Product Description
Product Description
Factory Manufactured Stainless Steel Deep Groove Ball Bearing Cage
| Style | OEM Customized CNC Auto Spare Parts. |
| Brand | GONUO or Customized Brand. |
| Available Material | Carbon steel, Stainless steel 304/316, Brass, Alu, Copper. |
| Surface Treatment | Galvanized, Polishing, Electrophoresis, Spray, Nickel, Paint, Dacromet and so on. |
| Size and Shape | Customizable size, Customized shape, As your drawing or sample. |
| Tolerance | ±0.002 ~ ±0.01mm |
| Surface Roughness | Min Ra 0.1~3.2 |
| For more information visit: | |
Company Profile
HangZhou Xihu (West Lake) Dis. Gonuo Hardware Co.,LTD is a professional CNC auto parts manufacturer which integrating molds development, mold and product manufacturing.
We provide customers with various types of CNC auto parts and sheet metal parts based on customer’s drawing or samples. We support OEM&ODM, like processing methods, materials, surface treatment, package, customer logo and so on.
Now our products are exported to many countries, we win the client’s trust through the spirit of honesty and respect.
Detailed Photos
Work Shop
Packaging & Shipping
| Package | 1)Standard packaging,2) Pallet or container, 3) According to customized specifications. |
| Delivery Time | 30-45days.(Based on your quantity and product precision) |
| Logistics | According to customer requirements. |
FAQ
Q1:What’s the delivery time?
A:Generally 30-45 days after payment received.The exact time is according to actual QTY.
Q2:Can i get sample?
A:Yes.Normally we can offer the samples for free charge if we have in stock but you need to pay shipping fee.
Q3:Can you stamp the customers’ own logo and their own package?
A:Sure!We provide OEM&ODM service.
Q4:Could i get a discounted price?
A:Yes.If you have a big qty of order,we would give a discount.
Q5:What’s the payment term?
A:Payment =$3000,30% T/T in advance,70% before shippment.
Q6:Where’s the port of shipment?
A:HangZhou and ZheJiang .
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| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Material: | Iron |
| Type: | Wheel Hub |
| Finishing: | Black |
| Certification: | ISO |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.


editor by CX 2024-05-15
China Standard Needle Roller Bearing Needle Roller and Cage Assemblies Track Roller Bearing Cam Follower Angular Contact Ball Bearing Spherical Roller Bearing bearing air
Product Description
| Basic Features of Needle Roller Bearing | |
| Types | Needle Roller and Cage Assemblies Drawn Cup Needle Roller Bearings Thrust Needle Roller Bearings Needle Roller Bearings with Rings |
| Material | Bearing Steel(GCr15, 100Cr6) SPCC St14 Nylon Bronze |
| Dimension | Metric and Inch |
| Dimension Range | 3mm~200mm(bore diameter) |
| MOQ | 1 |
| Delivery Time | 15-45 days |
| Sea Ports | ZheJiang HangZhou HangZhou |
Why Choose HECTO?
1. More than 20 years of manufacturing and exporting experiences
2. an IATF16949 company
3. 100% inspecting of products
4. More competitive prices with better quality
5. More than 99% of delivery in time
6. Rapid response of your emails and questions
7. Products can be traced back
Needle Roller and Cage Assemblies
| Shaft | Bearing No. | Boundary Dimensions(mm) | Basic Load Rating(N) | Limiting Speed | |||
| Fw | Ew | Bc | Cr | Cor | Oil(RPM) | ||
| 3 | K3X5X7TN | 3 | 5 | 7 | 1540 | 1290 | 50000 |
| K3X5X9TN | 3 | 5 | 9 | 1710 | 1480 | 48000 | |
| K3X6X7TN | 3 | 6 | 7 | 1430 | 970 | 47000 | |
| 4 | K4X7X7TN | 4 | 7 | 7 | 2330 | 1840 | 43000 |
| K4X7X10TN | 4 | 7 | 10 | 2350 | 1920 | 39000 | |
| 5 | K5X8X8TN | 5 | 8 | 8 | 2300 | 1880 | 37000 |
| K5X8X10TN | 5 | 8 | 10 | 2800 | 2450 | 37000 | |
| 6 | K6X9X8TN | 6 | 9 | 8 | 2500 | 2240 | 35000 |
| K6X9X10TN | 6 | 9 | 10 | 3300 | 3100 | 35000 | |
| K6X10X13TN | 6 | 10 | 13 | 3500 | 2800 | 33000 | |
| 7 | K7X10X8TN | 7 | 10 | 8 | 2750 | 2550 | 32000 |
| K7X10X10TN | 7 | 10 | 10 | 3350 | 3400 | 32000 | |
| 8 | K8X11X8TN | 8 | 11 | 8 | 3000 | 2900 | 30000 |
| K8X11X10TN | 8 | 11 | 10 | 3830 | 3950 | 30000 | |
| K8X11X13TN | 8 | 11 | 13 | 5000 | 5700 | 30000 | |
| K8X12X10TN | 8 | 12 | 10 | 4900 | 4600 | 30000 | |
| 9 | K9X12X10TN | 9 | 12 | 10 | 4200 | 4700 | 30000 |
| K9X12X13TN | 9 | 12 | 13 | 5500 | 6700 | 30000 | |
| 10 | K10X13X10TN | 10 | 13 | 10 | 4500 | 5250 | 27000 |
| K10X13X13TN | 10 | 13 | 13 | 6000 | 7600 | 27000 | |
| K10X13X16TN | 10 | 13 | 16 | 6300 | 7800 | 27000 | |
| K10X14X10TN | 10 | 14 | 10 | 7000 | 7900 | 27000 | |
| K10X14X13TN | 10 | 14 | 13 | 8000 | 9100 | 26000 | |
| K10X16X12TN | 10 | 16 | 12 | 7000 | 9300 | 27000 | |
| 12 | K12X15X9TN | 12 | 15 | 9 | 4120 | 5210 | 25000 |
| K12X15X10TN | 12 | 15 | 10 | 4320 | 5730 | 25000 | |
| K12X15X13TN | 12 | 15 | 13 | 6000 | 8100 | 25000 | |
| K12X16X8TN | 12 | 16 | 8 | 1200 | 4700 | 25000 | |
| K12X16X10TN | 12 | 16 | 10 | 6000 | 6900 | 25000 | |
| K12X16X13TN | 12 | 16 | 13 | 7900 | 9200 | 25000 | |
| K12X17X13TN | 12 | 17 | 13 | 9300 | 10000 | 24000 | |
| K12X18X12TN | 12 | 18 | 12 | 9800 | 8000 | 24000 | |
| K12X15X20TN | 12 | 15 | 20 | 8200 | 12000 | 25000 | |
