Product Description
Ball Bearing and Roller Bearing Manufacturer 7016AC 7017AC 7018AC 7019AC 7571AC Angular Contact Ball Bearing 7571AC 7571AC 7571AC 7026AC 7571AC 7030AC for NSK
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Angular Contact Ball Bearing
Angular contact ball bearings have raceways in the inner and outer rings that are displaced with respect to each other in the direction of the bearing axis, which means that they are designed to accommodate combined loads, i.e. simultaneously supporting radial and axial loads.The axial load carrying capacity of angular contact ball bearings increases with increasing contact angle. The contact angle α is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the load is transmitted from 1 raceway to another, and a line perpendicular to the bearing axis.Retainers are made of brass ,synthetic resin of others subject to individual bearing features and application conditions.
Angular Contact Ball Bearings | 706C, B706C series | 706C 707C 708C 709C B706C B707C B708C B709C |
 724C series | 724C 725C 726C 727C 728C 729C | |
7 71912 71913 71914 71915 71916 71917 71918 71919 71920 71922 71924 71926 71928 71930 71932 71934 71936 71938 71940 | ||
3200 series | 3218 3219 | |
3302 series |
Angular contact ball bearing Models and Size:Â
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 |  |  | (r/min) |  |  |  |  |  |
 | Principal dimensions |  |  | Speed ratings |  | Basic load ratings |  | (kg) |
Bearing NO. | d | D | B | Â | Â | (kN) | (kN) | Mass |
 |  |  |  | Grease | Oil | Dynamic | Static |  |
7000AC | 10 | 26 | 8 | 19000 | 28000 | 4.75 | 2.12 | 0.018 |
7000C | 10 | 26 | 8 | 19000 | 28000 | 4.92 | 2.25 | 0.018 |
7001AC | 12 | 28 | 8 | 18000 | 26000 | 5.2 | 2.55 | 0.02 |
7001C | 12 | 28 | 8 | 18000 | 26000 | 5.42 | 2.65 | 0.02 |
7002AC | 15 | 32 | 9 | 17000 | 24000 | 5.95 | 3.25 | 0.571 |
7002C | 15 | 32 | 9 | 17000 | 24000 | 6.25 | 3.42 | 0.571 |
7003AC | 17 | 35 | 10 | 16000 | 22000 | 6.3 | 3.68 | 0.036 |
7003C | 17 | 35 | 10 | 16000 | 22000 | 6.6 | 3.85 | 0.036 |
7004AC | 20 | 42 | 12 | 14000 | 19000 | 10 | 5.78 | 0.064 |
7004C | 20 | 42 | 12 | 14000 | 19000 | 10.5 | 6.08 | 0.064 |
7005AC | 25 | 47 | 12 | 12000 | 17000 | 11.2 | 7.08 | 0.074 |
7005C | 25 | 47 | 12 | 12000 | 17000 | 11.5 | 7.45 | 0.074 |
7006AC | 30 | 55 | 13 | 9500 | 14000 | 14.5 | 9.85 | 0.11 |
7006C | 30 | 55 | 13 | 9500 | 14000 | 15.2 | 10.2 | 0.11 |
7007AC | 35 | 62 | 14 | 8500 | 12000 | 18.5 | 13.5 | 0.15 |
7008AC | 40 | 68 | 15 | 15000 | 21000 | 16 | 12.9 | 0.21 |
7009C | 45 | 75 | 16 | 14000 | 19000 | 19.87 | 16.36 | 0.24 |
7009AC | 45 | 75 | 16 | 14000 | 19000 | 19.87 | 16.36 | 0.24 |
7571C | 50 | 80 | 16 | 13000 | 17000 | 21 | 19 | 0.26 |
7571AC | 50 | 80 | 16 | 13000 | 17000 | 21 | 19 | 0.26 |
7011C | 55 | 90 | 18 | 12000 | 15000 | 26.1 | 22.6 | 0.36 |
7011AC | 55 | 90 | 18 | 12000 | 15000 | 26.1 | 22.6 | 0.36 |
7012C | 60 | 95 | 18 | 11000 | 14000 | 32.5 | 27 | 0.45 |
7012AC | 60 | 95 | 18 | 11000 | 14000 | 32.5 | 27 | 0.45 |
7013C | 65 | 100 | 18 | 9900 | 13000 | 35.2 | 30 | 0.5 |
7013AC | 65 | 100 | 18 | 9900 | 13000 | 35.2 | 30 | 0.5 |
7014C | 70 | 110 | 20 | 9200 | 12000 | 41.1 | 37.3 | 0.59 |
