball and the raceway in the radial plane and the vertical line of the bearing axis. High-precision and high-speed bearings usually take a contact angle of 15 degrees. Under the action of axial force, the contact angle will increase.

Company Profile

In 2013, 1 associates decided to create an innovative sales service of bearings to satisfy diffierent kinds of application.

In order to supply even more stable quality to our vast customers, we established a factory in HangZhou city, ZHangZhoug province, China, near HangZhou and ZheJiang port, which has recognized by special ISO. The various bearings we produce there have been inspected and confirmed by SGS to be RoHS compliant.

In order to satisfy our customer’s diffierent industrial requirement: Advises, quick quotations, quick delievery, difficullt sourcing bearing products, the best suitable bearing(price, quality), We are working with over 300 suppliers to make sure to get the perfect part for you. We strive to offer the most precise and most suitable bearing for each part.

We Registered “GNYAR” in 2014, registered “MAJC” in 2018, both was received in high-performance praise, and earned high reputation among customers from motorcycle parts, auto parts and embroidery machine spare parts, Power tools, agricultural machine, bicycle, Semiconductor Facilities. Fitness Equipments, Toys, fishing, industrial using design.

After years of development, we believe that by establishing a mutually beneficial relationship with our customers we can both continue to grow and prosper, we wish and hope to always grant you satisfaction.

Other products

Product application

Packaging & Shipping

FAQ

Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibility when defective product is found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.
Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we are CZPT to customize housings in different styles, and sizes in different brands, we also customize circuit board & packaging box as per your requirements.
Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
Q:Do you offer free samples?
A: Yes we offer free samples to distributors and wholesalers

/* 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:	Normal
Aligning:	Non-Aligning Bearing
Separated:	Unseparated
Rows Number:	Single
Load Direction:	Radial Bearing
Material:	Bearing Steel

Samples:	US$ 1/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

tapered roller bearing

What Advantages do Tapered Roller Bearings Offer Compared to Other Bearing Types?

High Load-Carrying Capacity:

Efficient Axial Load Handling:

Reduced Friction and Heat Generation:

Adjustable Clearance and Preload:

High Precision:

Versatility:

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:

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.

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Reduced Friction:

Wear Prevention:

Heat Dissipation:

Corrosion Protection:

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:

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.

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Reduced Friction:

Wear Prevention:

Heat Dissipation:

Corrosion Protection:

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:

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.

China Standard Bearing Cheap Bearings Auto Parts for Sale Spherical Roller Bearing Cylindrical Roller Bearing 7012 Angular Contact Ball Bearing bearing block
editor by CX 2024-05-08

China high quality China Bearings Produces Angular Contact Ball Bearings 7200 7201 7202ctynsulp4 Single Row Angular Contact Ball Bearings for Automotive Parts Bearing supplier

Product Description

Parameter:

Product Name	Angular contact ball bearing
Brand Name	KSA
Material	Gcr15
Precision Grade	P0,P6,P5
Certification	ISO 9001
Packeage	Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement
MOQ	Depending On Moedl
Serice	OEM
Sample	Available
Payment	TT or L/C or Western Union
Port	HangZhou ZheJiang HangZhou

In order to meet the performance requirements of bearings, Chinese bearing steel has more excellent performance:
1. Higher contact fatigue strength
2. after heat treatment with higher hardness to meet the bearing performance requirements
3. higher wear resistance, lower friction coefficient
4. Higher elastic limit
5. better impact toughness and fracture toughness
6. better dimensional stability
7. better rust resistance

ANGULAR CONTACT BALL BEARING SERIES

where C is 15 degrees contact Angle, AC is 25 degrees contact Angle, B is 40 degrees contact Angle, the bearing limit speed is higher, can bear both radial load and axial load, can also bear pure axial load, the axial load capacity is determined by the contact Angle, and increases with the increase of the contact Angle. It can only withstand the axial load in 1 direction, when bearing the radial load, it will cause additional axial force, and must apply the corresponding reverse load, so the bearing is generally used in pairs.

SINGLE ROW ANGULAR CONTACT BALL BEARING

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. Angular contact ball bearings have a contact Angle of 40 degrees, so they can withstand large axial loads. Angular contact ball bearings are of a non-separation design, and the shoulders on both sides of the inner and outer rings are not high or low. In order to increase the load capacity of the bearing, the shoulder on 1 side is machined lower, so that the bearing can fit more steel balls.

DOUBLE ROW ANGULAR CONTACT BALL BEARING

Double row angular contact ball bearings can bear large radial loads, mainly radial and axial combined loads and torque loads, limiting the axial displacement of both sides of the shaft. The inclinability between the inner and outer rings of the double-row angular contact ball bearing is limited in the parts mainly used to limit the two-way axial displacement of the shaft and the housing. The allowable inclination Angle depends on the internal clearance of the bearing, the bearing size, the internal design and the force and moment acting on the bearing, and the allowable inclination Angle should ensure that no excessive additional stress is generated in the bearing. If the inclination Angle between the inner and outer rings of the bearing exists, the life of the bearing will be affected, and the running accuracy of the bearing will be reduced, and the running noise will be increased. Double row angular contact ball bearings generally use nylon cages or brass solid cages. When installing double row angular contact ball bearings, attention should be paid to the fact that although the bearings can withstand two-way axial loads, if there is a ball loading gap on 1 side, care should be taken not to let the main axial load pass through the groove side with a gap. When the bearing is used, attention should be paid to making the raceway without the ball filling gap bear the main load.

OUR ADVANTAGE:

1.Our products: with high quality, long life, high speed, low noise, low friction quality products

2. We have: sufficient storage space, sufficient inventory, high production efficiency, we provide customers with the most favorable prices

3. Chinese bearing: in China’s production line, products are exported to all over the world, product specifications are complete, certificates are complete, professional R & D team

4. After-sales service and technical guidance: The company provides after-sales service and technical guidance according to customer requirements and needs

Company Profile

ZheJiang Kangshi Precision Bearing Manufacturing Co., Ltd., located in Yandian Town Industrial Park, HangZhou City, ZheJiang Province, mainly produces zero deep groove ball bearings, 2 types of cylindrical roller bearings, 3 types of aligning roller bearings, 6 types of angular contact ball bearings, 7 types of tapered roller bearings, 8 types of thrust ball bearings, thrust bearings, 9 types of thrust aligning roller bearings, outer spherical bearings, auto parts, Motorcycle parts and other rolling bearings. Our factory has strong professional technology, good production equipment and perfect testing means, can fully meet the various types, specifications, high precision and special use requirements of bearing products customized processing, the production process of the product according to the strict national standards of enterprise internal control standards for the implementation of full inspection and multi-project comprehensive inspection of factory products, Can ensure the quality of each set of factory bearing products to meet national standards. Kangshi bearing has always implemented national standards, market prices, and implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service! Welcome customers at home and abroad to consult and negotiate business, the company will continue to win the trust of more customers with good product quality and reputation.

OUR FACTORY QUALITY ASSURANCE
LOW NOISE, HIGH SPEED AND NOT EASY TO BURN EXCELLENT AFTER-SALES SERVICE

PACKAGING AND TRANSPORTATION

1.Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets).
Accept design package when OEM.