| 14 | K14X17X10 | 14 | 17 | 10 | 5100 | 6800 | 23000 |
| K14X17X17 | 14 | 17 | 17 | 9300 | 14000 | 23000 | |
| K14X18X10 | 14 | 18 | 10 | 6800 | 8300 | 23000 | |
| K14X18X13 | 14 | 18 | 13 | 8100 | 9800 | 23000 | |
| K14X18X14 | 14 | 18 | 14 | 9200 | 12000 | 23000 | |
| K14X18X15 | 14 | 18 | 15 | 10000 | 13000 | 23000 | |
| K14X18X17 | 14 | 18 | 17 | 10500 | 13900 | 23000 | |
| K14X20X12 | 14 | 20 | 12 | 9900 | 10500 | 22000 | |
| 15 | K15X18X14 | 15 | 18 | 14 | 7500 | 11000 | 23000 |
| K15X18X17 | 15 | 18 | 17 | 9600 | 15900 | 23000 | |
| K15X19X10 | 15 | 19 | 10 | 7200 | 9000 | 22000 | |
| K15X19X13 | 15 | 19 | 13 | 8300 | 9800 | 22000 | |
| K15X19X17 | 15 | 19 | 17 | 10300 | 15000 | 22000 | |
| K15X19X24 ZW | 15 | 19 | 24 | 12800 | 25710 | 22000 | |
| K15X22X13 | 15 | 22 | 13 | 9700 | 11000 | 22000 | |
| K15X22X12 | 15 | 22 | 12 | 10000 | 13000 | 22000 | |
| K15X21X15 | 15 | 21 | 15 | 13800 | 16000 | 22000 | |
| K15X21X21 | 15 | 21 | 21 | 18000 | 24000 | 22000 | |
| 16 | K16X20X10 | 16 | 20 | 10 | 7600 | 9700 | 22000 |
| K16X20X13 | 16 | 20 | 13 | 8700 | 11300 | 22000 | |
| K16X20X17 | 16 | 20 | 17 | 11200 | 16300 | 22000 | |
| K16X21X10 | 16 | 21 | 10 | 9000 | 12000 | 22000 | |
| K16X22X12 | 16 | 22 | 12 | 11000 | 12000 | 21000 | |
| K16X22X13 | 16 | 22 | 13 | 12000 | 13400 | 21000 | |
| K16X22X16 | 16 | 22 | 16 | 14300 | 17000 | 21000 | |
| K16X22X20 | 16 | 22 | 20 | 18000 | 22300 | 21000 | |
| K16X23X14 | 16 | 23 | 14 | 19000 | 21000 | 19000 | |
| K16X24X20 | 16 | 24 | 20 | 21100 | 23000 | 20000 | |
| 17 | K17X21X10 | 17 | 21 | 10 | 7900 | 15710 | 21000 |
| K17X21X13 | 17 | 21 | 13 | 10000 | 14100 | 21000 | |
| K17X21X17 | 17 | 21 | 17 | 12000 | 17400 | 21000 | |
| K17X23X14 | 17 | 23 | 14 | 11000 | 15000 | 21000 | |
| 18 | K18X22X10 | 18 | 22 | 10 | 8200 | 9900 | 20000 |
| K18X22X13 | 18 | 22 | 13 | 9000 | 12100 | 20000 | |
| K18X22X17 | 18 | 22 | 17 | 11900 | 17600 | 20000 | |
| K18X24X12 | 18 | 24 | 12 | 11200 | 12900 | 20000 | |
| K18X24X13 | 18 | 24 | 13 | 12900 | 14900 | 20000 | |
| K18X24X13.5 | 18 | 24 | 13.5 | 12900 | 14900 | 20000 | |
| K18X24X20 | 18 | 24 | 20 | 20000 | 26500 | 20000 | |
| K18X25X14 | 18 | 25 | 14 | 16500 | 18800 | 20000 | |
| K18X25X22 | 18 | 25 | 22 | 22900 | 28400 | 20000 | |
| K18X26X14 | 18 | 26 | 14 | 18000 | 20000 | 18000 | |
| K18X28X16 | 18 | 28 | 16 | 19000 | 18400 | 19000 | |
| 19 | K19X23X13 | 19 | 23 | 13 | 9300 | 13000 | 20000 |
| K19X23X17 | 19 | 23 | 17 | 12000 | 18600 | 20000 | |
| 20 | K20X24X10 | 20 | 24 | 10 | 8700 | 12100 | 19000 |
| K20X24X12 | 20 | 24 | 12 | 9600 | 13800 | 19000 | |
| K20X24X13 | 20 | 24 | 13 | 9600 | 13800 | 19000 | |
| K20X24X17 | 20 | 24 | 17 | 12400 | 20000 | 19000 | |
| K20X26X12 | 20 | 26 | 12 | 13100 | 15700 | 19000 | |
| K20X26X16 | 20 | 26 | 16 | 18000 | 25000 | 18500 | |
| K20X26X17 | 20 | 26 | 17 | 18700 | 25500 | 19000 | |
| K20X26X20 | 20 | 26 | 20 | 20600 | 28500 | 19000 | |
| K20X28X20 | 20 | 28 | 20 | 23400 | 28000 | 18000 | |
| K20X28X25 | 20 | 28 | 25 | 30000 | 28500 | 18000 | |
| K20X30X30 | 20 | 30 | 30 | 35000 | 41000 | 18000 | |
| 21 | K21X25X13 | 21 | 25 | 13 | 9600 | 14500 | 19000 |
| K21X25X17 | 21 | 25 | 17 | 12800 | 21000 | 19000 | |
| 22 | K22X26X10 | 22 | 26 | 10 | 8700 | 12900 | 18000 |
| K22X26X13 | 22 | 26 | 13 | 10000 | 15400 | 18000 | |
| K22X26X17 | 22 | 26 | 17 | 13100 | 22100 | 18000 | |
| K22X27X13 | 22 | 27 | 13 | 14000 | 23000 | 18000 | |
| K22X28X17 | 22 | 28 | 17 | 19000 | 26500 | 18000 | |
| K22X28X23 | 22 | 28 | 23 | 20000 | 27000 | 19000 | |
| K22X29X16 | 22 | 29 | 16 | 19500 | 25000 | 17000 | |
| K22X30X15TN | 22 | 30 | 15 | 19600 | 22900 | 17000 | |
| K22X30X20 | 22 | 30 | 20 | 21000 | 23500 | 18900 | |
| K22X32X24 | 22 | 32 | 24 | 33500 | 39500 | 16000 | |
| 23 | K23X35X16TN | 23 | 35 | 16 | 24000 | 23400 | 15000 |
| 24 | K24X28X10 | 24 | 28 | 10 | 9400 | 14300 | 17000 |
| K24X28X13 | 24 | 28 | 13 | 10500 | 17000 | 17000 | |
| K24X28X17 | 24 | 28 | 17 | 14000 | 24500 | 17000 | |
| K24X29X13 | 24 | 29 | 13 | 13100 | 19100 | 16000 | |
| K24X30X17 | 24 | 30 | 17 | 19000 | 27000 | 16000 | |
| K24X30X31 | 24 | 30 | 31 | 27000 | 43000 | 16000 | |
| 25 | K25X29X10 | 25 | 29 | 10 | 9700 | 14900 | 16000 |
| K25X29X13 | 25 | 29 | 13 | 10800 | 17900 | 16000 | |
| K25X29X17 | 25 | 29 | 17 | 14500 | 25500 | 16000 | |
| K25X30X13 | 25 | 30 | 13 | 14100 | 21300 | 16000 | |
| K25X30X20 | 25 | 30 | 20 | 21100 | 28000 | 16000 | |
| K25X30X25 | 25 | 30 | 25 | 21700 | 40400 | 15000 | |
| K25X30X26 | 25 | 30 | 26 | 25710 | 26500 | 15000 | |
| K25X31X17 | 25 | 31 | 17 | 19000 | 28000 | 16000 | |
| K25X31X21 | 25 | 31 | 21 | 24100 | 37500 | 16000 | |
| K25X32X16 | 25 | 32 | 16 | 20500 | 27500 | 15000 | |
| K25X33X20 | 25 | 33 | 20 | 28000 | 37500 | 15000 | |
| K25X33X24 | 25 | 33 | 24 | 33900 | 46500 | 15000 | |
| K25X34X18 | 25 | 34 | 18 | 48000 | 67000 | 15000 | |
| K25X35X30 | 25 | 35 | 30 | 46500 | 61500 | 14000 | |
| K25X30X26 ZW | 25 | 30 | 26 | 21000 | 35000 | 14000 | |
| 26 | K26X30X10 | 26 | 30 | 10 | 9500 | 15500 | 16000 |
| K26X30X13 | 26 | 30 | 13 | 11100 | 18700 | 16000 | |
| K26X30X17 | 26 | 30 | 17 | 14700 | 27000 | 16000 | |