7014AC | 70 | 110 | 20 | 9200 | 12000 | 41.1 | 37.3 | 0.59 |
7015C | 75 | 115 | 20 | 8600 | 11000 | 42.5 | 40.7 | 0.69 |
7015AC | 75 | 115 | 20 | 8600 | 11000 | 42.5 | 40.7 | 0.69 |
7016C | 80 | 125 | 22 | 8000 | 11000 | 53.4 | 50.6 | 0.93 |
7016AC | 80 | 125 | 22 | 8000 | 11000 | 53.4 | 50.6 | 0.93 |
7017C | 85 | 130 | 22 | 7600 | 10000 | 54.6 | 53.7 | 0.95 |
7017AC | 85 | 130 | 22 | 7600 | 10000 | 54.6 | 53.7 | 0.95 |
7018C | 90 | 140 | 24 | 7100 | 9500 | 68.6 | 65.4 | 0.96 |
7018AC | 90 | 140 | 24 | 7100 | 9500 | 68.6 | 65.4 | 0.96 |
7019C | 95 | 145 | 24 | 6800 | 9000 | 73.5 | 73 | 1.17 |
7019AC | 95 | 145 | 24 | 6800 | 9000 | 73.5 | 73 | 1.17 |
7571C | 100 | 150 | 24 | 6400 | 8600 | 75.5 | 77 | 1.25 |
7571AC | 100 | 150 | 24 | 6400 | 8600 | 75.5 | 77 | 1.25 |
7571C | 105 | 160 | 26 | 6100 | 8100 | 88 | 89.5 | 1.53 |
7571AC | 105 | 160 | 26 | 6100 | 8100 | 88 | 89.5 | 1.53 |
7571C | 110 | 170 | 28 | 5800 | 7700 | 101 | 101 | 1.91 |
7571AC | 110 | 170 | 28 | 5800 | 7700 | 101 | 101 | 1.91 |
7571C | 120 | 180 | 28 | 5300 | 7100 | 103 | 108 | 2.04 |
7571AC | 120 | 180 | 28 | 5300 | 7100 | 103 | 108 | 2.04 |
7026C | 130 | 200 | 33 | 4900 | 6500 | 129 | 137 | 3.73 |
7026AC | 130 | 200 | 33 | 4900 | 6500 | 129 | 137 | 3.73 |
7571C | 140 | 210 | 33 | 4500 | 6000 | 132 | 145 | 3.96 |
7571AC | 140 | 210 | 33 | 4500 | 6000 | 132 | 145 | 3.96 |
7030C | 150 | 225 | 35 | 4200 | 5600 | 151 | 168 | 4.82 |
7030AC | 150 | 225 | 35 | 4200 | 5600 | 151 | 168 | 4.82 |
Applications:
Angular contact ball bearing  is mainly applied on high speed, high precision and little axial load occasions, such as airplane engine main shaft, machine tool main shaft and main shafts of other high speed precision machine. It can also be applied on high frequency motor, steam turbine, oil pump, air compressor and printing machine etc. It is 1 of the bearings most widely used in machinery industry.
Angular contact ball bearing 7000
Angular contact ball bearing 7001
Angular contact ball bearing 7002
Angular contact ball bearing 7003
Angular contact ball bearing 7004
Angular contact ball bearing 7005
Angular contact ball bearing 7006
Angular contact ball bearing 7007
Angular contact ball bearing 7008
Angular contact ball bearing 7009
Angular contact ball bearing 7571
Angular contact ball bearing 7011
Angular contact ball bearing 7012
Angular contact ball bearing 7013
Angular contact ball bearing 7014
Angular contact ball bearing 7015
Angular contact ball bearing 7016
Angular contact ball bearing 7017
Angular contact ball bearing 7018
Angular contact ball bearing 7019
Angular contact ball bearing 7571
Angular contact ball bearing 7571
Angular contact ball bearing 7571
Angular contact ball bearing 7571
Angular contact ball bearing 7026
Angular contact ball bearing 7571
Angular contact ball bearing 7030
Angular contact ball bearing 7032
Angular contact ball bearing 7034
Angular contact ball bearing 7036
Angular contact ball bearing 7038
Angular contact ball bearing 7040
Angular contact ball bearing 7000C
Angular contact ball bearing 7001CÂ
Angular contact ball bearing 7002CÂ
Angular contact ball bearing 7003CÂ
Angular contact ball bearing 7004CÂ
Angular contact ball bearing 7005CÂ
