Product Description
NACHI Angular Contact Ball Bearings 7206CY P5
Applications
The raceways of angular contact ball bearing in the inner and outer rings can have relative displacement on the horizontal axis. Therefore, this design can make it withstand combined loads, namely, supporting radial and axial loads simultaneously. The axial load capacity of angular contact ball bearing improves with the increasing contact angle.
BearingNo. | Bore(mm) | O.D.(mm) | Width(mm) | Weight (lbs) |
7308 | 40 | 90 | 23 | 1.38 |
7309 | 45 | 100 | 25 | 1.85 |
7310 | 50 | 110 | 27 | 2.40 |
7311 | 55 | 120 | 29 | 3.06 |
7312 | 60 | 130 | 31 | 3.84 |
7313 | 65 | 140 | 33 | 4.65 |
7314 | 70 | 150 | 35 | 5.64 |
7315 | 75 | 160 | 37 | 6.77 |
7316 | 80 | 170 | 39 | 8.05 |
7317 | 85 | 180 | 41 | 9.57 |
7318 | 90 | 190 | 43 | 11.2 |
7319 | 95 | 200 | 45 | 13.0 |
7320 | 100 | 215 | 47 | 15.8 |
7321 | 105 | 225 | 49 | 18.1 |
7322 | 110 | 240 | 50 | 21.2 |
7324 | 120 | 260 | 55 | 32.4 |
7326 | 130 | 280 | 58 | 38.8 |
7328 | 140 | 300 | 62 | 47.4 |
7330 | 150 | 320 | 65 | 55.3 |
7332 | 160 | 340 | 68 | 65.7 |
7334 | 170 | 360 | 72 | 77.8 |
7336 | 180 | 380 | 75 | 90.2 |
7338 | 190 | 400 | 78 | 104 |
7340 | 200 | 420 | 80 | 117 |
7000C | 10 | 26 | 8 | 0.042 |
designation | Dimensions | ||
d (mm) | D (mm) | B (mm) | |
7206 BEGBP * | 30 | 62 | 16 |
7206 BECBM * | 30 | 62 | 16 |
7306 BEP | 30 | 72 | 19 |
7306 BEY | 30 | 72 | 19 |
7306 BECBY | 30 | 72 | 19 |
7306 BEGBY | 30 | 72 | 19 |
7306 BECBP * | 30 | 72 | 19 |
7306 BEGAP * | 30 | 72 | 19 |
7306 BEGBP * | 30 | 72 | 19 |
7306 BECBM * | 30 | 72 | 19 |
7306 BEGAM * | 30 | 72 | 19 |
7306 BEGBM * | 30 | 72 | 19 |
7406 BM | 30 | 90 | 23 |
7406 BCBM | 30 | 90 | 23 |
7207 BEP | 35 | 72 | 17 |
7207 BEY | 35 | 72 | 17 |
7207 BECBY | 35 | 72 | 17 |
7207 BEGAY | 35 | 72 | 17 |
7207 BEGBY | 35 | 72 | 17 |
7207 BECBP * | 35 | 72 | 17 |
7207 BEGAP * | 35 | 72 | 17 |
7207 BEGBP * | 35 | 72 | 17 |
7207 BECBM * | 35 | 72 | 17 |
7207 BEGAM * | 35 | 72 | 17 |
7307 BEP | 35 | 80 | 21 |
7307 BEY | 35 | 80 | 21 |
7307 BECBY | 35 | 80 | 21 |
7307 BECBP * | 35 | 80 | 21 |
7307 BEGAP * | 35 | 80 | 21 |
7307 BEGBP * | 35 | 80 | 21 |
7307 BECBM * | 35 | 80 | 21 |
7407 BM | 35 | 100 | 25 |
7407 BCBM | 35 | 100 | 25 |
7208 BEP | 40 | 80 | 18 |
7208 BEM | 40 | 80 | 18 |
7208 BECBJ | 40 | 80 | 18 |
7208 BEY | 40 | 80 | 18 |
7208 BECBY | 40 | 80 | 18 |
7208 BEGAY | 40 | 80 | 18 |
7208 BEGBY | 40 | 80 | 18 |
7208 BECBP * | 40 | 80 | 18 |
7208 BEGAP * | 40 | 80 | 18 |
7208 BECBM * | 40 | 80 | 18 |
7208 BEGAM * | 40 | 80 | 18 |
7308 BEP | 40 | 90 | 23 |
7308 BECBJ | 40 | 90 | 23 |
7308 BEY | 40 | 90 | 23 |
7308 BECBY | 40 | 90 | 23 |
7308 BECCY | 40 | 90 | 23 |
7308 BEGBY | 40 | 90 | 23 |
7308 BEGAF | 40 | 90 | 23 |
7308 BECBP * | 40 | 90 | 23 |
7308 BECAP * | 40 | 90 | 23 |
7308 BEGAP * | 40 | 90 | 23 |
7308 BEGBP * | 40 | 90 | 23 |
7308 BECBPH * | 40 | 90 | 23 |