| K26X31X13 | 26 | 31 | 13 | 12400 | 18400 | 15000 | |
| K26X30X22 | 26 | 30 | 22 | 15200 | 28000 | 16000 | |
| 27 | K27X32X17 | 27 | 32 | 27 | 16000 | 34000 | 17000 |
| 28 | K28X32X16.5 | 28 | 32 | 16.5 | 15000 | 32400 | 14000 |
| K28X32X17 | 28 | 32 | 17 | 15000 | 32400 | 14000 | |
| K28X33X13 | 28 | 33 | 13 | 14800 | 23600 | 14000 | |
| K28X33X17 | 28 | 33 | 17 | 19100 | 33000 | 14000 | |
| K28X33X27 TN | 28 | 33 | 27 | 22800 | 40500 | 14000 | |
| K28X34X17 | 28 | 34 | 17 | 21300 | 35000 | 14000 | |
| K28X35X16 | 28 | 35 | 16 | 21000 | 29000 | 14000 | |
| K28X35X18 | 28 | 35 | 18 | 23500 | 33500 | 14000 | |
| K28X35X20 | 28 | 35 | 20 | 24000 | 34000 | 14000 | |
| K28X35X27 | 28 | 35 | 27 | 34500 | 54500 | 14000 | |
| K28X36X16 | 28 | 36 | 16 | 34000 | 47000 | 11000 | |
| K28X40X18 | 28 | 40 | 18 | 33000 | 36500 | 12000 | |
| K28X40X25 | 28 | 40 | 25 | 45000 | 54500 | 12000 | |
| 30 | K30X33X10 | 30 | 33 | 10 | |||
| K30X34X13 | 30 | 34 | 13 | 11800 | 21200 | 13000 | |
| K30X35X13 | 30 | 35 | 13 | 15100 | 25000 | 13000 | |
| K30X35X17 | 30 | 35 | 17 | 19100 | 33500 | 13000 | |
| K30X35X26 | 30 | 35 | 26 | ||||
| K30X35X27 | 30 | 35 | 27 | 30000 | 58500 | 13000 | |
| K30X37X16 | 30 | 37 | 16 | 22500 | 33000 | 13000 | |
| K30X38X25 | 30 | 38 | 25 | 16000 | 390000 | 13000 | |
| K30X39X21 | 30 | 39 | 21 | ||||
| K30X40X18 | 30 | 40 | 18 | 31500 | 39500 | 12000 | |
| K30X40X27 | 30 | 40 | 27 | ||||
| K30X40X30 | 30 | 40 | 30 | 48500 | 68500 | 13000 | |
| K30X35X26 | 30 | 35 | 26 | 23500 | 43500 | 12000 | |
| K30X42X44.1 | 30 | 42 | 44.1 | ||||
| 32 | K32X37X13 | 32 | 37 | 13 | 15000 | 25000 | 12000 |
| K32X37X17 | 32 | 37 | 17 | 19400 | 35000 | 12000 | |
| K32X37X27 | 32 | 37 | 27 | 29500 | 59500 | 12000 | |
| K32X37X28 TN | 32 | 37 | 28 | 23100 | 43000 | 12000 | |
| K32X38X16 | 32 | 38 | 16 | 21000 | 34000 | 12000 | |
| K32X38X20 | 32 | 38 | 20 | 26000 | 44500 | 12000 | |
| K32X38X26 TN | 32 | 38 | 26 | 27000 | 46500 | 12000 | |
| K32X39X16 | 32 | 39 | 16 | 23500 | 35000 | 12000 | |
| K32X39X18 | 32 | 39 | 18 | 26000 | 40500 | 12000 | |
| K32X40X20 | 32 | 40 | 20 | 37000 | 40500 | 12000 | |
| K32X40X36 | 32 | 40 | 36 | 53500 | 91500 | 12000 | |
| K32X46X32 | 32 | 46 | 32 | 65500 | 82500 | 11000 | |
| K32X40X42 TN | 32 | 40 | 42 | 49500 | 83500 | 12000 | |
| 35 | K35X40X13 | 35 | 40 | 13 | 15800 | 27500 | 11000 |
| K35X40X17 | 35 | 40 | 17 | 20300 | 38000 | 11000 | |
| K35X40X25 | 35 | 40 | 25 | 29000 | 59500 | 11000 | |
| K35X40X27 TN | 35 | 40 | 27 | 24500 | 48000 | 11000 | |
| K35X40X27 | 35 | 40 | 27 | 27800 | 62100 | 11000 | |
| K35X40X30 | 35 | 40 | 30 | 25000 | 49500 | 11000 | |
| K35X42X16 | 35 | 42 | 16 | 23900 | 37000 | 11000 | |
| K35X42X18 | 35 | 42 | 18 | 27000 | 42500 | 11000 | |
| K35X42X30 | 35 | 42 | 30 | 38500 | 67500 | 11000 | |
| K35X43X18 | 35 | 43 | 18 | 28000 | 41500 | 11000 | |
| K35X45X20 | 35 | 45 | 20 | 36500 | 49500 | 10000 | |
| K35X45X30 | 35 | 45 | 30 | 52500 | 78500 | 10000 | |
| K35X45X49 | 35 | 45 | 49 | 81500 | 13400 | 10000 | |
| K35X40X30 ZW | 35 | 40 | 30 | 31500 | 65500 | 11000 | |
| K35X42X20 ZW | 35 | 42 | 20 | 29500 | 48500 | 11000 | |
| 36 | K36X41X30 | 36 | 41 | 30 | 23000 | 43000 | 11000 |
| K36X42X16 | 36 | 42 | 16 | 24000 | 42000 | 11000 | |
| 37 | K37X42X17 | 37 | 42 | 17 | 21900 | 42500 | 10000 |
| K37X42X27 | 37 | 42 | 27 | 31500 | 67500 | 10000 | |
| K37X45X26 | 37 | 45 | 26 | 43500 | 73500 | 10000 | |
| 38 | K38X43X17 | 38 | 43 | 17 | 20000 | 38000 | 10000 |
| K38X43X27 | 38 | 43 | 27 | 31000 | 67500 | 10000 | |
| K38X46X20 | 38 | 46 | 20 | 35000 | 56500 | 10000 | |
| K38X46X32 | 38 | 46 | 32 | 54500 | 98500 | 10000 | |
| 39 | K39X44X24 | 39 | 44 | 24 | 28000 | 58500 | 10000 |
| K39X44X26 ZW | 39 | 44 | 26 | 27000 | 55500 | 10000 | |
| 40 | K40X44X13 | 40 | 44 | 13 | 13500 | 28000 | 10000 |
| K40X45X13 | 40 | 45 | 13 | 17100 | 32000 | 10000 | |
| K40X45X17 | 40 | 45 | 17 | 20900 | 41000 | 10000 | |
| K40X45X21 | 40 | 45 | 21 | 24400 | 49500 | 10000 | |
| K40X45X27 | 40 | 45 | 27 | 32500 | 72500 | 10000 | |
| K40X46X17 | 40 | 46 | 17 | 24500 | 44500 | 9000 | |
| K40X47X18 | 40 | 47 | 18 | 29000 | 49500 | 9000 | |
| K40X47X20 | 40 | 47 | 20 | 32000 | 56500 | 9000 | |
| K40X48X20 | 40 | 48 | 20 | 35500 | 58500 | 9000 | |
| K40X45X30 ZW | 40 | 45 | 30 | 26000 | 53500 | 9000 | |
| 42 | K42X47X13 | 42 | 47 | 13 | 17300 | 33000 | 9000 |
| K42X47X17 | 42 | 47 | 17 | 21100 | 42500 | 9000 | |
| K42X47X25 TN | 42 | 47 | 25 | 27000 | 57500 | 9000 | |
| K42X47X27 | 42 | 47 | 27 | 33000 | 74500 | 9000 | |
| K42X48X35 | 42 | 48 | 35 | 35000 | 76000 | 9000 | |
| K42X50X18 | 42 | 50 | 18 | 31000 | 49500 | 9000 | |
| K42X50X20 | 42 | 50 | 20 | 34500 | 56500 | 9000 | |
| K42X47X30 ZW | 42 | 47 | 30 | 31000 | 75500 | 9000 | |
| 43 | K43X48X17 | 43 | 48 | 17 | 21000 | 42500 | 9000 |
| K43X48X27 | 43 | 48 | 27 | 33000 | 74500 | 9000 | |
| K43X50X18 | 43 | 50 | 18 | 30500 | 53500 | 8000 | |
| 45 | K45X49X19 | 45 | 49 | 19 | 17500 | 40000 | 8000 |
| K45X50X17 | 45 | 50 | 17 | 22000 | 45000 | 8000 | |
| K45X50X27 | 45 | 50 | 27 | 34000 | 79500 | 8000 | |
| K45X50X32 TN | 45 | 50 | 32 | 38000 | 90500 | 8000 | |
