Koyo 4200–4208 & 4302–4307 Deep Groove Ball Bearings – High-Precision, Factory Direct
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 68 mm |
| Thickness | 12 mm |
| Model NO. | 4204 4304 |
| Material | Bearing Steel |
| Brand | NTN |
High-precision radial bearing, unseparated single-row design. Manufactured from premium bearing steel for durability and smooth operation. Suitable for general industrial applications. Dimensions: 45×68×12 mm. Complies 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
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 |
| Model | 696RS |
| Material | Bearing Steel |
| Origin | Germany/Sweden/Japan |
Description
Premium radial bearing with single row design, unseparated construction for enhanced durability. Ideal for industrial applications requiring reliable performance under radial loads.
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 | 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 | 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.
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
| 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
| 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 | 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
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Material | Bearing Steel |
Description
High-quality Wheel Hub Bearing made of durable bearing steel, designed for radial load applications. Offers long life, high speed performance, and low noise operation. Suitable for various automotive uses with OEM/ODM service available.
Specifications
| Bore Diameter | 45mm |
| Outer Diameter | 68mm |
| Width | 12mm |
| Model No. | 6305 7/8 72mm 80mm |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
Description
Premium radial bearing with single row design, made of high-quality bearing steel. Ideal for industrial applications requiring reliable performance and durability. Unseparated construction ensures easy installation and maintenance.
Specifications
| Model No. | 628 |
| 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
High-performance roller bearing made of bearing steel, suitable for high-speed and heavy-load applications. Offers long service life with low noise operation. Available in various precision grades and vibration levels. Widely used across industrial machinery.

