MAIN USE

Single row angular contact ball bearings: machine spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, welding machine, low noise type cooling tower, mechanical and electrical equipment, painting equipment, machine slot plate, arc welding machine, etc

Double row angular contact ball bearings: oil pump, Roots blower, air compressor, various transmission, fuel injection pump, printing machinery, planetary reducer, extraction equipment, cycloidal reducer, food packaging machinery, electric welding machine, electric soldering iron, square box, gravity spray gun, wire stripping machine, half shaft, inspection and analysis equipment, fine chemical machinery, etc

FAQ

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q:What are the advantages of your company’s services compared to other companies?
A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance
and quality of various documents, 100% after-sales service
Q:OEM POLICY
A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
We can custom your packaging according to your design All copyright own by clients and we promised don’t
disclose any info.
Q:How to contact us quickly?
A: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

Contact Angle:	25°
Aligning:	Aligning Bearing
Separated:	Unseparated

Samples:	US$ 2/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:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

tapered roller bearing

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.

tapered roller bearing

What Advantages do Tapered Roller Bearings Offer Compared to Other Bearing Types?

High Load-Carrying Capacity:

Efficient Axial Load Handling:

Reduced Friction and Heat Generation:

Adjustable Clearance and Preload:

High Precision:

Versatility:

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:

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.

tapered roller bearing

Can you Explain the Design and Construction of Tapered Roller Bearings?

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:

Conical Geometry:

Load Distribution:

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:

China high quality China Bearings Produces Angular Contact Ball Bearings 7200 7201 7202ctynsulp4 Single Row Angular Contact Ball Bearings for Automotive Parts Bearing supplier
editor by CX 2024-04-30

China OEM Bearing Mr95 Angular Contact Bearings with Deep Groove Ball for Bike/Auto Parts Size 593mm bearing bronze

Product Description

Detailed Photos:

Product Description

Our precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability and long life. They are mainly used in various types of electric motors. They are also known as EMQ (Electric Motor Quality) bearings.
EMQ bearings are widely used in household appliances, toys, electric power tools, car motors and other fields. With optimal design, high reliability heat treatment, precision manufacturing processes and high-grade grease, these products perform better on reliability, vibration and noise levels than standard products making them more suitable for electric motor applications. These products can also be applied to most gearbox applications as well.

Item	Deep Groove Ball Bearing	Closure type	ZZ/RS
OEM ODM	Technical drawing or sample is needed	d(mm)	5
Original	ZheJiang , China	D(mm)	9
Material	Chrome steel, Carbon steel, Stainless steel, etc.	B(mm)	3
Cage Material	Steel / Nylon	Number of row	single
Tolerance	P0 P6 P5 P2 P4	Clearance	C0 C2 C3 C4
Vibration	V1 V2 V3	Noise	Z1 Z2 Z3 Z4
MOQ	1000 pcs	Application	Motor/electric/sliding/furniture accessories/ Skateboard/etc.
Feature	heavy-duty,adjustable,low noise, easy installation,sliding smoothly,long life,standard,customized,etc	Leading Time	According to the order q’ty

Company Profile

ABOUT US

Haibite was set up in 1996 and located at HangZhou, a beautiful city in China, covering an area of 16000 square meters. Our company is bearing manufacturer&bearing distributor.

We have own factory that specialize in the production of bearings. We are in a good position to supply you high quality bearing, the finest price and customized service.
Since it was first established, Haibite was dedicated in research, development and manufacture of bearings.

Haibite deep groove ball bearing has numerous technical advantages, such as increased service life of bearing over a broad of operating temperature and all these combined with the highest level of cost effectiveness.

Now, Haibite has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.

1. Our bearing are in stable quality with smooth rotation, long life operation, small movement, advanced heat treatment etc.

2. The Balls with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s adapt in multiple housing choices with any wheels to fit different aluminnum. Our bearing ensure alignment across the full adjustment ranges within built-in retention system.

3. If you need, we also could offer customized hardware service, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.

We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.

Packaging & Shipping

Packaging Details
Packaging
A.Polybag +Box+Carton
B.B.Tube+Box+Carton
C.As per customer’s request
We have kinds of packages, such as plastic bags, cartons, special boxes. We use different packages based on the products and our customers’ requirements.
Port :HangZhou

Our Advantages

FAQ

If you have any other questions, please feel free to contact us as follows.

Q: Why did you choose us?

A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.

B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.

C. The best service provided by a well-trained international sales team.

Q: Do you accept small orders?

100% quality check, once your bearings are standard size bearings, even one, we also accept.

Q: Do you provide samples? Is it free or extra?

Yes, we can provide a small amount of free samples. Do you mind paying the freight?

Q: What should I do if I don’t see the type of bearings I need?

We have too many bearing series numbers. Sometimes we can’t put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.

Q: What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW;
Accepted Payment Currency: USD, EUR, JPY, CNY;
Accepted Payment Type: T/T, L/C, D/P, D/A
Language Spoken: English, Chinese;

Purchase Notice

1. Please send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2. You can ask us to take actual photos of the products for you, and free samples would be provide.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements.
Finally, please be sure to click “Contact Supplier” to contact us, or “call us” with any questions that you may have.

Welcome to contact me anytime!

/* 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

Aligning:	Aligning Bearing
Separated:	Unseparated
Rows Number:	Single

Samples:	US$ 0.5/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:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Reduced Friction:

Wear Prevention:

Heat Dissipation:

Corrosion Protection:

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:

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.

tapered roller bearing

Can you Explain the Design and Construction of Tapered Roller Bearings?

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:

Conical Geometry:

Load Distribution:

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 bearing

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.

China OEM Bearing Mr95 Angular Contact Bearings with Deep Groove Ball for Bike/Auto Parts Size 5*9*3mm bearing bronze
editor by CX 2024-04-23

China OEM Machinery Spare Parts Bearing Wholesalers 3314-2RS/Zz 7307AC/7026AC 7008c Angular Contact Ball Bearing deep groove ball bearing

Product Description

Machinery Spare Parts Bearing Wholesalers 3314-2RS/ZZ 7307AC/7026AC 7008C Angular Contact Ball Bearing

Product Description

The connection line between the steel ball of the contact ball bearing and the contact point of the inner and outer rings forms an angle with the radial direction. Contact angles are generally divided into 15°, 30°, and 40°, which are represented by letters C, A, and B respectively.

Angular contact ball bearings mainly bear large unidirectional axial loads, and the larger the contact angle, the greater the load-bearing capacity. The material of the cage is steel plate, brass, or engineering plastic, and the forming method is stamping or turning, which is selected according to the bearing form or service conditions. Others include combined angular contact ball bearings, double-row angular contact ball bearings, and four-point contact ball bearings.

Angular contact ball bearings can bear radial load and axial load at the same time. Can work at higher speeds. The larger the contact angle, the higher the axial load-carrying capacity. High-precision and high-speed bearings usually take a contact angle of 15 degrees. Under the action of axial force, the contact angle will increase. Single-row angular contact ball bearings can only bear axial load in 1 direction and will cause additional axial force when bearing radial load. And it can only limit the axial displacement of the shaft or housing in 1 direction. If it is installed in pairs, make the outer rings of a pair of bearings face each other, 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 limits the shaft or housing to axial play in both directions.

Because the raceway of the inner and outer rings of the angular contact ball bearing can have relative displacement on the horizontal axis, it can bear radial load and axial load at the same time – combined load (single row angular contact ball bearing can only bear axial load in 1 direction, Therefore, they are generally installed in pairs). The material of the cage includes brass, synthetic resin, etc., which are distinguished according to the bearing type and service conditions.