| K45X52X18 | 45 | 52 | 18 | 31000 | 56500 | 8000 | |
| K45X52X21 TN | 45 | 52 | 21 | 39500 | 57500 | 8000 | |
| K45X53X20 | 45 | 53 | 20 | 38500 | 66500 | 8000 | |
| K45X53X21 | 45 | 53 | 21 | 38000 | 66500 | 8000 | |
| K45X53X22 | 45 | 53 | 22 | 42000 | 66500 | 8000 | |
| K45X53X28 | 45 | 53 | 28 | 51500 | 97500 | 8000 | |
| K45X59X18 TN | 45 | 59 | 18 | 43500 | 53500 | 7000 | |
| K45X59X32 | 45 | 59 | 32 | 72500 | 101500 | 7000 | |
| K45X59X36 | 45 | 59 | 36 | 75500 | 108500 | 7000 | |
| K45X51X36 ZW | 45 | 51 | 36 | 44500 | 98500 | 7000 | |
| 47 | K47X52X17 | 47 | 52 | 17 | 22800 | 48500 | 8000 |
| K47X52X27 | 47 | 52 | 27 | 34500 | 82500 | 8000 | |
| K47X53X25 | 47 | 53 | 25 | 38000 | 81500 | 8000 | |
| K47X55X28 | 47 | 55 | 28 | 52500 | 99500 | 7500 | |
| 48 | K48X54X19 | 48 | 54 | 19 | 30000 | 60500 | 7500 |
| K48X54X25 | 48 | 54 | 25 | 31000 | 91000 | 7500 | |
| 50 | K50X55X13.5 | 50 | 55 | 13.5 | 17500 | 36000 | 7500 |
| K50X55X17 | 50 | 55 | 17 | 21400 | 46500 | 7500 | |
| K50X55X20 | 50 | 55 | 20 | 26000 | 59500 | 7500 | |
| K50X55X30 | 50 | 55 | 30 | 38500 | 96500 | 7500 | |
| K50X57X18 | 50 | 57 | 18 | 33000 | 62500 | 7000 | |
| K50X58X20 | 50 | 58 | 20 | 35000 | 61500 | 7000 | |
| K50X58X25 | 50 | 58 | 25 | 43500 | 80500 | 7000 | |
| 52 | K52X57X12 | 52 | 57 | 12 | 17500 | 36000 | 7000 |
| 55 | K55X60X20 | 55 | 60 | 20 | 28000 | 65500 | 6500 |
| K55X60X27 | 55 | 60 | 27 | 37500 | 96500 | 6500 | |
| K55X60X30 | 55 | 60 | 30 | 40500 | 10300 | 6500 | |
| K55X61X20 | 55 | 61 | 20 | 41000 | 11000 | 6500 | |
| K55X62X18 | 55 | 62 | 18 | 35000 | 69500 | 6500 | |
| K55X63X15 | 55 | 63 | 15 | 245000 | 40500 | 6500 | |
| K55X63X20 | 55 | 63 | 20 | 39500 | 73500 | 6500 | |
| K55X63X25 | 55 | 63 | 25 | 49500 | 99500 | 6500 | |
| K55X63X32 | 55 | 63 | 32 | 61500 | 129500 | 6500 | |
| K55X60X40ZW | 55 | 60 | 40 | 48000 | 132000 | 6500 | |
| 56 | K56X61X20 | 56 | 61 | 20 | 27000 | 64500 | 6500 |
| 58 | K58X63X17 | 58 | 63 | 17 | 21500 | 63500 | 6000 |
| K58X64X19 | 58 | 64 | 19 | 24500 | 77500 | 6000 | |
| K58X65X18 | 58 | 65 | 18 | 34500 | 69500 | 6000 | |
| K58X65X38ZW | 58 | 65 | 38 | 48500 | 106500 | 6000 | |
| 60 | K60X65X20 | 60 | 65 | 20 | 29000 | 71500 | 6000 |
| K60X65X30 | 60 | 65 | 30 | 42000 | 115500 | 6000 | |
| K60X68X20 | 60 | 68 | 20 | 43000 | 84500 | 5500 | |
| K60X68X23 | 60 | 68 | 23 | 49000 | 100500 | 5500 | |
| K60X68X25 | 60 | 68 | 25 | 52500 | 110500 | 5500 | |
| K60X68X27 | 60 | 68 | 27 | 59000 | 120500 | 6000 | |
| K60X75X42 | 60 | 75 | 42 | 11300 | 19200 | 5500 | |
| K60X66X33ZW | 60 | 66 | 33 | 45500 | 111500 | 6000 | |
| K60X66X40ZW | 60 | 66 | 40 | 57500 | 150500 | 5500 | |
| K60X68X30ZW | 60 | 68 | 30 | 44000 | 87500 | 5500 | |
| K60X68X34ZW | 60 | 68 | 34 | 47500 | 95500 | 5500 | |
| 62 | K62X70X40ZW | 62 | 70 | 40 | 65500 | 145500 | 5500 |
| 63 | K63X70X21 | 63 | 70 | 21 | 45000 | 100500 | 5500 |
| 64 | K47X70X16 | 64 | 70 | 16 | 27500 | 59500 | 5500 |
| 65 | K65X70X20 | 65 | 70 | 20 | 30000 | 76500 | 5500 |
| K65X70X30 | 65 | 70 | 30 | 43500 | 93500 | 5500 | |
| K65X73X23 | 65 | 73 | 23 | 45500 | 93500 | 5000 | |
| K65X73X30 | 65 | 73 | 30 | 56500 | 122500 | 5000 | |
| 68 | K68X74X20 | 68 | 74 | 20 | 35000 | 83500 | 5000 |
| K68X74X30 | 68 | 74 | 30 | 46000 | 117500 | 5000 | |
| K68X74X35 ZW | 68 | 74 | 35 | 48000 | 124500 | 5000 | |
| K68X75X20 | 68 | 75 | 32 | 53500 | 127500 | 4500 | |
| 70 | K70X76X20 | 70 | 76 | 20 | 35500 | 85500 | 4500 |
| K70X76X30 | 70 | 76 | 30 | 51500 | 138500 | 4500 | |
| K70X78X25 | 70 | 78 | 25 | 51500 | 111500 | 4500 | |
| K70X78X30 | 70 | 78 | 30 | 59500 | 134500 | 4500 | |
| K70X80X30 | 70 | 80 | 30 | 72500 | 147500 | 4500 | |
| K70X78X46 ZW | 70 | 78 | 46 | 77500 | 18800 | 4500 | |
| 72 | K72X80X20 | 80 | 20 | 41000 | 84500 | 4500 | |
| 73 | K73X79X20 | 73 | 79 | 20 | 36500 | 99500 | 4500 |
| 75 | K75X81X20 | 75 | 81 | 20 | 37000 | 93500 | 4500 |
| K75X81X30 | 75 | 81 | 30 | 51500 | 142000 | 4500 | |
| K75X83X23 | 75 | 83 | 23 | 49500 | 108000 | 4000 | |
| K75X83X30 | 75 | 83 | 30 | 91500 | 142000 | 4000 | |
| K75X83X35 ZW | 75 | 83 | 35 | 62500 | 146500 | 4000 | |
| K75X83X40 ZW | 75 | 83 | 40 | 72500 | 176500 | 4000 | |
| 80 | K80X86X20 | 80 | 86 | 20 | 38000 | 97500 | 4000 |
| K80X86X30 | 80 | 86 | 30 | 55500 | 158500 | 4000 | |
| K80X88X30 | 80 | 88 | 30 | 71500 | 178500 | 4000 | |
| K80X88X40 ZW | 80 | 88 | 40 | 75500 | 191500 | 4000 | |
| K80X88X46 ZW | 80 | 88 | 46 | 87500 | 23000 | 4000 | |
| 85 | K85X92X20 | 85 | 92 | 20 | 44000 | 15710 | 3500 |
| 90 | K90X97X20 | 90 | 97 | 20 | 44500 | 112500 | 3000 |
| K90X98X27 | 90 | 98 | 27 | 60500 | 149500 | 3000 | |
| K90X98X30 | 90 | 98 | 30 | 67500 | 171500 | 3000 | |
| 95 | K95X102X20 | 95 | 102 | 20 | 45500 | 122500 | 2900 |
| K95X103X30 ZW | 95 | 103 | 30 | 68500 | 179500 | 2900 | |
| K95X103X40 ZW | 95 | 103 | 40 | 82500 | 227500 | 2900 | |
| 100 | K100X107X21 | 100 | 107 | 21 | 47500 | 126500 | 2700 |
| K100X108X27 | 100 | 108 | 27 | 56500 | 142500 | 2700 | |
| K100X108X30 | 100 | 108 | 30 | 70500 | 187500 | 2700 | |
| 105 | K105X112X21 | 105 | 112 | 21 | 47000 | 126500 | 2500 |
