Koyo 6307-6312 Deep Groove Ball Bearings for Auto & Motorcycle Wheels
Basic Info.
| Inner Diameter | 35–60 mm |
| Outer Diameter | 80–130 mm |
| Thickness | 17–31 mm |
| Delivery Rate | 100.0% |
| Capacity | 200,000,000 pcs/year |
| Origin | China |
High-precision deep groove ball bearings (models 6307–6312), compliant with NSK, NTN, NACHI, Timken and Koyo standards. Manufactured in China with full industrial packaging and HS Code 8482102000.
Basic Info.
- Spherical Roller Bearing
- Taper Roller Bearing
- Alloy Guide Rail
- Thrust Needle Roller Bearing
- Thrust Self-aligning Roller Bearing
- Cylindrical Roller Bearing
- Bearing Block
- Pillow Block Bearing
- Self-Aligning Ball Bearing
- Deep Groove Ball Bearing
- Angular Contact Ball Bearing
- Linear Bearing
- Auto Bearing
- Needle Bearing
- Thrust Ball Bearing
Related Products
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Model No. | 6313 |
| Material | Bearing Steel |
| Brand | NTN |
Description
Premium radial bearing with high load capacity, made of durable bearing steel. Ideal for industrial applications requiring reliable performance. Compact design with precise dimensions for easy integration.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 62 mm |
| Width | 17 mm |
| Material | Bearing Steel |
| Load Type | Radial |
| Sealed Package | Yes |
Description
Precision radial ball bearings with high durability. Ideal for industrial applications requiring reliable performance under radial loads. Made from high-quality bearing steel with a sealed design for long service life.
Specifications
| Bore Diameter | 8 mm |
| Outer Diameter | 22 mm |
| Width | 7 mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Origin | China |
Description
Precision 608 deep groove ball bearing with radial load capacity, made from high-quality bearing steel. Compact 8x22x7mm design ideal for various industrial and mechanical applications. Sealed and ready for reliable performance.
Specifications
| Model No. | 6000/6200/6300 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Feature | High Speed, Low Noise, Long Life |
Description
High-performance radial bearings with precision grades up to P2, ideal for high-speed and low-noise applications. Made from premium bearing steel, these models (6000/6200/6300) ensure durability and reliability in various industrial environments.
Specifications
| Model No. | 6000/6200/6300 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Feature | High Speed, Low Noise, Long Life |
| Stock | Rich Stocks Available |
Description
Premium quality deep groove ball bearings with high precision and low vibration. Ideal for high-speed applications requiring durability and quiet operation. Available in multiple models with rich stock for fast delivery.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 47 mm |
| Width | 14 mm |
| Model NO. | 6204R |
| Material | Bearing Steel |
| Seals Type | ZZ 2RS Open |
Description
Precision radial bearing with high load capacity, suitable for various industrial applications. Made of high-quality bearing steel with options for grease or oil lubrication.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 52 mm |
| Width | 15 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
High-quality deep groove ball bearing Model 6304 made of bearing steel, suitable for radial loads with strong durability. Ideal for industrial and mechanical applications requiring reliable performance.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 42 mm |
| Width | 12 mm |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0 P6 P5 P4 |
| Lubrication | Grease or Oil |
Description
High-quality radial bearing made of bearing steel, model 6004, with non-aligning design and unseparated structure. Suitable for various industrial applications requiring reliable performance under radial loads.
Specifications
| Model No. | 6200 |
| Dimensions | 10*30*9mm |
| Origin | Germany, Sweden, Japan |
| Certification | ISO9001:2008 |
| Performance | Long Life, High Speed, Low Noise |
| HS Code | 8482102000 |
Introduction
Premium quality 6200 bearing with high precision and durability. Designed for long life, high-speed operation and low noise performance. Ideal for industrial applications requiring reliable performance.
Specifications
| Bore (mm) | 17 |
| Outer Diameter (mm) | 62 |
| Width (mm) | 17 |
| Lubrication | Grease or Oil |
| Certification | ISO9001:2008 |
| Origin | Germany, Sweden, Japan |
Description
High-quality bearing with precise dimensions (17x62x17mm), suitable for various industrial applications. Reliable performance and durable design ensure long service life under demanding conditions.
Specifications
| Model No. | 6203 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with model 6203, made of high-quality bearing steel. Suitable for various industrial applications requiring reliable performance and durability.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with high load capacity. Made of durable bearing steel, suitable for industrial applications requiring reliable performance. Compact design with standard dimensions for easy integration.

















