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
| 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 | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Model NO. | Dac42780041/38 |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-quality wheel hub bearing made from bearing steel, offering long life, high speed, and low noise performance. Suitable for radial loads with grease or oil lubrication. Ideal for OEM and ODM applications.
Specifications
| Bore Diameter | Available in various sizes |
| Outer Diameter | Standard metric series |
| Width | Different series available |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-quality roller bearing from top brands (SKF/NTN/NSK/Koyo/NACHI/Timken), made of durable bearing steel. Features long life, high speed capability, and low noise operation. Suitable for industrial applications with precision requirements.
Specifications
| Bore Diameter | 45 mm |
| Outer Diameter | 68 mm |
| Width | 12 mm |
| Model NO. | 4204 4304 |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with single row design, ideal for high-load applications. Made from high-quality bearing steel, ensuring durability and performance. Sealed to protect against contaminants and packed securely for transport.
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 | 45mm |
| Outer Diameter | 68mm |
| Width | 12mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Trademark | NTN |
Description
Precision radial bearing with 45mm bore, 68mm outer diameter, and 12mm width. Made from high-quality bearing steel, it ensures durability and performance. Ideal for industrial applications requiring reliable radial load support. Manufactured by NTN, a trusted name in bearing technology.
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 | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing made of high-quality bearing steel. Suitable for heavy-duty industrial applications with reliable performance. Compact design with dimensions 120x170x28mm ensures compatibility in various machinery systems.
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
| Model No. | Koyo 6204r 6304 6907 16007 6007 6207 6207r 6307 63 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
| Trademark | NTN |
Description
Precision radial bearing made of high-quality bearing steel. Suitable for various industrial applications with reliable performance. Compact design with dimensions of 45x68x12mm. Unseparated single-row structure ensures durability and smooth operation. Trusted NTN brand from leading manufacturing regions.
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 | 45mm |
| Outer Diameter | 68mm |
| Width | 12mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | Germany, Sweden, Japan |
Description
Premium radial bearing with model number 1604, made from high-quality bearing steel. Designed for reliable performance, it features precise dimensions of 45x68x12mm and is unseparated for easy installation. Ideal for industrial applications requiring durability and smooth operation.

