| K105X113X30 | 105 | 113 | 30 | 71500 | 196500 | 2500 | |
| 110 | K110X117X24 | 110 | 117 | 24 | 55500 | 157500 | 2300 |
| K110X118X30 | 110 | 118 | 30 | 77500 | 218500 | 2300 | |
| 115 | K115X123X27 | 115 | 123 | 27 | 63000 | 170000 | 4100 |
| K115X125X35 | 115 | 125 | 35 | 63000 | 170000 | 4100 | |
| K115X125X40 | 115 | 125 | 40 | 65000 | 175000 | 4100 | |
Drawn Cup Needle Roller Bearings(Metric and Inch)
| Bearing No. | Boundary Dimensions(mm) | Basic Load Ratings(N) | Limiting Speed | ||||
| HK | BK | Fw | D | C | Cr | Cor | Oil(RPM) |
| HK0306TN | BK0306TN | 3 | 6.5 | 6 | 1320 | 950 | 60000 |
| HK0408TN | BK0408TN | 4 | 8 | 8 | 1540 | 1070 | 40000 |
| HK0509 | BK0509 | 5 | 9 | 9 | 2200 | 1790 | 36000 |
| HK0608 | – | 6 | 10 | 8 | 1830 | 1550 | 32000 |
| HK0609 | BK0609 | 6 | 10 | 9 | 2650 | 2400 | 30000 |
| HK0708 | – | 7 | 11 | 8 | 2800 | 2150 | 27000 |
| HK0709 | BK0709 | 7 | 11 | 9 | 2800 | 2150 | 27000 |
| HK0808 | BK0808 | 8 | 12 | 8 | 2550 | 2400 | 21000 |
| HK571 | BK571 | 8 | 12 | 10 | 3700 | 3450 | 21000 |
| HK08×14×10 | – | 8 | 14 | 10 | 3800 | 3950 | 25000 |
| HK08×14×12 | – | 8 | 14 | 12 | 4100 | 4320 | 25000 |
| HK571 | BK571 | 9 | 13 | 10 | 4050 | 4250 | 25000 |
| HK571 | – | 9 | 13 | 12 | 5000 | 6000 | 25000 |
| HK1571 | BK1571 | 10 | 14 | 10 | 3900 | 4800 | 19000 |
| HK1012 | BK1012 | 10 | 14 | 10 | 5000 | 6300 | 19000 |
| HK1015 | – | 10 | 14 | 15 | 6700 | 7800 | 19000 |
| HK10×16×10 | – | 10 | 16 | 10 | 6800 | 8800 | 18000 |
| HK10×16×12 | – | 10 | 16 | 12 | 6800 | 8800 | 18000 |
| HK10×16×15 | – | 10 | 16 | 15 | 6800 | 8800 | 19000 |
| HK1210 | BK1210 | 12 | 16 | 10 | 4150 | 5800 | 19000 |
| HK1212 | BK1212 | 12 | 18 | 12 | 3800 | 5100 | 15000 |
| HK12×17×12 | – | 12 | 17 | 12 | 5100 | 7000 | 15000 |
| HK12×17×15 | – | 12 | 17 | 15 | 5100 | 7000 | 15000 |
| HK12×17×18 | – | 12 | 17 | 18 | 5100 | 7000 | 15000 |
| HK12×18×12 | BK12×18×12 | 12 | 18 | 12 | 550 | 6300 | 17000 |
| HK1312 | BK1312 | 13 | 19 | 12 | 6200 | 7100 | 17000 |
| HK13.5×20×12 | – | 13.5 | 20 | 12 | 6250 | 7590 | 16000 |
| HK1412 | – | 14 | 20 | 12 | 6800 | 7500 | 14000 |
| HK1416 | – | 14 | 20 | 16 | 7300 | 9000 | 14000 |
| HK15×20×12 | – | 15 | 20 | 12 | 5800 | 6000 | 14000 |
| HK15×20×16 | – | 15 | 20 | 16 | 6000 | 6200 | 14000 |
| HK15×20×20 | – | 15 | 20 | 20 | 6100 | 6400 | 14000 |
| HK1512 | BK1512 | 15 | 21 | 12 | 7000 | 8400 | 14000 |
| HK1514 | – | 15 | 21 | 14 | 8500 | 10400 | 13000 |
| HK1515 | – | 15 | 21 | 15 | 9100 | 11400 | 13000 |
| HK1516 | BK1516 | 15 | 21 | 16 | 9800 | 11400 | 14000 |
| HK1522 | – | 15 | 21 | 22 | 10400 | 16500 | 14000 |
| HK15×22×12 | – | 15 | 22 | 12 | 14300 | 18400 | 13000 |
| HK1612 | BK1612 | 16 | 22 | 12 | 7100 | 9200 | 14000 |
| HK1614 | – | 16 | 22 | 14 | 8800 | 9900 | 12000 |
| HK1616 | BK1616 | 16 | 22 | 16 | 15710 | 14300 | 14000 |
| HK1622 | – | 16 | 22 | 22 | 11100 | 17400 | 14000 |
| HK1712 | – | 17 | 23 | 12 | 6900 | 9300 | 13000 |
| HK1714 | – | 17 | 23 | 14 | 6800 | 15710 | 10000 |
| HK1716 | – | 17 | 23 | 16 | 8500 | 12500 | 10000 |
| HK1718 | – | 17 | 23 | 18 | 9500 | 10600 | 10000 |
| HK17×25×14 | – | 17 | 25 | 14 | 13100 | 147000 | 10000 |
| HK17×25×18 | – | 17 | 25 | 18 | 9500 | 10600 | 11000 |
| HK1812 | – | 18 | 24 | 12 | 7100 | 9900 | 12000 |
| HK1816 | BK1816 | 18 | 24 | 16 | 10600 | 15300 | 12000 |
| HK2571 | – | 20 | 26 | 10 | 5900 | 7200 | 10000 |
| HK2014 | – | 20 | 26 | 14 | 9700 | 18100 | 9000 |
| HK2016 | BK2016 | 20 | 26 | 16 | 11700 | 29100 | 10000 |
| HK2018 | – | 20 | 26 | 18 | 7900 | 12800 | 9000 |
| HK2571 | – | 20 | 26 | 20 | 13700 | 24000 | 10000 |
| HK2030 | – | 20 | 26 | 30 | 21800 | 40000 | 15710 |
| HK20×27×20 | – | 20 | 27 | 20 | 26300 | 47800 | 9900 |
| HK2210 | – | 22 | 28 | 10 | 7200 | 9500 | 1571 |
| HK2212 | BK2212 | 22 | 28 | 12 | 8100 | 10400 | 1571 |
| HK22×29×30 | – | 22 | 29 | 30 | 19400 | 33100 | 9000 |
| HK2512 | BK2512 | 25 | 32 | 12 | 10000 | 14200 | 9000 |
| HK2525 | BK2525 | 25 | 32 | 25 | 22200 | 36700 | 9000 |
| HK2816 | BK2816 | 28 | 35 | 16 | 15400 | 22500 | 8700 |
| HK2820 | BK2820 | 28 | 35 | 20 | 18900 | 32000 | 8700 |
| HK3012 | BK3012 | 30 | 37 | 12 | 15710 | 16200 | 8100 |
| HK3571 | BK3571 | 30 | 37 | 20 | 19700 | 33500 | 8100 |
| HK3224 | – | 32 | 39 | 24 | 25500 | 5200 | 7300 |
| HK3516 | BK3516 | 35 | 42 | 16 | 15700 | 27500 | 7100 |
| HK4012 | BK4012 | 40 | 47 | 12 | 14000 | 24300 | 6300 |
| HK4512 | BK4512 | 45 | 52 | 12 | 12900 | 22500 | 5800 |
| HK5571 | BK5571 | 50 | 58 | 20 | 28000 | 60000 | 5300 |
| HK6012 | BK6012 | 60 | 68 | 12 | 12400 | 29000 | 4100 |
| SCE | BCE | Fw | D | C | Cr | Cor | Oil(RPM) |
| SCE44 | BCE44 | 6.35 | 11.112 | 6.35 | 1602 | 1157 | 35000 |
| SCE45 | BCE45 | 6.35 | 11.112 | 7.94 | 2536 | 2092 | 35000 |
| SCE55 | BCE55 | 7.938 | 12.7 | 7.94 | 2892 | 2625 | 29000 |
| SCE65 | BCE65 | 9,525 | 14.288 | 7.94 | 2892 | 2417 | 25000 |
| SCE67 | BCE67 | 9,525 | 14.288 | 11.11 | 4361 | 4583 | 25000 |
| SCE87 | BCE87 | 12.7 | 17.462 | 11.11 | 5918 | 7387 | 19000 |
| SCE88 | BCE88 | 12.7 | 17.462 | 12.7 | 6897 | 9033 | 19000 |
| SCE810 | BCE810 | 12.7 | 17.462 | 15.88 | 8811 | 12237 | 19000 |
| SCE95 | BCE95 | 14.288 | 19.05 | 7.94 | 4049 | 4717 | 18000 |