7308 BECBM * | 40 | 90 | 23 |
7308 BEGAM * | 40 | 90 | 23 |
7308 BEGBM * | 40 | 90 | 23 |
7408 BM | 40 | 110 | 27 |
7408 BCBM | 40 | 110 | 27 |
7408 BGBM | 40 | 110 | 27 |
7209 BEP | 45 | 85 | 19 |
7209 BECBJ | 45 | 85 | 19 |
7209 BEY | 45 | 85 | 19 |
7209 BECBY | 45 | 85 | 19 |
7209 BEGAY | 45 | 85 | 19 |
7209 BEGBY | 45 | 85 | 19 |
7209 BECBP * | 45 | 85 | 19 |
7209 BEGAP * | 45 | 85 | 19 |
7209 BECBM * | 45 | 85 | 19 |
7309 BEP | 45 | 100 | 25 |
7309 BECBJ | 45 | 100 | 25 |
7309 BEY | 45 | 100 | 25 |
7309 BECBY | 45 | 100 | 25 |
7309 BEGBY | 45 | 100 | 25 |
7309 BECBP * | 45 | 100 | 25 |
7309 BECAP * | 45 | 100 | 25 |
7309 BEGAP * | 45 | 100 | 25 |
7309 BEGBP * | 45 | 100 | 25 |
7309 BECBPH * | 45 | 100 | 25 |
7309 BECBM * | 45 | 100 | 25 |
7409 BCBM | 45 | 120 | 29 |
7409 BGBM | 45 | 120 | 29 |
7409 BGM | 45 | 120 | 29 |
7210 BEP | 50 | 90 | 20 |
7210 BECBJ | 50 | 90 | 20 |
7210 BEY | 50 | 90 | 20 |
7210 BECBY | 50 | 90 | 20 |
Bearing No. | Boundary Dimensions(mm) | Basic Load Ratings(N) | Limiting Speeds (RPM) | Mass(kg) | ||||||
d | D | B | r min | r1 min | Cr | C0r | Grease | Oil | approx | |
7901A5 | 12 | 24 | 6 | 0.3 | 0.15 | 3 200 | 1 770 | 38 000 | 53 000 | 0.011 |
7901C | 24 | 6 | 0.3 | 0.15 | 3 350 | 1 860 | 45 000 | 63 000 | 0.011 | |
7001A | 28 | 8 | 0.3 | 0.15 | 5 800 | 2 980 | 28 000 | 38 000 | 0.571 | |
7001C | 28 | 8 | 0.3 | 0.15 | 5 800 | 2 900 | 40 000 | 56 000 | 0.571 | |
7201A | 32 | 10 | 0.6 | 0.3 | 8 000 | 4 050 | 26 000 | 34 000 | 0.037 | |
7201B | 32 | 10 | 0.6 | 0.3 | 7 450 | 3 750 | 18 000 | 26 000 | 0.038 | |
7201C | 32 | 10 | 0.6 | 0.3 | 7 900 | 3 850 | 36 000 | 50 000 | 0.041 | |
7301A | 37 | 12 | 1 | 0.6 | 9 450 | 4 500 | 18 000 | 24 000 | 0.06 | |
7301B | 37 | 12 | 1 | 0.6 | 8 850 | 4 200 | 16 000 | 22 000 | 0.062 |
7000C | 7006C | 7012C | 7018C | 7571CDB | 7200CDF | 7203A5DP | QJ206 | 7210AW |
7000CDB | 7006CDB | 7012CDB | 7018CDB | 7571CDF | 7200CDT | 7203B | 7207CDB | 7210A5 |
7000CDF | 7006CDF | 7012CDF | 7018CDF | 7571CDT | 7200AW | 7203BDB | 7207CDF | 7210A5DB |
7000CDT | 7006CDT | 7012CDT | 7018CDT | 7571AW | 7200A5 | 7203BDF | 7207CDT | 7210A5DF |
7000AW | 7006AW | 7012AW | 7018AW | 7571ADB | 7200A5DB | 7203BDT | 7207AW | 7210A5DT |
7000A5DB | 7006A5DB | 7012A5DB | 7018A5DB | 7571A5DF | 7200A5DF | 5203 | 7207A5 | 7210B |
7000A5DF | 7006A5DF | 7012A5DF | 7018A5DF | 7571A5DF | 7500A5DT | 7204C | 7207A5DB | 7210BDB |
7000A5DT | 7005A5DT | 7012A5DT | 7018A5DT | 7571A5DT | 7200B | 7204CDB | 7207A5DF | 7210BDF |
7001C | 7007C | 7013C | 7019C | 7026CDB | 7200BDB | 7204CDF | 7207A5DT | 7210BDT |
7001CDB | 7007CDB | 7013CDB | 7019CDB | 7026CDF | 7200BDF | 7204CDT | 7207BDB | 5210 |
7001CDF | 7007CDF | 7013CDF | 7019CDF | 7026CDT | 7200BDT | 7204AW | 7207B | QJ210 |
7001CDT | 7007CDT | 7013CDT | 7019CDT | 7026AW | 5200 | 7204A5 | 7207BDF | 7211C |
7001AW | 7007AW | 7013AW | 7019AW | 7026ADB | 7201C | 7204A5DB | 7207BDT | 7211CDB |