Product Parameters

Product Name	Angular Contact Ball Bearing
Type	Angular Contact Ball Bearing
Structure	Angular Contact
Applicable Industries	The machinery manufacturing plant, machine tools, mechanical equipment, motor automobile hub, agricultural machinery
Brand Name	RPZ /LONK/XWFD/ XWFD ZMW
Accuracy class	P0, P6, P5, P4, P2 or as required20mm-500mm
Seal type	Open / 2RS
Size	20mm-500mm
Number of Rows	Single row
Origin	ZheJiang , China
Product Model	7000cac 7200c 7001acm
Material	Gcr15 chrome steel / stainless steel bearing
Features	long life, low friction, high speed
Retainer Type	Brass / bakelite / steel

Angular Contact Bearing
7000AC	7200AC	7303AC	7406AC	3304-2RS/ZZ
7001AC	7201AC	7304AC	7407ACP6	3305-2RS/ZZ
7002AC	7202AC	7305AC	7408AC	3306-2RS/ZZ
7003AC	7203AC	7306AC	7409AC	3307-2RS/ZZ
7004AC	7204AC	7307AC	7410AC	3308-2RS/ZZ
7005AC	7205AC	7308AC	7412ACM	3309-2RS/ZZ
7006AC	7206AC	7309AC	7412BM	3310-2RS/ZZ
7007AC	7207AC	7310AC	7414ACM	3311-2RS/ZZ
7008AC	7208AC	7311AC	7414BM	3312-2RS/ZZ
7009AC	7209AC	7312AC	7416ACM	3313-2RS/ZZ
7571AC	7210C	7313AC	7416BM	3314-2RS/ZZ
7011AC	7210AC	7314AC	7418ACM	3315-2RS/ZZ
7012AC	7211AC	7315AC	7418BM	3316-2RS/ZZ
7013AC	7212AC	7315BM		3317-2RS/ZZ
7014AC	7213AC	7317AC	3204-2RS/ZZ	3318-2RS/ZZ
7015AC	7214AC	7317BM	3205-2RS/ZZ	3319-2RS/ZZ
7016AC	7216AC	7318AC	3206-2RS/ZZ	3320-2RS/ZZ
7017AC	7217AC	7318BTN	3207-2RS/ZZ
7018AC	7218AC	7319AC	3208-2RS/ZZ	QJ210
7571AC	7219AC	7319BM	3209-2RS/ZZ	QJ211
7571AC	7220AC	7320AC	3210-2RS/ZZ	QJ212
7571AC	7221AC	7320BM	3211-2RS/ZZ	QJ213
7026AC	7222AC	7322AC	3212-2RS/ZZ	QJ214
7571AC	7224AC	7322BM	3213-2RS/ZZ	QJ215
7030AC	7228AC	7324ACM	3214-2RS/ZZ	QJ216
7032AC	7232AC	7324BM	3215-2RS/ZZ	QJ217
7034AC	7236AC	7326ACM	3216-2RS/ZZ	QJ218
7036AC	7240AC	7328ACM	3217-2RS/ZZ	QJ219
7038AC	7244AC	7328BM	3218-2RS/ZZ	QJ220
		7330ACM	3219-2RS/ZZ	QJ222
		7332ACM	3220-2RS/ZZ	QJ224
		7334ACM		QJ226
		7336ACM		QJ228
		7338ACM		QJ230
		7340ACM		QJ232

Detailed Photos

FAQ

Q1:What is your Before-sales Service?
1>. Offer to bear related consultation about technology and application;

2>.Help customers with bearing choice, clearance configuration, product” life, and reliability analysis;

3>. Offer highly cost-effective and complete solution program according to site conditions;

4>. Offer localized program on introduced equipment to save running cost

Q2: What is your After-sales Service?
1>. Offer training about bearing installation and maintenance;

2>.Help customers with trouble diagnosis and failure analysis;

3>. Visit customers regularly and feedback on their rational suggestions and requirements to the company.

Q3: How about your company’s strength?
1>.FREE SAMPLES:
contact us by email or trade manager, we will send the free samples according to your request.

2>. World-Class Bearing:
We provide our customers with all types of indigenous roller bearings of world-class quality.

3>.OEM or Non-Stand Bearings:
Any requirement for Non-standard roller bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.

4>.Genuine products With Excellent Quality:
The company has always proved the 100% quality products it provides with genuine intent.

5>. After-Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.

6>.Quick Delivery:
The company provides just-in-time delivery with its streamlined supply chain.

7>.Cost Saving:
We provide long-life, shock-resistant, and high-reliability roller bearings with excellent quality and better performance.
Resulting in increased cost savings.

Q4: What will we do if you are not satisfied with the product?
A: If have any abnormal, Please contact us at the first time, and we will immediately process

Q5: How long will you respond to our problems?
A: We will respond within 1 hour. 24 hours to solve your problem

Q6: Is optional lubrication provided?
A: We can offer a wide range of oils and greases for a variety of applications. Please contact our engineer for technical
assistance with any special requirements

/* 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:	45°
Aligning:	Non-Aligning Bearing
Separated:	Separated

Samples:	US$ 10/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:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

tapered roller bearing

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:

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.

tapered roller bearing

What are Tapered Roller Bearings and How do They Function in Machinery?

Geometry:

Load Distribution:

Adjustable Clearance:

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:

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.

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Reduced Friction:

Wear Prevention:

Heat Dissipation:

Corrosion Protection:

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:

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.

China OEM Machinery Spare Parts Bearing Wholesalers 3314-2RS/Zz 7307AC/7026AC 7008c Angular Contact Ball Bearing deep groove ball bearing
editor by CX 2024-04-11

China OEM Qj212 06.31421.0402 176212 HD90149326033 Dz9114320016 Angular Contact Ball Bearing for CZPT Beiben Truck Spare Parts Through Shaft Bearing bearing air

Product Description

QJ212 06.31421.0402 176212 HDDZAngular Contact Ball Bearing For CZPT BEIBEN Truck Spare Parts Through Shaft Bearing

Detailed Photos

Our Advantages

(1) The whole series of bearings are made of bearing steel with high impact resistance.
(2) Machining center processing, with stable quality.
(3) Products are inspected and delivered out of the warehouse 1 by 1 to ensure 100% pass rate of products.

Brand Culture

Product Package

Function

The main function of the bearing is to support the mechanical rotating body and reduce the friction coefficient during its movement. As a high-precision, high-strength, high-speed part, the automobile bearing has an absolute connecting role. Especially in automobile chassis, engine, gearbox, brake disc, suspension, and other places, there are a large number of bearings.

Factory Show

Honor Certificate

/* 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

After-sales Service:	Support
Warranty:	12 Months
Type:	Through Shaft Bearing
Material:	Steel
Certification:	ISO9001
Model No:	Qj212 06.31421.0402 176212 HD90149326033

Samples:	US$ 17.28/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Reduced Friction:

Wear Prevention:

Heat Dissipation:

Corrosion Protection:

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:

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.

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Reduced Friction:

Wear Prevention:

Heat Dissipation:

Corrosion Protection:

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:

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.

tapered roller bearing

Can you Explain the Design and Construction of Tapered Roller Bearings?