| SCE96 | BCE96 | 14.288 | 19.05 | 9.52 | 5162 | 6408 | 18000 |
| SCE98 | BCE98 | 14.288 | 19.05 | 12.7 | 7698 | 1 0571 | 18000 |
| SCE910 | BCE910 | 14.288 | 19.05 | 15.88 | 9434 | 14017 | 18000 |
| SCE912 | BCE912 | 14.288 | 19.05 | 19.05 | 1571 | 16465 | 18000 |
| SCE108 | BCE108 | 15.875 | 20.638 | 12.7 | 8743 | 12015 | 16000 |
| SCE1571 | BCE1571 | 15.875 | 20.638 | 15.88 | 10368 | 16242 | 16000 |
| SCE1012 | BCE1012 | 15.875 | 20.638 | 19.05 | 12015 | 19802 | 16000 |
| SCE116 | BCE116 | 17.462 | 22.225 | 9.52 | 5740 | 7976 | 15000 |
| SCE1210 | BCE1210 | 19.05 | 25.4 | 15.88 | 12682 | 17577 | 13000 |
| SCE1212 | BCE1212 | 19.05 | 25.4 | 19.05 | 15352 | 22250 | 13000 |
| SCE1312 | BCE1312 | 20.638 | 26.988 | 19.05 | 16571 | 23585 | 12000 |
| SCE148 | BCE148 | 22.225 | 28.575 | 12.7 | 11125 | 15797 | 11000 |
| SCE1412 | BCE1412 | 22.225 | 28.575 | 19.05 | 16910 | 27145 | 11000 |
| SCE1516 | BCE1516 | 23.812 | 30.162 | 25.4 | 24030 | 43165 | 11000 |
| SCE168 | BCE168 | 25.4 | 31.72 | 12.7 | 12682 | 19135 | 10000 |
| SCE1612 | BCE1612 | 25.4 | 31.72 | 19.05 | 18571 | 30260 | 10000 |
| SCE1616 | BCE1616 | 25.4 | 31.72 | 25.4 | 24920 | 45390 | 10000 |
| SCE188 | BCE188 | 28.575 | 34.925 | 12.7 | 12905 | 25717 | 9000 |
| SCE1812 | BCE1812 | 28.575 | 34.925 | 19.05 | 18912 | 33375 | 9000 |
| SCE1816 | BCE1816 | 28.575 | 34.925 | 25.4 | 25810 | 49395 | 9000 |
| SCE2012 | BCE2012 | 31.75 | 38.1 | 19.05 | 21137 | 39605 | 8000 |
| SCE2016 | BCE2016 | 31.75 | 38.1 | 25.4 | 27145 | 54735 | 8000 |
| SCE2212 | BCE2212 | 34.925 | 41.275 | 19.05 | 21360 | 42750 | 7500 |
| SCE2216 | BCE2216 | 34.925 | 41.275 | 25.4 | 27590 | 59185 | 7500 |
| SCE2416 | BCE2416 | 38.1 | 47.625 | 25.4 | 38715 | 66305 | 6500 |
| SCE2816 | BCE2816 | 44.45 | 53.975 | 25.4 | 41385 | 75650 | 6000 |
| SCE3220 | BCE3220 | 50.8 | 60.325 | 31.75 | 55180 | 115700 | 5000 |
Thrust Needle Roller Bearings(Metric and Inch)
| Bearing No. | Boundary Dimensions(mm) | Basic Load Ratings(N) | Limiting Speed | |||
| Dc1 | Dc | Dw | Ca | Coa | Oil(RPM) | |
| AXK571TN | 4 | 14 | 2 | 4450 | 8000 | 18000 |
| AXK571TN | 5 | 15 | 2 | 4750 | 9200 | 17000 |
| AXK0619TN | 6 | 19 | 2 | 6800 | 15500 | 16000 |
| AXK0821TN | 8 | 21 | 2 | 7800 | 19400 | 15000 |
| AXK1571 | 10 | 24 | 2 | 9200 | 25500 | 14000 |
| AXK1226 | 12 | 26 | 2 | 9900 | 29000 | 13000 |
| AXK1528 | 15 | 28 | 2 | 11300 | 36000 | 11000 |
| AXK1730 | 17 | 30 | 2 | 11900 | 39500 | 10000 |
| AXK2035 | 20 | 35 | 2 | 13100 | 46500 | 8500 |
| AXK2542 | 25 | 42 | 2 | 14700 | 58000 | 7000 |
| AXK3047 | 30 | 47 | 2 | 16300 | 70000 | 6000 |
| AXK3552 | 35 | 52 | 2 | 17800 | 81000 | 5500 |
| AXK4060 | 40 | 60 | 3 | 28000 | 114000 | 4700 |
| AXK4565 | 45 | 65 | 3 | 30000 | 128000 | 4300 |
| AXK5070 | 50 | 70 | 3 | 32000 | 143000 | 3900 |
| AXK5578 | 55 | 78 | 3 | 38000 | 186000 | 3500 |
| AXK6085 | 60 | 85 | 3 | 44500 | 234000 | 3200 |
| AXK6590 | 65 | 90 | 3 | 46500 | 255000 | 3000 |
| AXK7095 | 70 | 95 | 4 | 54000 | 255000 | 2900 |
| AXK75100 | 75 | 100 | 4 | 55000 | 265000 | 2700 |
| AXK85715 | 80 | 105 | 4 | 56000 | 280000 | 2600 |
| AXK85110 | 85 | 110 | 4 | 58000 | 290000 | 2400 |
| AXK90120 | 90 | 120 | 4 | 73000 | 405000 | 2300 |
| AXK100135 | 100 | 135 | 4 | 91000 | 560000 | 2000 |
| AXK110145 | 110 | 145 | 4 | 97000 | 620000 | 1900 |
| AXK120155 | 120 | 155 | 4 | 157100 | 680000 | 1700 |
| AXK130170 | 130 | 170 | 5 | 133000 | 840000 | 1600 |
| AXK140180 | 140 | 180 | 5 | 138000 | 900000 | 1500 |
| AXK150190 | 150 | 190 | 5 | 143000 | 960000 | 1400 |
| AXK165710 | 160 | 200 | 5 | 148000 | 1571000 | 1300 |
| NTA411 | 6.35 | 17.45 | 1.984 | 4100 | 9100 | 28000 |
| NTA512 | 7.93 | 19.05 | 1.984 | 4600 | 11100 | 25000 |
| NTA613 | 9.52 | 20.63 | 1.984 | 4800 | 12100 | 23000 |
| NTA815 | 12.7 | 23.8 | 1.984 | 5700 | 16200 | 19000 |
| NTA916 | 14.27 | 25.4 | 1.984 | 6200 | 18200 | 18000 |
| NTA1018 | 15.88 | 28.58 | 1.984 | 7000 | 22500 | 16000 |
| NTA1220 | 19.05 | 31.75 | 1.984 | 7800 | 27000 | 14000 |
| NTA1423 | 22.23 | 36.51 | 1.984 | 10400 | 40900 | 12000 |
| NTA1625 | 25.4 | 39.68 | 1.984 | 10700 | 43900 | 11000 |
| NTA1828 | 28.58 | 44.45 | 1.984 | 13500 | 60900 | 9800 |
| NTA2031 | 31.75 | 49.21 | 1.984 | 16400 | 80900 | 8800 |
| NTA2233 | 34.92 | 52.38 | 1.984 | 17400 | 89400 | 8200 |
| NTA2435 | 38.1 | 55.56 | 1.984 | 18900 | 157100 | 7700 |
| NTA2840 | 44.45 | 63.5 | 1.984 | 20600 | 119600 | 6900 |
| NTA3244 | 50.8 | 69.85 | 1.984 | 19500 | 115200 | 6200 |
| NTA3446 | 53.98 | 73.02 | 1.984 | 19900 | 119600 | 5900 |
| NTA3648 | 57.15 | 76.2 | 1.984 | 25710 | 123600 | 5700 |
| NTA3650 | 57.15 | 79.38 | 3.175 | 32900 | 168100 | 5300 |
| NTA4052 | 63.5 | 82.55 | 1.984 | 20700 | 132100 | 5200 |
| NTA4458 | 69.85 | 92.08 | 3.175 | 41700 | 242400 | 4600 |
| NTA4860 | 76.2 | 95.25 | 1.984 | 21900 | 149400 | 4500 |
| NTA5266 | 82.55 | 104.78 | 3.175 | 44900 | 279700 | 4000 |
| NTA6074 | 95.25 | 117.48 | 3.175 | 48900 | 326400 | 3500 |
| NTA6681 | 104.78 | 128.58 | 3.175 | 55600 | 395400 | 3200 |
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How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.