7001A5DB | 7007A5DB | 7013A5DB | 7019A5DB | 7026A5DF | 7201CDB | 7205A5DF | 5207 | 7211CDF |
7001A5DF | 7007A5DF | 7013A5DF | 7019A5DF | 7026A5DT | 7201CDF | 7204A5DT | QJ207 | 7211CDT |
7001A5DT | 7007A5DT | 7013A5DT | 7019A5DT | 7571CDB | 7201CDT | 7204B | 7208C | 7211AW |
7002C | 7008C | 7014C | 7571C | 7571CDF | 7201AW | 7204BDB | 7208CDB | 7211A5 |
7002CDB | 7008ACDB | 7014CDB | 7571CDB | 7571CDT | 7201A5 | 7204BDF | 7208CDF | 7211A5DB |
7002CDF | 7008CDF | 7014CDF | 7571CDF | 7571AW | 7201A5DB | 7204BDT | 7208CDT | 7211A5DF |
7002CDT | 7008CDT | 7014CDT | 7571CDT | 7571ADB | 7201A5DF | 5204 | 7208AW | 7211A5DT |
7002AW | 7008AW | 7014AW | 7571AW | 7030CDB | 7201A5DT | 7205C | 7208A5 | 7211B |
7002A5DB | 7008A5DB | 7014A5DB | 7571A5DB | 7030CDF | 7201B | 7205CDB | 7208A5DB | 7211BDB |
02A5DF | 7008A5DF | 7014A5DF | 7571A5DF | 7030CDT | 7201BDB | 7205CDF | 7208A5DF | 7211BDF |
7002A5DT | 7008A5DT | 7014A5DT | 7571A5DT | 7030AW | 7201BDF | 7205CDT | 7208A5DT | 7211BDT |
7003C | 7009C | 7015C | 7571C | 7030ADB | 7201BDT | 7205AW | 7208B | 5211 |
7003CDB | 7009CDB | 7015CDB | 7571CDB | 7032CDB | 5201 | 7205A5DF | 7208BDB | 7212C |
7003CDF | 7009CDF | 7015CDF | 7571CDF | 7032CDF | 7202C | 7205A5DB | 7208BDF | 7212CDB |
7003CDT | 7009CDT | 7015CDT | 7571CDT | 7032CDT | 7202CDB | 7205A5DF | 7208BDT | 7212CDF |
7003AW | 7009AW | 7015AW | 7571AW | 7032AW | 7202CDF | 7205A5DT | 5208 | 7212CDT |
7003A5DB | 7009A5DB | 7015A5DB | 7571A5DB | 7032ADB | 7202CDT | 7205B | QJ208 | 7212AW |
7003A5DF | 7009A5DF | 7015A5DF | 7571A5DF | 7034CDB | 7202AW | 7205BDB | 7209C | 7212A5 |
7003A5DT | 7009A5DT | 7015A5DT | 7571A5DT | 7034CDF | 7202A5 | 7205BDF | 7209CDB | 7212A5DB |
7004C | 7571C | 7016C | 7571C | 7034CDT | 7205A5DB | 7205BDT | 7209CDF | 7212A5DF |
7004CDB | 7571CDB | 7016CDB | 7571CDB | 7034AW | 7205A5DF | 5202 | 7209CDT | 7212A5DT |
7004CDF | 7571CDF | 7016CDF | 7571CDF | 7034ADB | 7202A5DT | 7206C | 7209AW | 7212B |
7004CDT | 7571CDT | 7016CDT | 7571CDT | 7036CDB | 7202B | 7206CDB | 7209A5 | 7212BDB |
7004AW | 7571AW | 7016AW | 7571AW | 7036CDF | 7202BDB | 7206CDF | 7209A5DB | 7212BDF |
7004A5DB | 7571A5DB | 7016A5DB | 7571A5DB | 7036CDT | 7202BDF | 7206CDT | 7209A5DF | 7212BDT |
7004A5DF | 7571A5DF | 7016A5DF | 7571A5DF | 7036AW | 7202BDT | 7206AW | 7209A5DT | 5212 |
7005A5DT | 7571A5DT | 7016A5DT | 7571A5DT | 7038CDB | 5202 | 7206A5 | 7209B | QJ212 |
7005C | 7011C | 7017C | 7571C | 7038CDF | 7203C | 7206A5DB | 7209BDF | 7213C |
7005CDB | 7011CDB | 7017CDB | 7571CDB | 7038CDT | 7203CDB | 7206A5DF | 7209BDT | 7213CDB |
7005CDF | 7011CDF | 7017CDF | 7571CDF | 7038AW | 7203CDF | 7206A5DT | 5209 | 7213CDF |
7005CDT | 7011CDT | 7017CDT | 7571CDT | 7040CDB | 7203CDT | 7206B | QJ209 | 7213CDT |
7005AW | 7011AW | 7017AW | 7571AW | 7040CDF | 7203AW | 7206BDB | 7210C | 7213AW |
7005A5DB | 7011A5DB | 7017A5DB | 7571A5DB | 7040CDT | 7203A5 | 7206BDF | 7210CDB | 7213A5 |
