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
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. | 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.
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.
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
| 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
| Model No. | 6001/6201/6301/16003 RS/2RS/ZZ |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
Overview
High-performance roller bearing made of premium bearing steel, offering long service life, low noise, and high-speed capability. Suitable for various industrial applications with options for grease or oil lubrication. Available in multiple precision grades and vibration levels.
Specifications
| Bore Diameter | 6303/6201 |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
Description
High-quality roller bearing from top brands (SKF/NTN/NSK/Koyo/NACHI/Timken), made of bearing steel for durability and performance. Suitable for various industrial applications with reliable precision and low noise operation.
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 | 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. | 618/500m/530m/560m/600m |
| Material | Bearing Steel |
| Dimensions | 120 x 170 x 28 mm |
| Load Direction | Radial Bearing |
| Origin | Germany, Sweden, Japan |
| Trademark | NTN |
Description
Premium radial bearing made of high-quality bearing steel. Suitable for heavy-duty applications with precise dimensional accuracy. Compact design with smooth performance and long service life. Ideal for industrial machinery requiring reliable radial load support.
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 long life, low noise, and high-speed capability. Suitable for radial loads, this precision-engineered bearing ensures reliable operation. Ideal for OEM and ODM applications with rich stock availability and global shipping options.
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.

