editor by CX 2024-04-16
China EFANT china OEM manufacturer Aerospace YRT series Nylon retainer BRASS CAGE YRT150 YRT100 YRTC50 rotary table bearing bearing block
Kind: Slewing Bearing
Applicable Industries: Developing Materials Stores, Production Plant, Equipment Mend Stores, Construction works , Energy & Mining
Model Amount: YRT150
Function: CROSS ROLLER
Equipment Possibilities: Nongeared
Seals Sort: sealed
Merchandise Name: YRT150rotary desk bearing
Substance: Gcr15/Gcr15SiMn
Service: OEM Customized Services
Certificate: ISO
PAYMENT: T/T
Application: Rotating Machine
Hardness: Quenching
Bundle: Wood Box
CAGE: Nylon Cage
warmth therapy: Custom-made
Packaging Information: vacuum packageWrapped packagewooden box package
Goods Description
| Model | Inner Dia. | Outer Dia. | Height | Height1 | Normal tolerance | Strict tolerance | Height2 |
| d(mm) | D(mm) | H(mm) | H1(mm) | δH1(mm) | δH1(mm) | H2(mm) | |
| EFRT50 | 50 | 126 | 30 | 20 | ±0.one hundred twenty five | ±0.571 | 10 |
| EFRT80 | 80 | 146 | 35 | 23.35 | ±0.15 | ±0.571 | 11.sixty five |
| EFRT100 | 100 | 185 | 38 | 25 | ±0.175 | ±0.571 | 13 |
| EFRT120 | 120 | 210 | 40 | 26 | ±0.one hundred seventy five | ± CNC DC stepper motor kits 3pcs DM542 driver+ 3 pcs Nema23 76mm 2m motor+1 established MACH3 +1 pcs 350W 36V HLTNC electrical power source for CNC .571 | 14 |
| EFRT150 | 150 | 240 | 40 | 26 | ±0.one hundred seventy five | ±0.03 | 14 |
| EFRT180 | 180 | 280 | 43 | 29 | ±0.one hundred seventy five | ±0.03 | 14 |
| EFRT200 | 200 | 300 | 45 | 30 | ±0.175 | ±0.03 | 15 |
| EFRT260 | 260 | 385 | 55 | 36.five | ±0.two | ±0.04 | 18.five |
| EFRT325 | 325 | 450 | 60 | 40 | ±0.two | ±0.05 | 20 |
| EFRT395 | 395 | 525 | 65 | 42.5 | ±0.two | ±0.05 | 22.5 |
| EFRT460 | 460 | 600 | 70 | 46 | ±0.225 | ± extended tail mud motor A85 .06 | 24 |
| EFRT580 | 580 | 750 | 90 | 60 | ±0.twenty five | ±0.075 | 30 |
| EFRT650 | 650 | 870 | 122 | 78 | ±0.25 | ±0.one hundred | 44 |
| EFRT850 | 850 | 1095 | 124 | 80.5 | ±0.three | ±0.120 | 43.5 |
| EFRT950 | 950 | 1200 | 132 | 86 | ±0.three | ±0.a hundred and twenty | 46 |
| EFRT1030 | 1030 | 1300 | 145 | 92.five | ±0.3 | ±0.150 | 52.5 |
| EFRT1200 | 1200 | 1490 | 164 | 108 | ±0.3 | ±0.one hundred fifty | 52.five |
Types of Ball Bearings
There are many types of Ball Bearings available on the market, but which one is best for your application? Here, we will discuss the differences between Angular contact, Single-row, High-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the center of each. These races are important in keeping the balls contained within the cylinder. They also provide a groove-baed pathway.
Ceramic
The ceramic ball used in ball bearings has many advantages. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits longer fatigue life. All of these factors make the ceramic ball a good choice for many applications. But, how do you know if a ceramic ball bearing is right for your application? Read on to discover why ceramic ball bearings are a better choice than steel or stainless steel ones.
The ceramic balls are 40% more dense than steel. This means less centrifugal force is generated on the bearing, which suppresses heat generation. Because of this reduced friction, ceramic bearings are more efficient at transferring energy. Compared to steel bearings, ceramic balls have longer life spans. Nonetheless, these ceramic balls aren’t as strong as steel. Therefore, it is important to understand the limitations of the ceramic ball bearing before buying one.
The ceramic materials used for ball bearings are resistant to micro-welding. Metals undergo this process when imperfections in the surfaces interact. Eventually, this results in a brittle ball that reduces the life of a bearing. Unlike metals, ceramic materials have a stable behavior at high temperatures and exhibit less thermal expansion. This means that they can be used for applications where lubrication isn’t an option.
While steel balls can easily absorb contaminants and foreign particles, the ceramic ball is insensitive to this, and doesn’t require lubrication. This means they’re not susceptible to corrosion and other common problems. These are just a few reasons why ceramics are a better choice. This technology has a wide range of uses. It’s easy to see why it is so popular. If you’re looking for a new bearing for your application, be sure to contact an AST Applications Engineer. They can analyze your operating conditions and potential failure modes.
Angular contact
An Angular Contact Ball Bearing (also known as an angular-contact bearing) has an axial component that is generated when radial loads are applied. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also available with Super Finished Raceways to reduce noise and improve lubricant distribution. Angular contact ball bearings have various design units, such as bore size, outer diameter, and outer ring width.
A single-row angular contact bearing has a radial contact angle that is equal to the angular distance between the two rings. Double-row angular bearings are designed for two-way thrust capability. These types of bearings can be purchased at Grainger and other online retailers. A typical angular contact bearing will last up to a million revolutions. They are often used in industrial angular contact bearings.
Single-row angular contact ball bearings feature a set contact angle. These bearings can support radial and axial loads, but they can’t withstand high speeds. Single-row angular contact ball bearings may also have one or two shoulders relieved. Thrust load is a pressure placed on the bearing when it is installed in an assembly, and it is used to create an angle between the races.
Angular contact ball bearings come in single and double-row configurations. They differ in the axial load they can carry and the type of lubrication they use. Angular contact ball bearings are ideal for high-speed applications and can accommodate both radial and axial loads. The type of contact and lubrication used in angular-contact ball bearings depends on the intended use for the bearing.
High-carbon steel
Carbon steel is a low-alloy and high-carbon steel used in bearings. This material provides superior strength and fatigue properties for ball and roller bearings. Its mechanical properties are ideal for applications where the temperature is less than 400 degrees Fahrenheit. High-carbon steel is also used to make bearing components for chrome steel bearings. These types of steels are softer than chrome steel but provide superior durability in applications where the material is exposed to severe conditions.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a variety of automotive, commercial, and semi-precision applications. In addition to automotive applications, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are used in bearings. They can be purchased in a variety of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated varieties for decorative purposes.