7005A5DF | 7011A5DF | 7017A5DF | 7571A5DF | 7200C | 7203A5DB | 7206BDT | 7210CDF | 7213A5DB |
7005A5DT | 7011A5DT | 7017A5DT | 7571A5DT | 7200CDB |
/* 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(/(.*?):(.*)$/))&&1
Separated: | Unseparated |
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Load Direction: | Radial Bearing |
Material: | Bearing Steel |
Sample: | Availabe |
OEM: | Acceptable |
Precision Rating: | ABEC1 ABEC3 ABEC5 ABEC7 ABEC9 |
Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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How do innovations and advancements in rolling contact bearing technology impact their use?
Innovations and advancements in rolling contact bearing technology have a significant impact on their use in various industries. These advancements drive improvements in performance, reliability, efficiency, and versatility of rolling contact bearings. Here’s a detailed explanation of how innovations and advancements in rolling contact bearing technology impact their use:
- Enhanced Performance:
Innovations in rolling contact bearing technology lead to enhanced performance characteristics. Advancements in bearing design, materials, and manufacturing processes result in bearings with improved load-carrying capacity, higher speed capabilities, and increased resistance to wear and fatigue. These enhancements enable rolling contact bearings to withstand higher loads, operate at higher speeds, and provide superior performance in demanding applications. For industries that rely on bearings to support heavy loads or operate in challenging conditions, these advancements translate into improved equipment performance and reliability.
- Extended Service Life:
Advancements in rolling contact bearing technology contribute to extended service life. Innovations in bearing materials, surface treatments, and lubrication techniques help reduce friction, wear, and the risk of premature failure. Newer bearing designs and manufacturing processes ensure better distribution of loads and improved stress distribution, resulting in longer bearing life. The ability of rolling contact bearings to operate reliably for extended periods reduces maintenance requirements, downtime, and overall operating costs for industries that heavily rely on bearings.
- Increased Efficiency:
Advancements in rolling contact bearing technology lead to increased efficiency in various applications. Reduced frictional losses, improved sealing arrangements, and optimized lubrication systems contribute to lower energy consumption and higher overall system efficiency. Bearings with lower friction characteristics result in less power loss, allowing equipment to operate with higher energy efficiency. This is particularly important in industries where energy efficiency is a key consideration, such as automotive, aerospace, and wind energy.
