Product Description

Product Description

TYPES

Angular contact ball bearing include:

1) Single row angular contact ball bearing

2) Matched angular contact ball bearing

3) Double row angular contact ball bearing

4) Four-point contact ball bearing
 

Singe row angular-contact ball bearing features:

Angular contact ball bearings are CZPT to support radial load and axial load.
Single row angular contact ball bearings can only support axial load in single direction, it  adopts mounting in pair.
As matched pairs of bearings, preload for them is more convenient.
Its retainer are made of brass, synthetic resins or others subject to individual bearing feature and application conditions.
 

APPLICATIONS 

1.Single-row:Machine tool spindle, high-frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, inHangZhou head, repair welding machine, low noise cooling tower, electromechanical equipment, coating equipment, machine tool slot plate, arc welding machine.

2.Double-row:Oil pumps, Roots blowers, air compressors, various transmissions, fuel injection pumps, printing machinery, 
planetary reducers, extraction equipment, cycloidal reducers, food packaging machinery, welding machines, soldering irons,
 square boxes, gravity spray guns, wire stripping machines, half shafts, inspection and analysis equipment, fine chemical machinery.

 

Product Parameters

 

Bearing No. Shape Dimension(mm) (KN)
Basic rated load
Max Speed(rpm) Weight(Kg)
  d D B Cr Cor Grease oil  
Single row angular contact ball bearing
7200C 10 30 9 5.8 2.90 22000 28000 0.032
7200AC 10 30 9 5.5 2.80 22000 28000 0.032
7200B 10 30 9 5.3 2.70 19000 27000 0.03
7300C 10 35 11 9.8 4.69 18000 26000 0.053
7300AC 10 35 11 9.5 4.40 18000 26000 0.053
7201C 12 32 10 7.90 3.80 20000 25000 0.037
7201AC 12 32 10 7.6 3.60 20000 25000 0.037
7201B 12 32 10 6.90 3.20 18000 24000 0.036
7301C 12 37 12 11.8 5.60 17000 24000 0.060
7301AC 12 37 12 11.50 5.40 17000 24000 0.060
7301B 12 37 12 10.5 4.90 16000 22000 0.060
7202C 15 35 11 9.2 4.90 17000 22000 0.045
7202AC 15 35 11 8.90 4.80 17000 22000 0.045
7202B 15 35 11 7.9 4.20 16000 22000 0.045
7302C 15 42 13 13.2 6.70 15000 21000 0.084
7302AC 15 42 13 12.5 6.20 15000 21000 0.084
7302B 15 42 13 12.4 6.50 14000 19000 0.080
7203C 17 40 12 10.8 5.80 15000 20000 0.062
7203AC 17 40 12 10.4 5.60 15000 20000 0.062
7203B 17 40 12 9.9 5.50 14000 19000 0.065
7303C 17 47 14 15.7 8.20 13000 19000 0.110
7303AC 17 47 14 15.0 7.70 13000 19000 0.110
7303B 17 47 14 15.4 8.10 13000 17000 0.110
7204C 20 47 14 14.5 8.10 13000 18000 0.100
7204AC 20 47 14 14.0 7.80 13000 18000 0.100
7204B 20 47 14 13.4 7.60 12000 16000 0.110
7304C 20 52 15 18.4 9.80 12000 17000 0.150
7304AC 20 52 15 17.9 9.60 12000 17000 0.150
7304B 20 52 15 17.3 9.6000 11000 15000 0.140
7205C 25 52 15 16.5 10.00 11000 16000 0.120
7205AC 25 52 15 15.8 9.70 11000 16000 0.120
7205B 25 52 15 14.8 9.30 10000 14000 0.130
7305C 25 62 17 27.8 15.90 9500 14000 0.230
7305AC 25 62 17 27.0 15.90 9500 14000 0.230
7305B 25 62 17 24.3 14.10 9000 13000 0.230
7206C 30 62 16 23.0 14.70 9000 13000 0.190