In order to determine whether a ball bearing is made of high-carbon steel, the material must be tested for its hardness. An ordinary pocket magnet will work well, but an ordinary rare earth magnet isn’t powerful enough to measure the hardness. If it attracts the magnet strongly, the metal is steel, while a weak magnet indicates a non-ferrous material. A hardness test requires a special microhardness test.
A lower-carbon steel is another option. Some miniature bearing manufacturers use a material with less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. After being heat-treated, it develops smaller carbides, resulting in superior low-noise characteristics and the same corrosion-resistance as 440C. These materials are a less expensive alternative than chrome steel, but they are often less durable than chrome alloy steel.
Single-row
Single-row angular contact ball bearings accommodate axial loads in one direction. These are normally adjusted against a second bearing. Unlike other ball bearings, they are non-separable and contain an upper and lower shoulder. Single-row ball bearings are made of Chromium Steel (GCr15) which is heat-treated to achieve high uniform hardness and excellent wear resistance. They are the most commonly used type of bearings in the world.
Because of the angular contact between the radial plane and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A higher a, the greater the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are ideal for high axial loads. However, they have limited preload capabilities and must be installed in pairs. Hence, they are best used for applications where axial forces must be distributed.
Single-row ball bearings can be pre-lubricated and have steel shields. They are also available with rubber seals or snap rings on the outside edge. They are available with various retainers, including pressed steel cages, plastic shields, and rubber seals. A tapered bore is also available upon request. They are ideal for applications where space is limited. The 6200 series of bearings are especially well suited for electrical motors, dental hand tools, and optical encoders.
Single-row angular contact ball bearings are widely used for axial loads. The outer and inner rings have slightly larger radii than the balls. These bearings can accommodate high speeds and low torque. They can also be supplied with different grease levels. If grease is needed, you can choose a lubricant that has different characteristics depending on the application. They are easy to install and maintain. However, they are not recommended for adjacent mounting.
Plastic
A plastic ball bearing is a highly versatile component that can be mounted in a variety of components, including wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The inner ring can be made of a shaft or polymer. The integrated design of a plastic ball bearing helps to reduce assembly time and cost. Here are some of the benefits of this type of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have less magnetic properties than steel balls, making them the best option for applications requiring low weight and noise. Glass balls are also lighter than stainless steel balls, making them the ideal metal-free choice. They are also very corrosion-resistant, which makes them a great choice for some applications. In addition to being lightweight, polymer ball bearings are also quiet. And because of their low weight, plastic ball bearings are ideal for applications that require fast speed.
Another advantage of plastic bearings is their ability to withstand high temperatures. This material is also abrasion and corrosion-resistant. It meets FDA and USDA acceptance requirements. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Aside from being extremely durable and flexible, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and ultra high molecular weight polyethylene. Nonetheless, plastics have limitations, and these materials may be damaged by extreme temperatures or cold flow under heavy loads.
Other advantages of plastic ball bearings include their low density, high hardness and low friction coefficient, and ability to withstand heat and corrosion. Ceramics are also lightweight, non-conductive, and have superior resistance to friction. These products can withstand temperatures up to 1,800 degrees Fahrenheit. If you’re in the market for a plastic ball bearing, it’s important to choose the right type of material. And if you’re looking for a high-quality bearing, look no further.

editor by czh 2023-02-18
China Brass Cage Large Ball Bearing 6326M 6328M 6330M Insulated bearing 6326 Deep Groove Ball Bearing for Power plant manufacturer
Type: BALL, Deep groove Ball Bearing
Structure: Deep Groove
Applicable Industries: Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company
Bore Size: 180 – 180.01 mm
Model Number: 6326M
Precision Rating: P6 P5 P0
Seals Type: ZZ/OPEN
Number of Row: Single row
Product Name: Radial Ball bearing 6326M 6328M 6330M
Material: Bearing Steel,Chrome steel
Cage: Brass Cage, Nylon Cage
Feature: High Speed Low Noise
size: 130*280*58mm
Clearance: C0 C2 C3 C4 C5
Brand: HGJX or Customized
Package: Pallet,wooden case,commercial packaging or as customers’ requirement.
Application: Electric Morot Bearing,Mining. Metallurgy. Agriculture. Chemical
Packaging Details: 1.Anti-rust oil or tin plating 2.Rolled by high quality plastic paper or put into plastic bag 3.Plastic bag outside rollers 4.Good quality cartons 5Accept the customized.
Port: HangZhou Port ,ZheJiang Port
Products Description Brass Cage Large Ball Bearing 6326M 6328M 6330M Insulated bearing 6326 Deep Groove Ball Bearing for Power plant Single row deep groove ball bearings are manufactured as open type (unsealed), sealed and shielded, the most popular sizes of deep groove ball bearings are also produced in sealed versions with shields or contact seals on 1 or both sides, the bearings with shields or seals on both sides are lubricated for life and are maintenance free. A sealed bearings seals has contact on the bearings inner and outer, a shielded bearings shield has contact on the outer only, and Shielded bearings are primarily intended for applications where the inner ring rotates. If the outer ring rotates, there is a risk that the grease will leak from the bearing at high speeds.
| Product Name | Brass Cage Large Ball Bearing 6326M 6328M 6330M Insulated bearing 6326 Deep Groove Ball Bearing for Power plant | ||||||
| Material | Bearing steel/Chrome steel | ||||||
| Precision Grade | P0 P5 P6 are all available | ||||||
| Structure | Single row deep groove ball bearing | ||||||
| Size | 130x280x58mm | ||||||
| Brand | HGJX Or Customized | ||||||
| Feature | High speed, Lower Friction,Single row for supporting radial load,Low noisy | ||||||
| Delivery Time | Generally it is 3-5 days if in stock, 15-30 days if not in stock, it is according to the quantity | ||||||
| Package | PE bag+paper box+outer carton+wooden box+pallet, or as customers’ requirement | ||||||
| Payment | Payment<=2 or account, we will contact you as soon as possible and providethe detailed information you need.
Types of Ball BearingsIf you’re looking to purchase a new ball bearing, there are many different types available. Learn about Single-row designs, Ceramic hybrid bearings, and Self-aligning ball bearings. You can also choose from stainless steel or single-row designs. Then, read about the different types of materials available to you. You’ll have an easier time making a decision. After all, you won’t have to worry about maintaining your new ball bearing, since it will be maintained by your supplier. Single-row designsBall bearings with a single-row design have a high load-carrying capacity. They are used in applications where high loads must be handled smoothly. A single-row design is a good choice when the material’s properties require high load-carrying capacity but limited axial load capability. Single-row designs use two bearings with similar design features, but they have different mounting methods. Single-row designs can be adjusted either against one another to accommodate axial loads. Ceramic hybrid bearingsWhile all-ceramic bearings are limited to very specialized applications, Si3N4-based hybrid bearings are finding use in a wide range of high-speed machines. Compared to steel, ceramics are less susceptible to centrifugal forces, which are directly proportional to the mass of the balls. Because Si3N4 replacement balls have a lower density than steel, these bearings reduce the stress placed on the outer race. Self-aligning ball bearingsA self-aligning ball bearing is one type of self-aligning bearing. These bearings are recommended for use in flex shaft systems. Their self-aligning feature prevents them from misaligning when in use. They can be used in both single and multiple-joint systems. In addition to self-aligning ball bearings, these units also feature flex shafts. Stainless steelStainless steel is a metal that resists corrosion and is highly durable. Its corrosion-resistant and water-resistance properties make it a good choice for bearings in food and marine applications. Additionally, stainless steel has hygienic benefits. Here are some of the benefits of stainless steel ball bearings. Read on to learn more about these amazing bearings! We’ve included some of the most common uses for stainless steel. Plastic ballsFor applications where noise and weight are major concerns, plastic balls are ideal. These non-magnetic balls are ideal for MRI X-ray machines and sensors. They are also easy to lubricate, and are non-magnetic. A polymer ball bearing is the lightest of all three types. This makes them a good choice for many industries. Read on to learn more. This article will introduce some of the advantages of plastic balls for ball bearings.
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