ZJU High-Precision 6300-6310 Deep Groove Ball Bearings
Basic Info.
| Inner Diameter | 50 mm |
| Outer Diameter | 110 mm |
| Width | 27 mm |
| Model | 6310 |
| Type | Radial Ball Bearing, Non-Aligning, Single Row |
| Material | Bearing Steel |
High-quality deep groove ball bearing 6310 with rich stock, open/ZZ/2RS sealing options, and industrial packaging. Designed for radial load applications with precision tolerance and durable steel construction.
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
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Specifications
| Bore Diameter | 5 mm |
| Outer Diameter | 11 mm |
| Width | 3 mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Model NO. | S685ZZ |
Description
Precision radial bearing with 5x11x3mm dimensions, made of high-quality bearing steel. Ideal for light-load, high-speed applications. Sealed design ensures durability and smooth operation. Manufactured by NTN with global production standards.
Specifications
| Bore Diameter | Variants: 10mm to 25mm (6200-6205) |
| Outer Diameter | Variants: 30mm to 52mm |
| Width | Variants: 9mm to 15mm |
| Delivery Rate | 100.0% |
| Production Capacity | 200,000,000 Pcs/Year |
| Origin | China |
Description
High-quality NTN, NSK, Koyo branded 6200 series deep groove ball bearings. Precision-engineered for reliability, available in multiple sizes, ideal for industrial applications.
Specifications
| Bore Diameter | 9mm |
| Outer Diameter | 26mm |
| Width | 8mm |
| Model No. | 6700 |
| Material | Material Options Are Available |
| Origin | China |
Description
Premium Deep Groove Ball Bearing with BDL trademark, ideal for various industrial applications. High precision and durability ensure reliable performance. Manufactured in China with a production capacity of 1,000,000 units.
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.
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
| Model No. | 6201 2RS |
| Trademark | KOYO |
| Origin | China |
| Transport Package | Standard Industrial Packaging |
| HS Code | 8482102000 |
Description
High-quality deep groove ball bearing with dust seals on both sides, suitable for various industrial applications requiring reliable performance and long service life.
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. | 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
| Bore Diameter | 15mm |
| Outer Diameter | 42mm |
| Width | 13mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Model | S6305ZZ |
Description
Precision radial bearing with 15x42x13mm dimensions, made of high-quality bearing steel. Ideal for various industrial applications requiring reliable performance and durability.
Specifications
| Model No. | 6202 2RS |
| Trademark | KOYO |
| Origin | China |
| HS Code | 8482102000 |
| Packaging | Standard Industrial Packaging |
Description
High-quality deep groove ball bearing with reliable performance for various industrial applications. Sealed design ensures durability and long service life.
Specifications
| Bore Diameter | 85 mm |
| Outer Diameter | 150 mm |
| Width | 28 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Precision deep groove ball bearing with high load capacity, suitable for radial loads. Made of high-quality bearing steel with P0-P2 precision ratings, ideal for industrial and OEM applications.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 90 mm |
| Width | 18 mm |
| Model No. | 6011-2RS |
| Material | Bearing Steel |
| Origin | Japan |
Description
Precision radial bearing with non-aligning design, suitable for high-speed applications. Made of high-quality bearing steel, ensuring durability and performance. Ideal for OEM and industrial use.

