- Expanded Application Range:
Innovations in rolling contact bearing technology enable their use in a broader range of applications. Advancements in bearing materials, coatings, and sealing arrangements enhance their resistance to extreme temperatures, corrosive environments, or other challenging operating conditions. This expands the application possibilities for rolling contact bearings in industries such as oil and gas, mining, chemical processing, and food and beverage. Additionally, advancements in bearing design allow for more compact and lightweight solutions, opening up opportunities for their use in space-constrained applications.
- Integration with Digital Technologies:
The integration of rolling contact bearings with digital technologies is another significant impact of advancements in bearing technology. Sensors and monitoring systems can be incorporated into bearings to collect real-time data on operating conditions, such as temperature, vibration, and load. This data can be used for predictive maintenance, condition monitoring, and optimizing equipment performance. The integration of bearings with digital technologies enables industries to implement proactive maintenance strategies, reduce unplanned downtime, and improve overall equipment reliability.
Overall, innovations and advancements in rolling contact bearing technology have a profound impact on their use in various industries. These advancements result in enhanced performance, extended service life, increased efficiency, expanded application range, and integration with digital technologies. As a result, industries can benefit from improved equipment reliability, reduced maintenance costs, increased productivity, and optimized operational performance.
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.
What are the common types of rolling contact bearings, such as ball bearings or roller bearings?
Rolling contact bearings are available in various types, each designed to accommodate specific load capacities, speeds, and application requirements. The most common types of rolling contact bearings include ball bearings and roller bearings. Here’s a detailed explanation of these common types:
- Ball Bearings:
Ball bearings are the most widely used type of rolling contact bearings. They consist of one or more rows of balls placed between two rings—an inner ring and an outer ring. The balls roll along the raceways formed on the rings, enabling smooth and low-friction rotation. Ball bearings are known for their high rotational speeds, low starting torque, and relatively low load capacity compared to roller bearings.
There are several variations within the category of ball bearings, including:
- Deep Groove Ball Bearings: These ball bearings have deep raceway grooves, allowing them to accommodate both radial and axial loads. They are commonly used in applications such as electric motors, appliances, and automotive components.
- Angular Contact Ball Bearings: Angular contact ball bearings can handle both radial and axial loads. They have an angled contact surface between the balls and the raceways, enabling them to support higher axial loads and facilitate combined radial and axial movements. These bearings are often used in machine tools, pumps, and gearboxes.
- Thrust Ball Bearings: Thrust ball bearings are designed to support axial loads in a single direction. They consist of two rings with a set of balls sandwiched between them. Thrust ball bearings are commonly used in applications such as automotive transmissions and steering systems.
- Roller Bearings:
Roller bearings, as the name implies, utilize cylindrical or tapered rollers instead of balls to facilitate motion. Roller bearings are capable of handling higher loads and are often used in heavy-duty applications. The common types of roller bearings include:
- Cylindrical Roller Bearings: Cylindrical roller bearings feature cylindrical rollers that provide a large contact area with the raceways. They can accommodate high radial loads and moderate axial loads. Cylindrical roller bearings are commonly used in applications such as machine tool spindles, electric motors, and gearboxes.
- Tapered Roller Bearings: Tapered roller bearings consist of tapered rollers and inner and outer rings with tapered raceways. They can support both radial and axial loads in a single direction. Tapered roller bearings are commonly used in automotive wheel bearings, heavy machinery, and construction equipment.
- Spherical Roller Bearings: Spherical roller bearings have barrel-shaped rollers and two raceways on the inner and outer rings that are inclined relative to the bearing axis. This design allows them to accommodate misalignment and axial displacement. Spherical roller bearings are commonly used in applications with heavy loads, such as mining equipment, paper mills, and crushers.
- Needle Roller Bearings: Needle roller bearings use long, thin rollers that have a high length-to-diameter ratio. They are suitable for applications with limited radial space and high load capacity. Needle roller bearings are commonly used in automotive transmissions, industrial gearboxes, and motorcycle engines.
These are some of the common types of rolling contact bearings, including ball bearings and roller bearings. Each type has its own advantages and is suitable for specific applications based on factors such as load requirements, speed, and space limitations.
editor by CX 2024-04-24