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:

Conical Geometry:

Load Distribution:

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:

China OEM Qj212 06.31421.0402 176212 HD90149326033 Dz9114320016 Angular Contact Ball Bearing for CZPT Beiben Truck Spare Parts Through Shaft Bearing bearing air
editor by CX 2024-04-04

China best Angular Contact Ball Bearing 7200 Series Bulk Stock Automobile, Mechanical Parts 7201AC 7202AC 7201acm 7202acm 7201btn 7202btn bearing bronze

Product Description

Product Parameters

Bearing type	Boundary Dimensions( mm )			Speed Rating(ipm)		Load Rating(kn)		Weight(kg)
Bearing type	d	D	B	Grease lubrication	Oil lubrication	Dynamic Cr	Static Cor	Weight(kg)
7200AC	10	30	9	20000	26000	5.1	2.38	0.032
7201AC	12	32	10	19000	24000	6.82	3.05	0.037
7202AC	15	35	11	18000	22000	7.65	3.72	0.045
7203AC	17	40	12	16000	20000	9.58	4.78	0.065
7204AC	20	47	14	14000	18000	12.8	6.65	0.106
7205AC	25	52	15	13000	15000	14	7.85	0.128
7206AC	30	62	16	11000	13000	19.5	11.3	0.199
7207AC	35	72	17	9200	11000	25.7	15.4	0.288
7208AC	40	80	18	8000	10000	29.5	18	0.368
7209AC	45	85	19	7000	9000	31.5	20.5	0.416
7210AC	50	90	20	6700	8500	35	23.2	0.463
7211AC	55	100	21	6000	7500	43.5	29.2	0.6
7212AC	60	110	22	5600	7000	47.8	32.8	0.78
7213AC	65	120	23	5000	6300	57.2	40	0.99
7214AC	70	125	24	4800	6000	60.5	45	1.08
7215AC	75	130	25	4500	5600	66	49.5	1.17
7216AC	80	140	26	4300	5300	71.5	54.5	1.44
7217AC	85	150	28	4000	5000	83	63.8	1.8
7218AC	90	160	30	3800	4800	95.8	71.5	2.17
7219AC	95	170	32	3600	4500	108	81.5	2.61
7220AC	100	180	34	3400	4300	122	92.8	3.2
7221AC	105	190	36	3200	4000	133	105	3.78
7222AC	110	200	38	3000	3800	144	117	4.42
7224AC	120	215	40	2600	3400	155	131	5.3
7226AC	130	230	40	2400	3200	165	148	6.12
7228AC	140	250	42	2000	2800	179	167	7.77
7230AC	150	270	45	1900	2600	203	199	9.78

Model	Model	Model	Model	Model	Model	Model	Model	Model	Model	Model	Model
7000AC	7212AC	7408AC	7048ACM	7308ACM	71801C	71912C	QJ212M	7201BTN	7224BM	7305BM	7408BM
7001AC	7213AC	7409AC		7309ACM	71802C	71913C	QJ213M	7202BTN	7226BM	7306BM	7409BM
7002AC	7214AC	7410AC	7200ACM	7310ACM	71803C	71914C	QJ214M	7203BTN	7228BM	7307BM	7410BM
7003AC	7215AC	7411AC	7201ACM	7311ACM	71804C	71915C	QJ215M	7204BTN	7230BM	7308BM	7412M
7004AC	7216AC	7412AC	7202ACM	7312ACM	71805C	71916C	QJ216M	7205BTN	7232BM	7309BM	7413BM
7005AC	7217AC	7413AC	7203ACM	7313ACM	71806C	71917C	QJ217M	7206BTN	7234BM	7310BM	7414BM
7006AC	7218AC	7414AC	7204ACM	7314ACM	71807C	71918C	QJ218M	7207BTN	7236BM	7311BM	7416BM
7007AC	7219AC	7415AC	7205ACM	7315ACM	71808C	71919C	QJ219M	7208BTN	7238BM	7312BM	7432BM
7008AC	7220AC	7416AC	7206ACM	7316ACM	71809C	71920C	QJ220M	7209BTN	7240BM	7313BM
7009AC	7221AC		7207ACM	7317ACM	71810C	71921C	QJ222M	7210BTN	7244BM	7314BM
7571AC	7222AC	7000ACM	7208ACM	7318ACM	71811C	71922C	QJ224M	7211BTN	7248BM	7315BM
7011AC	7224AC	7001ACM	7209ACm	7319AC	71812C	71924C	QJ226M	7212BTN	7252 BM	7316BM
7012AC	7226AC	7002ACM	7210ACM	7320ACM	71813C	71926C	QJ228M	7213BTN	7256BM	7317BM
7013AC	7228AC	7003ACM	7211ACM	7321ACM	71814C	71928C	QJ230M	7214BTN	7260BM	7319BM
7014AC	7230AC	7004ACM	7212ACM	7322ACM	71815C	71930C	QJ232M	7215BTN	7264BM	7320BM
7015AC		7005ACM	7213ACM	7324ACM	71816C	71932C	QJ234M	7216BTN		7322BM
7016AC	7301AC	7006ACM	7214ACM	7326ACM	71817C	71934C	QJ236M	7217BTN		7324BM
7017AC	7302AC	7007ACM	7215ACM	7328ACM	71818C	71936C	QJ240M	7218BTN		7326BM
7018AC	7303AC	7008ACM	7216ACM	7330ACM	71819C	71938C	QJ244M		7301BTN	7328BM
7019AC	7304AC	7009ACM	7217ACM	7332ACM	71820C	71940C		7219BTN	7302BTN	7330BM
7571AC	7305AC	7571ACM	7218ACM	7334ACM	71821C			7220BTN		7332BM
7571AC	7306AC	7011ACM	7219ACM	7336ACM	71822C	QJ1018M	QJ305M	7222BTN	7304BTN	7334BM
7571AC	7307AC	7012ACM	7220ACM	7340ACM	71824C	QJ1571M	QJ306M	7224BTN	7305BTN	7336BM
7571AC	7308AC	7013ACM	7221ACM		71826C	QJ1571M	QJ307M	7226BTN	7306BTN	7338BM
7026AC	7309AC	7014ACM	7222ACM		71828C	QJ1571M	QJ308M		7307BTN	7340BM
7571AC	7310AC	7015ACM	7224ACM	7405ACM	71830C	QJ1026M	QJ309M		7308BTN	7344BM
7030AC	7311AC	7016ACM	7226ACM	7406ACM	71832C	QJ1571M	QJ310M		7309BTN	7318BM
7032AC	7312AC	7017ACM	7228ACM	7407ACM	71834C	QJ1030M	QJ311M	7206BM	7310BTN	7356BM
7034AC	7313AC	7018ACM	7230ACM	7408ACM	71836C	QJ1032M	QJ312M	7207BM	7311BTN
7036AC	7314AC	7019ACM	7232ACM	7409ACM	71838C	QJ1034M	QJ313M	7208BM	7312BTN
	7315AC	7571ACM	7234ACM	7410ACM	71840C	QJ1036M	QJ314M	7209BM	7313BTN
7200AC	7316AC	7571ACM	7236ACM	7411ACM		QJ1038M	QJ315M	7210BM	7314BTN
7201AC	7317AC	7571ACM	7238ACM	7412ACM	71901C	QJ1040M	QJ316M	7211BM	7315BTN
7202AC	7318AC	7571ACM	7240ACM	7413ACM	71902C	QJ1044M	QJ317M	7212BM	7316BTN
7203AC	7319AC	7026ACM	7244ACM	7414ACM	71903C	QJ1048M	QJ318M	7213BM	7317BTN
7204AC	7320AC	7571ACM		7415A0M	71904C		QJ319M	7214BM	7318BTN
7205AC	7321AC	7030ACM	7301ACM	7416ACM	71905C	QJ205M	QJ320M	7215BM	7319BTN
7206AC	7322AC	7032ACM	7302ACM	7417ACM	71906C	QJ206M	QJ322M	7216BM	7320BTN
7207AC	7324AC	7034ACM	7303ACM	7418ACM	71907C	QJ207M	QJ324M	7217BM	7322BTN
7208AC		7036ACM	7304A0M	7420ACM	71908C	QJ208M	QJ326M	7218BM
7209AC	7405AC	7038ACM	7305ACM	7432ACM	71909C	QJ209M	QJ328M	7219BM
7210AC	7406AC	7040ACM	7306ACM		71910C	QJ210M	QJ330M	7220BM
7211AC	7407AC	7044ACM	7307ACM		71911C	QJ211M	QJ336M	7222BM

Our business:Produce and customize various bearing brands. (Packaging and logo can be customized. All copyright belongs to the customer. We promise not to disclose any information.)
We can supply a wide range of Auto bearings. The bearings are widely applicable to themost of cars in the world.

