Koyo/NTN/NSK/SKF 6903ZZ Deep Groove Ball Bearing – High-Precision, Low-Noise
Basic Info.
| Model NO. | 6903ZZ/5K |
| Trademark | KOYO/NTN/NSK/SKF |
| Origin | China |
| HS Code | 8482102000 |
| Transport Package | Standard Industrial Packaging |
Description
High-precision deep groove ball bearing with robust construction, widely used in industrial machinery and automotive applications. Compatible with major global brands.
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
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Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 52 mm |
| Width | 15 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
High-quality deep groove ball bearing Model 6304 made of bearing steel, suitable for radial loads with strong durability. Ideal for industrial and mechanical applications requiring reliable performance.
Specifications
| Model No. | 6000/6200/6300 |
| 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
High-performance radial bearings with precision grades up to P2, ideal for high-speed and low-noise applications. Made from premium bearing steel, these models (6000/6200/6300) ensure durability and reliability in various industrial environments.
Specifications
| Bore Diameter | 15mm |
| Outer Diameter | 32mm |
| Width | 11mm |
| Model Numbers | 6202, 6203, 6204, 6205, 6206 |
| Trademark | NSK |
| Origin | Japan |
Description
Premium deep groove ball bearing with high precision and durability. Ideal for various industrial applications requiring reliable performance under continuous operation.
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 | 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.
Product Parameters
| Bore Diameter (d): | 240mm |
| Outer Diameter (D): | 320mm |
| Width (B): | 38mm |
| Model No.: | 61948/61952/61956/61960-2RS/2Z/M |
| Material: | Bearing Steel |
| Load Direction: | Radial Bearing |
Description
Premium radial bearing made from high-quality bearing steel, ideal for heavy-duty industrial applications. Compact design with precise dimensions ensures reliable performance and durability. Sealed variants available for enhanced protection.
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 | 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 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 (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
| Bore Diameter | 25 mm |
| Outer Diameter | 62 mm |
| Width | 17 mm |
| Material | Bearing Steel |
| Load Type | Radial |
| Sealed Package | Yes |
Description
Precision radial ball bearings with high durability. Ideal for industrial applications requiring reliable performance under radial loads. Made from high-quality bearing steel with a sealed design for long service life.
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.

