7206AC 30 62 16 22.1 13.50 9000 13000 0.190
7206B 30 62 16 20.5 13.50 8500 12000 0.200
7306C 30 72 19 33.2 21.20 8500 12000 0.350
7306AC 30 72 19 32.8 20.40 8500 12000 0.350
7306B 30 72 19 29.3 18.10 8000 11000 0.340
7207C 35 72 17 30.3 20.00 8000 11000 0.280
7207AC 35 72 17 29.2 18.00 8000 11000 0.280
7207B 35 72 17 28.3 14.80 7500 10000 0.280
7307C 35 80 21 40.3 25.80 7500 10000 0.470
7307AC 35 80 21 38.2 24.90 7500 10000 0.470
7307B 35 80 21 38.3 24.40 7000 9500 0.450
7208C 40 80 18 38.4 26.30 7500 10000 0.370
7208AC 40 80 18 36.8 25.40 7500 10000 0.370
7208B 40 80 18 34.5 23.80 6700 9000 0.420
7308C 40 90 23 49.3 32.30 6700 9000 0.660
7308AC 40 90 23 47.0 31.10 6700 9000 0.660
7308B 40 90 23 46.5 29.50 6300 8500 0.630
7209C 45 85 19 40.4 29.30 6700 9000 0.410
7209AC 45 85 19 38.6 28.10 6700 9000 0.410
7209B 45 85 19 34.0 24.60 6300 8500 0.420
7309C 45 100 25 63.1 42.90 6000 8000 0.860
7309AC 45 100 25 61.6 41.20 6000 8000 0.860
7309B 45 100 25 59.6 39.60 5600 7500 0.850
7210C 50 90 20 42.80 31.30 6300 8500 0.460
7210AC 50 90 20 40.8 30.10 6300 8500 0.460
7210B 50 90 20 40.4 25.60 5600 8000 0.470
7310C 50 110 27 74.9 50.90 5600 7500 1.080
7310AC 50 110 27 71.9 48.50 5000 7500 1.080
7310B 50 110 27 68.1 48.00 5600 6700 1.100
7211C 55 100 21 53.2 39.90 5600 7000 0.610
7211AC 55 100 21 50.8 38.20 5600 7000 0.610
7211B 55 100 21 46.3 36.00 5300 7000 0.620
7311C 55 120 29 86.4 59.50 5000 6700 1.420
7311AC 55 120 29 83.4 58.00 5000 3700 1.420
7311B 55 120 29 82.2 56.20 4500 6300 1.400
7212C 60 110 22 61.0 48.20 5300 7000 0.800
7212AC 60 110 22 58.1 46.00 5300 7000 0.800
7212B 60 110 22 56.1 44.30 4800 6300 0.800
7312C 60 130 31 98.6 68.50 4800 6300 1.710
7312AC 60 130 31 95.2 67.20 4800 6300 1.710
7312B 60 130 31 91.5 65.40 4300 5600 1.750
7213C 65 120 23 69.8 54.50 4800 6300 1.000
7213AC 65 120 23 66.6 52.10 4800 6300 1.000
7213B 65 120 23 65.7 50.20 4300 6000 1.000
7313C 65 140 33 113.1 79.60 4300 5600 2.230
7313AC 65 140 33 109.3 78.30 4300 5600 2.230
7313B 65 140 33 102.3 75.30 3800 5300 2.150
7214C 70 125 24 72.8 59.70 4500 5800 1.100
7214AC 70 125 24 69.4 57.00 4500 5800 1.100
7214B 70 125 24 70.4 56.30 4000 5600 1.100
7314C 70 150 35 126.0 91.60 4000 5300 2.670
7314AC 70 150 35 118.8 88.20 4000 5300 2.670
7314B 70 150 35 114.6 85.90 3600 5000 2.650
7215C 75 130 25 79.2 65.60 4300 5600 1.200
7215AC 75 130 25 75.3 62.80 4300 5600 1.200
7215B 75 130 25 68.6 58.20 3800 5300 1.200
7315C 75 160 37 140.7 103.90 3800 5000 3.100
7315AC 75 160 37 134.4 99.80 3800 5000 3.100
7315B 75 160 37 127.7 95.40 3400 4800 3.200
7216C 80 140 26 92.5 66.20 4000 5300 1.450
7216AC 80 140 26 91.3 65.10 4000 5300 1.450
7216B 80 140 26 78.7 65.70 4000 5300 1.450
7316C 80 170 39 156.1 112.20 3600 4800 3.600
7316AC 80 170 39 149.5 107.70 3600 4800 3.600
7316B 80 170 39 141.4 107.90 3200 4800 3.800
7217C 85 150 28 99.7 84.60 3800 5000 1.800
7217AC 85 150 28 94.9 80.80 3800 5000 1.800
7217B 85 150 28 83.2 74.10 3600 5000 1.850
7317C 85 180 41 160.7 130.50 3400 4500 4.380
7317AC 85 180 41 154.3 122.30 3400 4500 4.380
7317B 85 180 41 155.8 120.90 3000 4000 4.450

 C ontact us for more!

