Koyo Deep Groove Ball Bearings 6204R–6309 – High-Precision, Low-Noise, Factory Direct
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 68 mm |
| Thickness | 12 mm |
| Model NO. | Koyo 6204r, 6304, 6907, 16007, 6007, 6207, 6207r, 6307, 63 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
High-precision radial ball bearings made of bearing steel, suitable for general industrial applications. Compact dimensions (45×68×12 mm), unseparated single-row design, packed for safe transport. Compliant with 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 | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-performance Wheel Hub Bearing with long life, low noise, and high-speed capability. Suitable for various industrial and automotive applications. Offers reliable radial load support and is available in multiple precision grades. Lubricated with grease or oil for smooth operation.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Feature | Long Life, High Speed, Low Noise |
Description
High-performance wheel hub bearing with radial load design, suitable for high-speed and long-life applications. Made from premium bearing steel with low noise operation and available in high precision grades.
Specifications
| Bore Diameter | 8 mm |
| Outer Diameter | 22 mm |
| Width | 7 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Certification | ISO9001:2008 |
Description
Precision 608RS deep groove ball bearing with radial load capacity, suitable for OEM/ODM applications. Designed for reliability and long service life in various industrial environments.
Specifications
| Model No. | 6400 |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
Description
Premium quality 6400 roller bearing made of high-grade bearing steel, designed for durability and smooth performance. Suitable for various industrial applications with precision ratings from P0 to P2. Operates quietly with low vibration levels (Z1V1 to Z3V3), ideal for high-speed and long-life requirements.
Specifications
| Bore Diameter | 45 mm |
| Outer Diameter | 68 mm |
| Width | 12 mm |
| Model | 6200-2RS |
| Material | Bearing Steel |
| Origin | Germany/Sweden/Japan |
Description
High-quality radial bearing with single row design, ideal for various industrial applications. Sealed to protect against dust and contaminants, ensuring long service life and reliable performance under normal load conditions.
Specifications
| Model No. | 608 |
| Inner-Outer-Thickness | 120*170*28mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
| Trademark | NTN |
Description
Premium radial bearing with model 608, made from high-quality bearing steel. Designed for reliable performance in various industrial applications. Compact size of 120x170x28mm ensures compatibility and durability.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | Germany, Sweden, Japan |
Description
Premium radial bearing made of high-quality bearing steel. Designed for reliable performance with dimensions of 120x170x28mm. Ideal for industrial applications requiring durable and precision-engineered components.
Product Parameters
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Model NO. | NSK 28bwd03A |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
This wheel hub bearing is made of high-quality bearing steel, offering long life, low noise, and high-speed performance. Suitable for radial loads, it’s ideal for various industrial and automotive applications with rich stock availability.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-performance wheel hub bearing with radial load capacity, designed for long life, high speed, and low noise operation. Suitable for various automotive applications.
Specifications
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Description
Premium quality roller bearing from leading brands (SKF/NTN/NSK/Koyo/NACHI/Timken), made of high-grade bearing steel. Designed for high speed, low noise, and long service life. Available in rich stock with OEM/ODM support. Ideal for various industrial applications.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-performance wheel hub bearing with radial load capacity, offering long life, low noise, and high-speed operation. Suitable for various automotive applications.
Specifications
| Model No. | 6217 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with model 6217, made of high-quality bearing steel. Designed for reliable performance, it features dimensions of 45mm inner diameter, 68mm outer diameter, and 12mm thickness. Ideal for industrial applications requiring durability and smooth operation.

