Angular contact ball bearing 7006CÂ
Angular contact ball bearing 7007CÂ
Angular contact ball bearing 7008CÂ
Angular contact ball bearing 7009CÂ
Angular contact ball bearing 7571CÂ
Angular contact ball bearing 7011CÂ
Angular contact ball bearing 7012CÂ
Angular contact ball bearing 7013CÂ
Angular contact ball bearing 7014CÂ
Angular contact ball bearing 7015CÂ
Angular contact ball bearing 7016CÂ
Angular contact ball bearing 7017CÂ
Angular contact ball bearing 7018CÂ
Angular contact ball bearing 7019C
Angular contact ball bearing 7571CÂ
Angular contact ball bearing 7571CÂ
Angular contact ball bearing 7571CÂ
Angular contact ball bearing 7571CÂ
Angular contact ball bearing 7026C
Angular contact ball bearing 7571CÂ
Angular contact ball bearing 7030CÂ
Angular contact ball bearing 7032CÂ
Angular contact ball bearing 7034C
Angular contact ball bearing 7036C
Angular contact ball bearing 7038CÂ
Angular contact ball bearing 7040C
Other Models:
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Angular Contact Ball Bearing Models | ||||
7571AC | 7056B | 718/670AC | 7030BM/DB | 718/560A/DT |
7220CM | B71957Y | 70/670A | 7230B/DF | 718/600AC/DB |
7321BM | 7060A | 718/710AC | 7032BM/DB | 718/670A/DT |
7571AX2M | 7060B | 719/710AC | 7232B/DB | 718/710AC/DF |
46722K | 71964AC | 718/750AC | 71934X1B/DFYA3 | 719/710AC/DB |
7571ACM7224ACM | 7064AC/P6 | 70/750A | 7034A/C2DB | 718/750A/DF |
B7324CM | 71968AC | 70/800A | 7036B/DT | 718/1320ACF3/DF |
B7324ACM | 7068AC | 718/850A | 7236B/DF | 3220YM |
7026C | 71872AC | 70/850A | 7038AC/DT | 3322M |
7226CM | 71972AC | 708/900ACF1 | 7338B/DT | 4571X3DM/W34 |
7571AC | 7571A | 70/900A | 7040B/DB | 4026X2DM |
7228CM | 71976B | 70/950A | 7240B/DB | 4030X2DYM/YA6W34 |
7030ACM | 71980A | 718/1000A | 7044B/DB | 4030X3DM |
7230AC | 7080A | 70/1000A | 7244B/DB | 4032X2M/DCYA1 |
B7032ACQ1 | 71984A | 70/1060A | 7646AMB/DB | 4032DM |
7232C | 7084A | 718/1120A | 7048B/DF | 4034X2BM/YA1 |
7034ACQ1 | 71988AC | 70/1120A | 366748K | 4034DM |
7234C | 7088A | 718/1180CAF1 | 71952B/DF | 4936X3DM |
71936CM | 7571A | 70/1180A | 71956AC/DB | 4036DM/C9W33 |
7036B | 71992AC | 708/1250A | 7056B/DB | 4938X3DM |
7038AC | 7096A | 70/1250A | 7068B/DF | 4938X3DM/W34 |
7238AC | 7096B | 7220ACM/DB | 71872AC/DB | 4040DM/W34 |
7040AC | 708/500A | 7230ACM/DF | 71972AC/DB | 4944X3DM |
7240C | 719/500A | 7222CM/DB | 71876B/DB | 4044DM/W34 |
7244AC | 718/530A | 7322ACM/DT | 71976AC/DT | 4048DM/W33 |
7344B | 719/530AC | 7571AC/DF | 7084B/DT | 4048X1DM/W34 |
72948AC | 718/560A | 7224ACQ5/DB | 71892A/DT | 4952X3DM/W34 |
7048B | 719/560A | 7226BM/P5DBCB | 708/500A/DF | 4952X3DM |
71952AC | 708/600A | 7326B/DF | 719/500A/DT | 4956X3DM/W34-1 |
7252B | 719/600AC | 7571AC/DF | 718/530X3AC/P5DB | 4960X3DM |
71956AC | 70/630A | 7228BM/DB | 718/530A/DF | 4060DYM |
 |  |  |  | 4964X2DM/W33 |
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Contact Angle: | 15 30 45 |
---|---|
Aligning: | Non-Aligning Bearing |
Separated: | Unseparated |
Rows Number: | Single |
Load Direction: | Axial |
Material: | Bearing Steel |
Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
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What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-04-13