Our Advantages

1.Professional supplier: we are the biggest bearing supplier in China. Besides of our own factory, we also have a stable supply chain to provide all types of bearing.
2.Quality: we can supply bearing with world-class quality.
3.OEM or Non-Standard Bearing: OEM & Non-Standard bearing are available.
4.Professional teams:we have professional teams with technology, research and production.
5. Quick delivery: we can provide the shortest delivery time.
 

Company Profile

ZheJiang Dente International Trade Co.,Ltd has taken in this line for more than 20 years. Besides of our own factory, we also cooperate with more than 500 bearing factories to meet market requirements. 
Our products include deep groove ball bearings, tapered roller bearings, pillow block bearings, self-aligning ball bearings, spherical roller bearings, cylindrical roller bearings, thrust ball bearings, non-standard bearings of automobiles. Simultaneously we also supply needle roller bearings, stainless steel bearings ,inch series bearings, non-standard bearings, imported bearings of global brand, wheel hub bearings. 

 

Our products include deep groove ball bearing, tapered roller bearing, pillow block bearing, self-aligning ball bearing, spherical roller bearing, cylindrical roller bearing, thrust ball bearing, non-standard bearing of automobiles. Simultaneously we also supply needle roller bearing, stainless steel bearing ,inch series bearing, non-standard bearing, imported bearing of global brand, wheel hub bearing. And we also supply some customized bearing.
The company has strong production capacity to meet large-scale order demands:

Testing equipment
Company testing center is equipped with professional testing equipment,bearings produced by professional and technical personnel to detect bearing greatly enchance the ability to control the technical indicators,to ensure that the pass rate of products manufactured to meet customer demand.
 

DNT bearing products used have undergone multiple rigorous technical screening, testing, and release to ensure that the performance of each product matches the precision of the unit and device. The factory has complete testing equipment, ensuring safety and quality that you can rest assured!

Packaging & Shipping

 

1.Industrial packaging: Plastic tube (10pcs in 1 tube)+ carton + plywood pallets; plastic bag + kraft paper + carton + plywood pallets.

2.Commercial packing: 1pc/plastic bag+ single color box+ carton + plywood pallets.

3.According to customer’s requirements.

Installation precautions
1.Avoid strong impact since the contact surface between the bearing raceway surface and the rolling element is close to point contact. Excessive impact force will cause indentation on the contact surface,so knock or drop impact must be avoided

2.Avoid dust entering the bearing.If dust enters the bearing during use the raceway surface and rolling element surface will be damaged, resulting in abnormal noise or poor rotation of the bearing.

 

FAQ

Q: Why did you choose us?
A:(1) We provide the best quality bearings with reasonable price, low friction, low noise and long service life.
   (2) With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.
   (3) The best service provided by a well-trained international sales team.

Q: How long is your delivery time?
A:Generally speaking, if the goods are in stock, it is 1-3 days. If the goods are out of stock, it will take 6-10 days, depending on the quantity of the order.

Q: Do you provide samples? Is it free or extra?
A:Yes, we can provide a small amount of free samples. Do you mind paying the freight?

Q:Could you offer door to door service?
 A:Yes,by express(DHL,FEDEX,TNT,EMS,4-10 days to your city.)

Q: What should I do if I don’t see the type of bearing I need?
A:We have too many bearing series numbers. Sometimes we can’t put them all on Made in China. Just send us the inquiry and we will be very happy to send you the bearing details.
 

Any problems, pls feel free to contact us.100% after-sales service!
We can supply high-quality bearing products with competitive price and the shortest delivery time if you choose us!

 

 

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Contact Angle: 15°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 2.5/Piece
1 Piece(Min.Order)

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Chrome steel
Customization:
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deep groove ball bearing

How do deep groove ball bearings differ from other types of ball bearings in terms of design and functionality?

Deep groove ball bearings exhibit distinctive design features and functionality that set them apart from other types of ball bearings. Here’s a detailed explanation of the differences between deep groove ball bearings and other ball bearing types:

  • Design:
  • Deep groove ball bearings have a simple and versatile design. They consist of an inner ring, an outer ring, a cage, and a set of steel balls that are evenly spaced and held in place by the cage. This design allows for radial and axial loads to be accommodated in both directions.