Detailed Photos

Packaging & Shipping

Company Profile

HangZhou Haver Seiko Bearing Co.,Ltd. is a high-end Automotive bearing manufacturer from ZheJiang China. Its headquarters is located in HangZhou,ZheJiang Province.HangZhou Haver Seiko Bearing Co.,Ltd. Exports 80% of its auto parts,covering more than 40% countries in Europe,the Middle East,Southeast Asia, and South America.

As a high-end brand in the automotive bearing manufacturing industry, HangZhou Haver Seiko Bearing Co.,Ltd. has more than 20 years of experience in automotive design and manufacturing,and can meet the most stringent requirements of customers.

Exhibitions&Partners

FAQ

Q:Are you trading company or manufacturer?
–We are the company dealing in trading business and manufacturing business.

Q:What’s the MOQ?
–MOQ is 2pcs for standardized products; 300pcs for customized products. There is no MOQ for sample orders.

Q:How long is the lead time?
–The lead time for sample orders is 1-3 days, for bulk orders is generally in 3-15 days.The delivery time is generally in 2 days after payment. It’s according to the order amount.

Q:Do you offer free samples?
–If you place an order, we can return part of sample fee even all of fee to you. It also depends on the quantity of order and the type of sample. And you just need to pay freight.

Q: Could you customized for me?
–Sure,we can supply OEM service as per your drawing or samples.

/* 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:	Non-Aligning Bearing
Separated:	Unseparated

Samples:	US$ 0/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:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

rolling contact bearing

What is the impact of proper lubrication and maintenance on the performance and lifespan of rolling contact bearings?

Proper lubrication and maintenance have a significant impact on the performance and lifespan of rolling contact bearings. Adequate lubrication ensures smooth operation, reduces friction, prevents wear, and extends the service life of the bearings. Here’s a detailed explanation of the impact of proper lubrication and maintenance on rolling contact bearings:

Reduced Friction and Wear:

Proper lubrication forms a thin film of lubricant between the rolling elements and the raceways of the bearing. This lubricating film reduces friction and wear by minimizing direct metal-to-metal contact. It prevents the surfaces from rubbing against each other, reducing frictional forces and minimizing wear on the bearing components. Reduced friction and wear contribute to smoother operation, improved efficiency, and increased bearing lifespan.

Heat Dissipation:

Lubrication in rolling contact bearings helps dissipate heat generated during operation. The lubricant absorbs and carries away heat from the bearing, preventing excessive temperature rise. Adequate heat dissipation is crucial for maintaining proper operating conditions and preventing thermal damage to the bearing components. Proper lubrication ensures efficient heat transfer, which in turn contributes to the overall performance and durability of the bearing.

Protection Against Corrosion and Contamination:

Lubrication acts as a protective barrier, preventing corrosion and contamination of rolling contact bearings. The lubricant creates a barrier that shields the bearing surfaces from moisture, dust, dirt, and other contaminants that can lead to corrosion and premature wear. By providing a protective layer, proper lubrication helps maintain the integrity of the bearing components and extends their lifespan.

Load Distribution:

Proper lubrication ensures effective load distribution within rolling contact bearings. The lubricant helps distribute the applied loads evenly across the rolling elements and the raceways, minimizing stress concentrations and preventing premature fatigue failure. By promoting even load distribution, lubrication enhances the load-carrying capacity and longevity of the bearing.

Prevention of Excessive Clearance:

Over time, rolling contact bearings may experience wear, which can result in increased clearance between the rolling elements and the raceways. Proper lubrication helps reduce this clearance by filling the gaps and providing a cushioning effect. By minimizing excessive clearance, lubrication maintains the proper functioning and performance of the bearing, preventing issues such as vibration, noise, and reduced load-carrying capacity.

Maintenance and Inspection:

Regular maintenance and inspection are essential for optimizing the performance and lifespan of rolling contact bearings. Maintenance activities may include lubricant replenishment, cleaning, and periodic replacement of worn-out bearings. Regular inspections allow for the early detection of any signs of damage, excessive wear, or inadequate lubrication. Timely maintenance and inspections help identify and address potential issues before they escalate, ensuring the continued reliability and longevity of the bearings.

In conclusion, proper lubrication and maintenance significantly impact the performance and lifespan of rolling contact bearings. Adequate lubrication reduces friction, prevents wear, dissipates heat, and protects against corrosion and contamination. It promotes even load distribution and helps maintain the proper functioning of the bearing. Regular maintenance and inspections further ensure optimal performance and allow for timely intervention to address any potential issues. By following proper lubrication practices and conducting regular maintenance, the service life of rolling contact bearings can be extended, leading to improved efficiency, reduced downtime, and cost savings in various applications.

rolling contact bearing

Are there specific considerations for choosing rolling contact bearings in applications with extreme operating conditions or high precision requirements?

Operating Conditions:

Temperature: High-temperature applications require bearings with heat-resistant materials and lubricants designed to withstand elevated temperatures without degradation. Specialized heat treatment processes may be necessary to enhance the bearing’s ability to handle thermal expansion and avoid premature failure.
Speed: High-speed applications demand bearings that can operate at significantly higher rotational speeds without excessive friction, heat generation, or loss of precision. Factors such as cage design, lubrication, and material selection play a crucial role in achieving reliable performance at high speeds.
Corrosion and Chemical Resistance: In corrosive environments or applications exposed to chemicals, bearings with corrosion-resistant materials, such as stainless steel or ceramic, and appropriate sealing mechanisms are essential to prevent premature failure due to chemical attack or rust formation.
Vibration and Shock: Applications subject to high vibration or shock loads require bearings capable of withstanding these dynamic forces. Special designs, such as extra internal clearance or improved cage stability, may be necessary to ensure reliable operation under such conditions.

Precision Requirements:

Tolerance and Dimensional Stability: Bearings used in high-precision applications must have strict dimensional tolerances and excellent dimensional stability to ensure precise positioning and alignment. This requires careful control during the manufacturing process and the use of high-quality materials.
Runout and Radial Clearance: Runout, which refers to the deviation from perfect circularity, and radial clearance, which affects the internal play between the rolling elements and the raceways, must be tightly controlled to achieve the desired precision. Bearings with low runout and minimal radial clearance are preferred for high-precision applications.
Noise and Vibration: High-precision applications often require low noise and vibration levels. Bearings with optimized designs, such as improved cage stability, precision-ground raceways, and high-quality lubrication, help minimize noise and vibrations, ensuring accurate and quiet operation.
Lubrication: Proper lubrication is crucial for high-precision bearings to reduce friction, minimize wear, and maintain consistent performance. Lubricants with low viscosity, high stability, and excellent temperature characteristics are typically used in precision applications.

rolling contact bearing

What are rolling contact bearings, and how are they utilized in mechanical systems?

