Bearings Factory 634-639 Ball Bearings for NTN NSK Koyo High Precision
Specifications
| Bore Diameter | Varied models (634-639) |
| Outer Diameter | Different sizes available |
| Width | Standard industrial dimensions |
| Material | NSK NTN NACHI Timken Koyo |
| Origin | China |
| Capacity | 200,000,000 Pcs/Year |
Description
High precision bearings with 100% on-time delivery. Suitable for industrial applications, featuring reliable performance and standard packaging.
Basic Info.
- Pillow Block Bearing
- Cylindrical Roller Bearing
- Spherical Plain Bearing
- Thrust Self-aligning Roller Bearing
- Plain Bearing
- Spherical Roller Bearing
- Self-Aligning Ball Bearing
- Taper Roller Bearing
- Thrust Needle Roller Bearing
- Needle Bearing
- Bearing Block
- Deep Groove Ball Bearing
- Alloy Guide Rail
- Angular Contact Ball Bearing
- Linear Bearing
- Auto Bearing
- Machine Tools Accessories
- Auto Air Conditioning Compressor
- Thrust Ball Bearing
Related Products
Specifications
| Bore Diameter (d): | 17 mm |
| Outer Diameter (D): | 40 mm |
| Width (B): | 12 mm |
| Model No.: | 6203 2RS |
| Trademark: | KOYO |
| Origin: | China |
Description
High-quality deep groove ball bearing 6203 2RS by KOYO, suitable for various industrial applications. Sealed design ensures reliable performance with minimal maintenance.
Specifications
| Model No. | 6812 |
| Dimensions | 60*78*10mm |
| Lubrication | Grease or Oil |
| Certification | ISO9001:2008 |
| Origin | China |
| OEM/ODM Service | Available |
Description
Precision bearing model 6812 from BDL, featuring reliable grease or oil lubrication. Certified under ISO9001:2008, manufactured in China with strong production capacity. Ideal for industrial applications requiring durability and consistent performance. Packaging tailored for safe dispatch worldwide.
Specifications
| Bore x Outer x Width | 25 x 52 x 15 mm |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Clearance | C0 / C2 / C3 |
| Feature | High Speed, Low Noise, Long Life |
| Origin | Japan |
Overview
NACHI 6205 bearing offers high precision and reliability for demanding applications. Designed for smooth, quiet operation with excellent durability. Available in various clearance and precision grades to meet specific requirements.
Specifications
| Model No. | S6011 |
| Origin | Germany, Sweden, Japan |
| HS Code | 8482102000 |
| Specification | 55*90*18mm |
| Trademark | SKF |
| Certification | ISO9001:2008 |
Description
High-quality bearing with stable performance, widely used in industrial machinery. Made by SKF, ensuring reliability and durability under various operating conditions.
Specifications
| Model No. | 6300, 6301, 6305, 6204, 6201, 6203, 6205 |
| Delivery Rate | 100.0% |
| Capacity | 200,000,000 Pcs/Year |
| Package | Standard Industrial Packaging |
| Origin | China |
| HS Code | 8482102000 |
Description
High-quality bearings from China with reliable performance and on-time delivery. Suitable for various industrial applications.
Product Parameters
| Inner Diameter | Varies by model |
| Outer Diameter | Varies by model |
| Thickness | Varies by size |
| Delivery Rate | 100.0% |
| Capacity | 200,000,000 Pieces/Year |
| Origin | China |
Description
High-quality bearings with reliable on-time delivery. Made in China under strict quality control, suitable for industrial applications worldwide.
Specifications
| Model No. | 6709 |
| Dimensions | 45*55*6mm |
| Lubrication | Grease or Oil |
| Certification | ISO9001:2008 |
| Origin | China |
| HS Code | 8482102000 |
Description
High-quality bearing with reliable performance, suitable for various industrial applications. Complies with ISO9001:2008 standards, offering durability and efficiency. Ideal for OEM and ODM services.
Specifications
| Bore Diameter | 40mm |
| Outer Diameter | 52mm |
| Width | 7mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Origin | Germany/Sweden/Japan |
Description
NTN S6808ZZ deep groove ball bearing, single row design, precision radial performance. Ideal for high-speed applications with reliable durability. Contact angle 0° ensures pure radial load support. Supplied in packed packaging, ready for industrial use.
Specifications
| Bore Diameter | 40 mm |
| Outer Diameter | 90 mm |
| Thickness | 23 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
The NTN 6308ZZ is a single-row radial ball bearing made of high-quality bearing steel, ideal for various industrial applications. It features reliable sealing options (Zz 2RS Open), precise performance ratings (P0-P4), and operates with low vibration levels. Suitable for OEM/ODM use.
Specifications
| Bore Diameter | 105 mm |
| Outer Diameter | 225 mm |
| Width | 49 mm |
| Model No. | 6321-2RS |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Precision radial bearing with non-aligning design, ideal for high-speed applications. Made of durable bearing steel, it offers reliable performance under radial loads. Available with grease or oil lubrication options and comes in standard packaging for safe transport.
Product Parameters
| Bore (d) | 10-45mm |
| Outer Diameter (D) | 30-85mm |
| Width (B) | 9-19mm |
| Model No. | 6200, 6201, 6202, 6203, 6204 |
| Origin | China |
| Trademark | Koyo NTN |
Overview
High-performance bearings with 100% on-time delivery. Durable design, suitable for industrial applications.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 68 mm |
| Width | 7 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
The 6326-2RS bearing is a single-row radial ball bearing made of high-quality bearing steel with precision ratings up to P2. It offers reliable performance under radial loads and supports both grease and oil lubrication. Ideal for industrial applications requiring durability and precision.

