  • Load Capacity:
  • Deep groove ball bearings have a higher radial load capacity compared to other types of ball bearings. Their deep raceway design enables them to support axial loads in addition to radial loads. This makes deep groove ball bearings suitable for applications where both radial and axial loads may be present.

  • Speed Capability:
  • Deep groove ball bearings are capable of operating at relatively high speeds. The smooth and continuous rolling motion of the steel balls within the deep raceway minimizes friction and heat generation, allowing for efficient and reliable operation at elevated rotational speeds.

  • Friction and Noise:
  • Deep groove ball bearings have low friction characteristics, resulting in reduced energy losses and efficient power transmission. Additionally, the design of deep groove ball bearings helps to dampen vibrations and minimize noise generation, contributing to quieter operation compared to some other types of bearings.

  • Versatility:
  • Deep groove ball bearings are versatile and suitable for a wide range of applications. They can be used in various industries, including automotive, industrial machinery, electrical motors, and appliances. Deep groove ball bearings are available in different sizes and configurations to accommodate different application requirements.

  • Installation and Maintenance:
  • Deep groove ball bearings are relatively easy to install and maintain. They do not require frequent lubrication and can operate satisfactorily under normal operating conditions for extended periods. Proper installation and periodic inspection are important to ensure optimal performance and longevity.

  • Application Limitations:
  • While deep groove ball bearings have numerous advantages, they also have some limitations. They are not designed to handle heavy axial loads or moments and may require additional support or a different bearing type in such cases. Additionally, their deep raceway design may limit their suitability for applications with high thrust or angular loads.

In summary, deep groove ball bearings differ from other types of ball bearings in terms of their design and functionality. They offer a simple and versatile design, high radial load capacity, capability for high-speed operation, low friction and noise levels, versatility for various applications, and relatively easy installation and maintenance. However, their application may be limited in cases involving heavy axial loads, moments, or high thrust or angular loads. Understanding the specific design and functionality of deep groove ball bearings helps in selecting the appropriate bearing type for different applications.

deep groove ball bearing

How does proper lubrication impact the performance and longevity of deep groove ball bearings?

Proper lubrication plays a crucial role in determining the performance and longevity of deep groove ball bearings. Here’s a detailed explanation of how proper lubrication impacts these aspects:

  • Reduced Friction and Wear:
  • Lubrication creates a thin film of lubricant between the rolling elements and the raceway surfaces of the deep groove ball bearing. This film of lubricant reduces friction and minimizes metal-to-metal contact, resulting in lower wear and extending the bearing’s lifespan. Proper lubrication ensures that the lubricant film remains intact, preventing excessive friction, heat generation, and premature wear of the bearing components.

  • Heat Dissipation:
  • Deep groove ball bearings can generate heat during operation due to the sliding and rolling contact between the balls and the raceways. Adequate lubrication helps in dissipating this heat by carrying it away from the contact zone. Proper lubrication prevents the bearing from overheating, which can lead to accelerated wear, loss of dimensional stability, and even bearing failure.

  • Corrosion and Contamination Protection:
  • Lubrication provides a protective barrier against corrosion and contamination. The lubricant helps to seal the bearing against external elements such as moisture, dust, dirt, and other contaminants that can degrade the bearing surfaces and compromise its performance. By preventing corrosion and contamination, proper lubrication extends the bearing’s service life and ensures reliable operation in challenging environments.

  • Noise and Vibration Reduction:
  • Insufficient or improper lubrication can result in increased noise and vibration levels in deep groove ball bearings. The lubricant acts as a cushioning medium, absorbing shocks and reducing the transmission of vibrations. Proper lubrication minimizes the generation of noise and vibrations, resulting in smoother and quieter operation of the bearing.

  • Effective Load Distribution:
  • Proper lubrication ensures effective load distribution within the deep groove ball bearing. The lubricant film helps distribute the applied loads evenly across the rolling elements and raceways, minimizing stress concentrations and preventing premature fatigue or failure of the bearing. This promotes the bearing’s load-carrying capacity and enhances its overall performance and reliability.

  • Preservation of Bearing Integrity:
  • Adequate lubrication helps preserve the overall integrity of deep groove ball bearings. It reduces the risk of surface damage, pitting, and scoring, which can lead to accelerated wear and premature failure. Proper lubrication also prevents the formation of rust and corrosion, preserving the structural integrity of the bearing components and ensuring their long-term functionality.