Rolling contact bearings are mechanical components used to facilitate smooth and efficient motion between two or more parts in a mechanical system. They utilize rolling elements, such as balls or rollers, to minimize friction and enable relative motion between the rotating or moving parts. Here’s a detailed explanation of rolling contact bearings and their utilization in mechanical systems:

Definition and Construction:

Rolling contact bearings consist of an inner ring, an outer ring, rolling elements (balls or rollers), and a cage or retainer that holds the rolling elements in position. The inner and outer rings have raceways, which are carefully machined surfaces that guide the rolling elements. The rolling elements roll between the raceways, reducing friction and enabling smooth rotation or linear motion.

Types of Rolling Contact Bearings:

There are various types of rolling contact bearings, including:

Ball Bearings: These bearings use spherical balls as rolling elements and are suitable for applications with light to moderate loads and high-speed requirements. Ball bearings are commonly used in motors, fans, household appliances, and automotive applications.
Roller Bearings: Roller bearings use cylindrical or tapered rollers as rolling elements. They can handle higher loads and provide better shock absorption than ball bearings. Roller bearings are often found in heavy machinery, construction equipment, and industrial applications.
Needle Bearings: Needle bearings are a type of roller bearing with long, thin rollers. They have a high load capacity and are used in applications where space is limited and high radial load support is required.
Thrust Bearings: Thrust bearings are designed to support axial loads and allow for rotational or linear motion in the axial direction. They are commonly used in automotive transmissions, machine tools, and thrust applications.
Tapered Roller Bearings: Tapered roller bearings have conical rollers and are designed to handle both radial and axial loads. They are commonly used in wheel bearings, gearboxes, and heavy-duty applications.

Utilization in Mechanical Systems:

Rolling contact bearings are utilized in various mechanical systems for several reasons:

Reduced Friction: By utilizing rolling elements, rolling contact bearings minimize friction compared to sliding contact bearings. This reduces energy losses, heat generation, and wear, resulting in improved efficiency and extended service life of the mechanical system.
Smooth Motion: Rolling contact bearings enable smooth and controlled motion between components. They allow for low-friction rotation or linear movement, providing precise and reliable operation in a wide range of applications.
Load Distribution: Rolling contact bearings distribute loads evenly across their contact surfaces, reducing stress concentrations and preventing premature wear or failure. This enables mechanical systems to handle various loads and forces without compromising performance.
Positional Accuracy: Rolling contact bearings help maintain accurate positioning of components in mechanical systems, ensuring alignment and reducing the risk of misalignment-related issues. This is crucial in precision machinery, robotics, and other applications where positional accuracy is essential.
Versatility: Rolling contact bearings are available in different sizes, configurations, and materials to suit a wide range of applications. They can accommodate different load capacities, speeds, and environmental conditions, making them adaptable and versatile in various mechanical systems.

In summary, rolling contact bearings are essential components in mechanical systems. They utilize rolling elements to minimize friction, enable smooth motion, distribute loads, and provide positional accuracy. By utilizing rolling contact bearings, mechanical systems can achieve efficient and reliable operation in a wide range of applications, from small appliances to heavy machinery and industrial equipment.

China best Angular Contact Ball Bearing 7200 Series Bulk Stock Automobile, Mechanical Parts 7201AC 7202AC 7201acm 7202acm 7201btn 7202btn bearing bronze
editor by CX 2024-03-27

China Standard Rolling Bearing/Slewing Bearing/Bushing/Bearing Housing/Pillow Block/Angular Contact/Motorcycle Spare Parts/Car Accessories/Motorcycle Parts Bearing Ucf309 wholesaler

Product Description

Most of the outer spherical bearings are made of a spherical outer diameter, and are installed together with an imported bearing seat with a spherical inner hole. The structure is diverse, and the versatility and interchangeability are good.At the same time, this type of bearing also has a certain degree of alignment in design, is easy to install, and has a dual-structure sealing device that can work in harsh environments. The bearing seat is generally formed by casting.

UCF200(normal-duty)
Bearing unit	Shaft Dia.	Dimension(in)or(mm)									Bolt used	Bearing	Weight
No.	D(mm)	a	e	i	g	l	s	z	Bi	n	(mm)	No.	(kg)
UCF205	25	95	70	16	14	27	12	35.7	34	14.3	M10	UC205	0.82
UCF206	30	108	83	18	14	31	12	40.2	38.1	15.9	M10	UC206	1.1
UCF207	35	117	92	19	16	34	14	44.4	42.9	17.5	M12	UC207	1.5
UCF208	40	130	102	21	16	36	16	51.2	49.2	19	M14	UC208	1.9
UCF209	45	137	105	22	18	38	16	52.2	49.2	19	M14	UC209	2.3
UCF210	50	143	111	22	18	40	16	54.6	51.6	19	M14	UC210	2.5
UCF211	55	162	130	25	20	43	19	58.4	55.6	22.2	M16	UC211	3.4
UCF212	60	175	143	29	20	48	19	68.7	65.1	25.4	M16	UC212	4.4
UCF213	65	187	149	30	20	50	19	69.7	65.1	25.4	M16	UC213	5.3
UCF214	70	193	152	31	24	54	19	75.4	74.6	30.2	M16	UC214	6

UCF300(heavy-duty)
Bearing unit	Shaft Dia.	Dimension(in)or(mm)									Bolt used	Bearing	Weight
No.	D(mm)	a	e	i	g	l	s	z	Bi	n	(mm)	No.	(kg)
UCF305	25	110	80	16	13	29	16	39	38	15	M14	UC205	1.2
UCF306	30	125	95	18	15	32	16	44	43	17	M14	UC206	1.8
UCF307	35	135	100	20	16	36	19	49	48	19	M16	UC207	2.2
UCF308	40	150	112	23	17	40	19	56	52	19	M16	UC208	3
UCF309	45	160	125	25	18	44	19	60	57	22	M16	UC209	3.8
UCF310	50	175	132	28	19	48	23	67	61	22	M20	UC210	4.9
UCF311	55	185	140	30	20	52	23	71	66	25	M20	UC211	5.6
UCF312	60	195	150	33	22	56	23	78	71	26	M20	UC212	6.8
UCF313	65	208	166	33	22	58	23	78	75	30	M20	UC213	7.8
UCF314	70	226	178	36	25	61	25	81	78	33	M22	UC214	9.8

ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings.
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We’re looking forward to your order.
FAQ

1.Is the company a production factory or a trading company?
ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.
/* 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

Aligning:	Non-Aligning Bearing
Separated:	Unseparated
Feature:	High Temperature, High Speed
Rows Number:	Single
Raceway:	Deep Groove Raceway
Material:	Bearing Steel

Samples:	US$ 2/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

rolling contact bearing

Can rolling contact bearings be customized or modified to meet specific industrial requirements?

Yes, rolling contact bearings can be customized or modified to meet specific industrial requirements. Bearing manufacturers offer a range of customization options to tailor bearings to unique application needs. These customizations can include modifications in design, materials, dimensions, and performance characteristics. Here’s a detailed explanation of the customization possibilities for rolling contact bearings:

Design Modifications:

Bearing manufacturers can modify the design of rolling contact bearings to suit specific industrial requirements. This can involve altering the internal geometry, such as ball or roller profiles, cage design, or the number and arrangement of rolling elements. Design modifications aim to optimize the bearing’s load-carrying capacity, speed capability, or resistance to specific operating conditions. By customizing the design, manufacturers can address unique challenges and enhance the performance of rolling contact bearings in specific applications.

