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 | 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.
Specifications
| Bore (mm) | 17 |
| Outer Diameter (mm) | 62 |
| Width (mm) | 17 |
| Lubrication | Grease or Oil |
| Certification | ISO9001:2008 |
| Origin | Germany, Sweden, Japan |
Description
High-quality bearing with precise dimensions (17x62x17mm), suitable for various industrial applications. Reliable performance and durable design ensure long service life under demanding conditions.
Specifications
| Model No. | 6001 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Feature | High Speed, Low Noise, Long Life |
| Origin | China |
Description
Premium quality deep groove ball bearing with high precision and low vibration. Ideal for high-speed applications requiring reliability and durability. Available in bulk stock with OEM/ODM support.
Specifications
| Model No. | 6303 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Feature | High Speed, Low Noise, Long Life |
Description
Premium radial bearing made of high-quality bearing steel, ideal for high-speed and low-noise applications. Available in precision grades P0 to P2 with rich stock and global shipping options. Supports OEM/ODM services.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Model No. | 6322 |
| Material | Bearing Steel |
| Load Direction | Radial |
Description
Premium radial bearing with model 6322, made of high-quality bearing steel. Designed for reliable performance, it features dimensions of 120x170x28mm and supports radial load applications. Ideal for industrial machinery requiring durable and precise components.
Specifications
| Model No. | 6300 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | China |
Description
High-speed, low-noise radial bearing with long service life. Made from high-quality bearing steel, suitable for various industrial applications. Available in rich stock for fast delivery by sea or air. Supports OEM/ODM services.
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
| 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 | 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. | 6208 |
| Dimensions | 40*80*18mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Feature | Long Life, High Speed, Low Noise |
Description
The 6208 deep groove ball bearing offers high precision and low vibration performance. Made from durable bearing steel, it ensures long life, high speed operation, and low noise. Suitable for various industrial applications with radial load requirements.
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
| Model No. | 6311m/C3vl0241 |
| Dimensions (mm) | 120 x 170 x 28 |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
Overview
Premium radial bearing with precision engineering. Single-row design made from high-quality bearing steel ensures reliable performance. Ideal for industrial applications requiring durability and smooth operation. Compact size fits standard mounting requirements.

