In summary, proper lubrication of deep groove ball bearings is essential for reducing friction and wear, dissipating heat, protecting against corrosion and contamination, minimizing noise and vibrations, facilitating effective load distribution, and preserving the overall integrity of the bearing. By ensuring proper lubrication, the performance and longevity of deep groove ball bearings can be significantly enhanced, resulting in reliable operation and extended service life.

deep groove ball bearing

How do temperature variations and environmental conditions impact the performance of deep groove ball bearings?

Temperature variations and environmental conditions can have a significant impact on the performance of deep groove ball bearings. These factors can affect the bearing’s lubrication, material properties, dimensional stability, and overall operating characteristics. Here’s a detailed explanation of how temperature variations and environmental conditions impact the performance of deep groove ball bearings:

  • Lubrication:
  • Temperature variations can influence the viscosity and lubricating properties of the bearing grease or oil. High temperatures can cause lubricants to thin out, reducing their ability to form a protective film between the rolling elements and raceways. This can lead to increased friction, wear, and heat generation, potentially resulting in premature bearing failure. Conversely, extremely low temperatures can cause lubricants to thicken, impeding their flow and impairing the bearing’s ability to maintain proper lubrication. It is crucial to select lubricants suitable for the expected temperature range to ensure optimal lubrication and minimize the negative effects of temperature variations on bearing performance.

  • Material Properties:
  • Temperature variations can affect the material properties of the bearing components. High temperatures can cause thermal expansion, leading to dimensional changes in the bearing’s inner and outer rings, as well as the rolling elements. This can result in increased radial internal clearance and potential misalignment, affecting the bearing’s running accuracy and performance. Additionally, high temperatures can accelerate the aging or degradation of bearing materials, reducing their strength and fatigue resistance. Extreme cold temperatures, on the other hand, can make materials more brittle, increasing the risk of fracture or damage under load. It is important to consider the expected temperature range and select bearing materials that can withstand the anticipated thermal conditions to ensure reliable and long-lasting performance.

  • Dimensional Stability:
  • Temperature variations can impact the dimensional stability of deep groove ball bearings. As temperatures change, the bearing components can expand or contract, affecting the internal clearance and fit of the bearing. This can lead to changes in running accuracy, noise levels, and the ability to maintain proper alignment within the application. In applications where precise positioning or running accuracy is critical, temperature variations must be taken into account to ensure the bearing maintains the required dimensional stability and performance under varying thermal conditions.

  • Operating Characteristics:
  • Temperature variations can affect the overall operating characteristics of deep groove ball bearings. High temperatures can increase the operating noise and vibration levels of the bearing, potentially impacting the comfort and performance of the machinery or equipment in which the bearing is installed. Temperature-induced expansion or contraction can also affect the bearing’s ability to handle axial or radial loads, potentially altering the load distribution and causing uneven wear or excessive loading on certain areas of the bearing. Understanding the operating characteristics of the bearing in relation to temperature variations is crucial for selecting the appropriate bearing type and size for the specific application.

  • Environmental Effects:
  • Environmental conditions, such as dust, moisture, chemicals, or corrosive substances, can also impact the performance of deep groove ball bearings. Dust and dirt particles can infiltrate the bearing, leading to increased friction, wear, and potential damage to the rolling elements and raceways. Moisture or corrosive substances can cause rust or corrosion, compromising the bearing’s structural integrity and lubrication properties. It is important to consider the environmental conditions in which the bearing will operate and select appropriate sealing solutions or protective coatings to mitigate the effects of contaminants or corrosive elements.

In summary, temperature variations and environmental conditions can significantly impact the performance of deep groove ball bearings. By understanding the effects of temperature on lubrication, material properties, dimensional stability, and operating characteristics, appropriate measures can be taken to ensure optimal bearing performance and longevity. Considering the expected temperature range, selecting suitable materials, providing proper lubrication, addressing dimensional changes, and protecting against environmental factors are all important considerations when using deep groove ball bearings in different operating conditions.

China wholesaler CZPT Angular-Contact/Deep Groove/Self-Aligning Thrust Ball Bearing for Car Ball Bearing/Auto Bearing/Rilling Bearing/Factory Bearing/Brass Bearing Manufacturer   with Good qualityChina wholesaler CZPT Angular-Contact/Deep Groove/Self-Aligning Thrust Ball Bearing for Car Ball Bearing/Auto Bearing/Rilling Bearing/Factory Bearing/Brass Bearing Manufacturer   with Good quality
editor by CX 2024-04-03