Material Selection:

Rolling contact bearings can be customized by choosing specific materials for their components. Material selection depends on factors such as load requirements, operating temperatures, corrosion resistance, and lubrication conditions. Bearing manufacturers offer a variety of materials for various components, including bearing rings, rolling elements, cages, and seals. For example, high-temperature applications may require bearing rings made of heat-resistant steel or ceramic rolling elements to withstand the elevated temperatures. By selecting appropriate materials, rolling contact bearings can be customized to optimize their performance and reliability in specific industrial environments.

Dimensional Modifications:

Bearing dimensions can be customized to meet specific industrial requirements. This may involve adjusting the inner and outer ring diameters, bore and outer diameter tolerances, or overall bearing width. Dimensional modifications are particularly useful when retrofitting bearings into existing equipment with unique space constraints. Customized dimensional changes ensure proper fitment and compatibility with the surrounding components, enabling seamless integration of rolling contact bearings into the target application.

Sealing and Lubrication:

Sealing arrangements and lubrication options can be customized for rolling contact bearings. The choice of seals and lubricants depends on the desired level of contamination protection, operating temperatures, and specific requirements of the application. Customized sealing arrangements can include various types of seals, such as contact seals, non-contact seals, or specialized labyrinth seals, to prevent the ingress of contaminants and retain lubrication. Lubrication customization can involve selecting different types of lubricants, additives, or applying specific lubrication methods to optimize the bearing’s performance and extend its service life in specific industrial settings.

Specialized Coatings and Surface Treatments:

To enhance the performance and durability of rolling contact bearings, manufacturers offer specialized coatings and surface treatments. These modifications can include applying corrosion-resistant coatings, low-friction coatings, or protective surface treatments to improve wear resistance or reduce frictional losses. Specialized coatings and surface treatments can be customized to specific industrial requirements, providing enhanced performance, longer service life, and improved reliability in challenging operating conditions.

Customization options for rolling contact bearings ensure that they can be tailored to meet the specific needs of various industries and applications. By collaborating with bearing manufacturers and providing detailed application requirements, industrial users can benefit from customized bearings that offer optimized performance, increased reliability, and extended service life in their specific operating environments.

rolling contact bearing

Can you provide guidance on the selection and sizing of rolling contact bearings for specific applications?

Yes, I can provide guidance on the selection and sizing of rolling contact bearings for specific applications. Choosing the right rolling contact bearings involves considering various factors such as load requirements, operating conditions, speed, and environmental factors. Here’s a detailed explanation of the steps involved in selecting and sizing rolling contact bearings:

Identify Application Requirements:

Start by identifying the specific requirements of your application. Consider factors such as the type and magnitude of the loads the bearing will be subjected to, the operating speed, and any special environmental conditions like temperature, moisture, or exposure to corrosive substances. Understanding these requirements is crucial as it forms the basis for selecting the appropriate rolling contact bearing.

Analyze Load Conditions:

Next, analyze the load conditions acting on the bearing. Determine if the load is radial, axial, or a combination of both. Consider factors such as the magnitude, direction, and frequency of the load. This analysis helps in determining the appropriate bearing type, such as deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings, or tapered roller bearings, that can handle the specific load conditions effectively.

Calculate Equivalent Load:

Calculate the equivalent load acting on the bearing. In cases where the load acting on the bearing is a combination of radial and axial loads, it is necessary to calculate the equivalent load. The equivalent load accounts for the differing effects of radial and axial loads on the bearing and helps in determining the required bearing size and capacity.

Consider Speed and Operating Conditions:

Take into account the speed at which the bearing will operate and the specific operating conditions. Higher speeds may require bearings with special design features or materials to handle the increased centrifugal forces and temperature rise. Consider factors such as lubrication requirements, temperature limits, and any special considerations for factors like shock loads, vibrations, or misalignment. These factors influence the selection of appropriate bearing types and configurations.

Consult Bearing Manufacturer’s Catalogs:

Refer to the catalogs or technical specifications provided by bearing manufacturers. These catalogs contain detailed information about various bearing types, sizes, load ratings, and performance characteristics. Use the information provided to narrow down the options based on your application requirements and load calculations.

Verify Bearing Life:

Check the calculated bearing life to ensure it meets the required operational lifespan of your application. Bearing manufacturers provide life calculation formulas based on industry standards such as ISO or ABMA. These formulas take into account factors like load, speed, and reliability requirements to estimate the expected bearing life. Verify that the selected bearing will provide the desired operational lifespan under the given operating conditions.

Consider Mounting and Dismounting:

Lastly, consider the ease of mounting and dismounting the bearing in your specific application. Evaluate factors such as the bearing’s fit tolerance, the required clearance or preload, and any special mounting or dismounting procedures. Ensure that the selected bearing can be easily installed and maintained in your application.

It is important to note that the selection and sizing of rolling contact bearings can be complex, and it is advisable to seek the assistance of bearing manufacturers, engineers, or experts in the field to ensure the optimal selection for your specific application.

rolling contact bearing

What are rolling contact bearings, and how are they utilized in mechanical systems?

Definition and Construction:

Types of Rolling Contact Bearings:

There are various types of rolling contact bearings, including:

Ball Bearings: These bearings use spherical balls as rolling elements and are suitable for applications with light to moderate loads and high-speed requirements. Ball bearings are commonly used in motors, fans, household appliances, and automotive applications.
Roller Bearings: Roller bearings use cylindrical or tapered rollers as rolling elements. They can handle higher loads and provide better shock absorption than ball bearings. Roller bearings are often found in heavy machinery, construction equipment, and industrial applications.
Needle Bearings: Needle bearings are a type of roller bearing with long, thin rollers. They have a high load capacity and are used in applications where space is limited and high radial load support is required.
Thrust Bearings: Thrust bearings are designed to support axial loads and allow for rotational or linear motion in the axial direction. They are commonly used in automotive transmissions, machine tools, and thrust applications.
Tapered Roller Bearings: Tapered roller bearings have conical rollers and are designed to handle both radial and axial loads. They are commonly used in wheel bearings, gearboxes, and heavy-duty applications.

Utilization in Mechanical Systems:

Rolling contact bearings are utilized in various mechanical systems for several reasons:

Reduced Friction: By utilizing rolling elements, rolling contact bearings minimize friction compared to sliding contact bearings. This reduces energy losses, heat generation, and wear, resulting in improved efficiency and extended service life of the mechanical system.
Smooth Motion: Rolling contact bearings enable smooth and controlled motion between components. They allow for low-friction rotation or linear movement, providing precise and reliable operation in a wide range of applications.
Load Distribution: Rolling contact bearings distribute loads evenly across their contact surfaces, reducing stress concentrations and preventing premature wear or failure. This enables mechanical systems to handle various loads and forces without compromising performance.
Positional Accuracy: Rolling contact bearings help maintain accurate positioning of components in mechanical systems, ensuring alignment and reducing the risk of misalignment-related issues. This is crucial in precision machinery, robotics, and other applications where positional accuracy is essential.
Versatility: Rolling contact bearings are available in different sizes, configurations, and materials to suit a wide range of applications. They can accommodate different load capacities, speeds, and environmental conditions, making them adaptable and versatile in various mechanical systems.

