Koyo 6203ZNR Deep Groove Ball Bearing 17x40x12mm – High-Precision Factory Direct
Basic Info.
| Model NO. | 6203 ZNR |
| Trademark | KOYO |
| Origin | China |
| HS Code | 8482102000 |
| Transport Package | Standard Industrial Packaging |
Dimensions (mm)
Inner Diameter: 17, Outer Diameter: 40, Thickness: 12
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 | 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. | 6048 6052 6056 6060 6064 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Dimension | 240×350×56 mm |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Origin | China |
Description
High precision radial bearing with long life, high speed, and low noise performance. Suitable for various industrial applications. Available in multiple models with rich stock and OEM/ODM support.
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 | 120mm |
| Outer Diameter | 170mm |
| Thickness | 28mm |
| Model No. | 61806-2Z 61806-2RS |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
Description
Premium radial bearing with single row design, ideal for high precision applications. Durable bearing steel construction ensures long service life and reliable performance under radial loads.
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
| 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 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.
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 from bearing steel, ideal for various industrial applications. Features non-aligning design and unseparated structure with low vibration levels Z1V1 to Z3V3. Suitable for OEM and ODM services.
Specifications
| Bore Diameter | 30 mm |
| Outer Diameter | 72 mm |
| Width | 19 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
Premium quality deep groove ball bearing with reliable performance. Suitable for various industrial applications requiring high precision and durability. OEM/ODM service available.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Model No. | 6328 |
| Material | Bearing Steel |
| Load Direction | Radial |
Description
Premium radial bearing with precision engineering. Model 6328 features high-quality bearing steel construction, designed for reliable performance in demanding applications. Dimensions: 120x170x28mm.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 47 mm |
| Width | 14 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 6204, ideal for industrial applications. Features non-aligning design and unseparated structure with reliable vibration performance (Z1V1-Z3V3). Suitable for OEM/ODM services.
Specifications
| Bore Diameter | 10 mm |
| Outer Diameter | 26 mm |
| Width | 8 mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Sealed Package | Packed |
Description
Precision radial bearing with 10x26x8mm dimensions, made of high-quality bearing steel. Ideal for industrial applications requiring reliable performance. Manufactured by NSK with global production standards.

