China Standard Rolling Bearing/Slewing Bearing/Bushing/Bearing Housing/Pillow Block/Angular Contact/Motorcycle Spare Parts/Car Accessories/Motorcycle Parts Bearing Ucf309 wholesaler
editor by CX 2024-03-25

China manufacturer Rolling Bearing/Slewing Bearing/Bushing/Bearing Housing/Pillow Block/Angular Contact Ball/Motorcycle Spare Parts/Car Accessories/Motorcycle Parts Bearing Ru178X with Good quality

Product Description

Features of Crossed Roller Bearings
Structural features: Crossed roller bearings are cylindrical rollers arranged perpendicular to each other on the 900 V-groove rolling surface through spacers, so the crossed roller bearings can bear radial load, axial load and moment load, etc. Multi-directional load. The size of the inner and outer rings is miniaturized, and the ultra-thin form is even closer to the limit of small size, and has high rigidity, and the accuracy can reach P4 and P2 levels. Therefore, it is suitable for joints and rotating parts of industrial robots, rotating tables of machining centers, manipulator rotating parts, precision rotating tables, medical machines, calculators, IC manufacturing devices and other equipment.
Rotation accuracy: the vertical arrangement of the rollers in the bearing is equipped with spacers, which prevents the inclination of the rollers and the mutual friction between the rollers, and reduces the rotating torque. In addition, compared with the previous use of steel plate cages, there will be no roller contact or lock-up phenomenon on 1 side. At the same time, because the inner ring or the outer ring is a two-part structure, the bearing gap can be adjusted, even if preload is applied, high-precision rotational movement can be obtained.
Usage characteristics: The divided inner ring or outer ring is fixed with the cross roller ring after the rollers and spacers are installed to prevent separation from each other, so the operation is simple when installing the cross roller ring. The spacer retainer eliminates the friction between the rollers, prevents the rollers from sideways, and can obtain a stable rotation torque. Since the rollers are arranged in a cross, it can withstand loads in all directions with only 1 set of cross roller rings. Compared with the conventional model, the rigidity is increased by 3 to 4 times.

Shaft diameter	Nominal model	Main dimensions mm					Installation sizemm		Basic load rating (radial)		weight
mm
		Inner diameter	Outer diameter	width		Roller pitch diameter	S	h	Dynamic load C	Static load kN	kg
		d	D	B	r_min	dp			kN
10	RU28	10	52	8	0.3	27.5	24	29.5	2.9	2.4	0.12
20	RU42	20	70	12	0.6	41.5	37	47	7.35	8.35	0.29
25	RU53	25	80	12	0.6	52.5	46.5	58.5	8.61	10.6	0.4
35	RU66	35	95	15	0.6	66	59	74	17.5	22.3	0.62
55	RU85	55	120	15	0.6	85	79	93	20.3	29.5	1
80	RU124(G)	80	165	22	1	124	114	134	33.1	50.9	2.6
	RU124X					124
90	RU148(G)	90	210	25	1.5	148	133	162	49.1	76.8	4.9
	RU148X					148
115	RU178(G)	115	240	28	1.5	178	161	195	80.3	135	6.8
	RU178X					178
160	RU228(G)	160	295	35	2	228	208	246	104	172	11.4
	RU228X					228
210	RU297(G)	210	380	40	2.5	297	272	320	156	281	21.3
	RU297X					297
350	RU445(G)	350	540	45	2.5	445	417	473	222	473	35.4

Our company has an experienced rolling bearing research and development team, modern bearing production, bearing testing equipment and instruments, mature bearing production technology and strong independent research and development capabilities for non-standard, special and special bearings. The company will wholeheartedly provide high-quality bearing products for the equipment manufacturing industry.
The inner diameter size of our bearing products is 3~5000mm, and the structural forms include: deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings, crossed cylindrical roller bearings, tapered roller bearings, thrust ball bearings, thrust roller bearings, Various slewing bearings, one-way rotating bearings, combined bearings and roller bearings, etc.
The company’s products are widely used in: precision machine tools, machining centers, industrial robots, harmonic reducers, precision spindles and turntables, CNC welding machines, automobiles and automobile production lines, electronic and electrical equipment lines, building materials machinery, high-voltage switches, high-speed wire mills, textiles Machinery, petroleum and natural gas industries, ports, mining and hoisting steel wire rope industries; automotive tire radial knitting machines; steel wire rope knitting machines; silicon wafer cutting machines; industrial (automobiles and household appliances) coating lines and other fields.
FAQ

1.Is the company a production factory or a trading company?

ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.

/* 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

Standard or Nonstandard:	Standard
Feature:	High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland:	Non-Seal
Rolling-Element Number:	Single-Row
Roller Type:	Crowned Raceway
Material:	Bearing Steel

Samples:	US$ 26/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

rolling contact bearing

What are the potential challenges or limitations associated with using rolling contact bearings in various industries?

Rolling contact bearings offer numerous benefits and are widely used in various industries. However, there are certain challenges and limitations associated with their use. It is important to understand these potential issues to ensure proper application and mitigate any adverse effects. Here’s a detailed explanation of the challenges and limitations associated with using rolling contact bearings:

Load Capacity:

While rolling contact bearings are designed to handle substantial loads, there are limitations to their load capacity. Exceeding the specified load limits can lead to premature wear, increased friction, and potentially catastrophic failure. It is crucial to consider the expected loads in the application and select bearings with appropriate load ratings and configurations. In some high-load applications, alternative bearing types, such as spherical roller bearings or tapered roller bearings, may be more suitable to handle the specific load requirements.

Speed Limitations:

Rolling contact bearings have speed limitations that need to be considered in high-speed applications. At high rotational speeds, centrifugal forces can affect the performance and reliability of rolling contact bearings. The limitation is primarily due to factors such as the bearing’s internal clearance, cage design, lubrication, and the potential for increased heat generation. To overcome speed limitations, specialized high-speed bearings with improved designs and materials, such as ceramic balls or hybrid bearings, may be used in certain applications.

Maintenance and Lubrication:

Proper maintenance and lubrication are essential for the reliable operation of rolling contact bearings. Inadequate lubrication or improper maintenance practices can result in increased friction, heat buildup, and premature wear. It is important to follow the manufacturer’s recommendations for lubrication intervals, lubricant selection, and application methods. In some applications, such as high-temperature environments or extreme operating conditions, special considerations may be required to ensure effective lubrication and prevent bearing failure.

Environmental Factors:

Rolling contact bearings can be sensitive to certain environmental factors. Exposure to contaminants, such as dirt, dust, moisture, or aggressive chemicals, can lead to accelerated wear and corrosion. In industries where the operating environment is harsh or contaminated, additional protective measures, such as sealing arrangements or the use of specialized coatings, may be necessary to enhance the bearing’s resistance to environmental factors. It is important to evaluate the specific environmental conditions and select bearings that are suitable for the intended application.

Installation and Alignment:

Improper installation or misalignment of rolling contact bearings can result in reduced performance and premature failure. Achieving accurate alignment and proper fitment during installation is crucial. Misalignment can lead to increased friction, uneven load distribution, and potential damage to the bearing surfaces. It is necessary to follow the manufacturer’s installation guidelines, use appropriate tools, and employ precision alignment techniques to ensure optimal performance and longevity of the bearings.

Size and Space Constraints:

In some applications, size and space constraints may limit the use of rolling contact bearings. The available space for bearing installation may be limited, requiring the use of compact or specialized bearing designs. Additionally, certain applications may demand high load-carrying capacity within a restricted envelope, necessitating careful bearing selection and possibly the use of alternative bearing types. It is important to consider the space limitations and select bearings that can accommodate the specified requirements while fitting within the available space.

While rolling contact bearings offer numerous advantages, it is essential to be aware of the potential challenges and limitations associated with their use. By understanding these factors and taking appropriate measures, such as careful selection, proper maintenance, and adherence to installation guidelines, the performance and reliability of rolling contact bearings can be optimized in various industries and applications.

rolling contact bearing

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.

rolling contact bearing

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.

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editor by CX 2024-03-23