Koyo/NTN/NSK/SKF 6304 Deep Groove Ball Bearing – High-Load, Low-Noise
Basic Info.
| Inner Diameter | 20 mm |
| Outer Diameter | 52 mm |
| Thickness | 15 mm |
| Model No. | 6304 / 6304NR / 6304ZNR |
| Origin | China |
| HS Code | 8482102000 |
Introduction
High-precision deep groove ball bearings compliant with KOYO/NTN/NSK/SKF standards. Designed for industrial applications requiring reliability and long service life. Supplied in standard industrial packaging.
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. | 6203 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with model 6203, made of high-quality bearing steel. Suitable for various industrial applications requiring reliable performance and durability.
Specifications
| Bore Diameter | 45mm |
| Outer Diameter | 68mm |
| Width | 12mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Sealed Package | Packed |
Description
NTN 6413 Single Row Radial Ball Bearing, made of high-quality bearing steel, ensures reliable performance and durability. Ideal for various industrial applications.
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. | 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.
Specifications
| Bore Diameter | 75mm |
| Outer Diameter | 130mm |
| Width | 25mm |
| Model No. | 6215 |
| Material | Bearing Steel |
| Origin | China |
Description
Premium radial bearing with model 6215, made of high-quality bearing steel. Designed for reliable performance, it features dimensions of 75x130x25mm and is ideal for various industrial applications.
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
| Bore Diameter | 15mm |
| Outer Diameter | 35mm |
| Thickness | 11mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
Overview
High-speed deep groove ball bearing with long life and low noise. Suitable for radial loads, available in multiple precision grades. Ideal for OEM/ODM applications. Rich stock for fast delivery by sea or air.
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 of bearing steel, model 6004, with non-aligning design and unseparated structure. Suitable for various industrial applications requiring reliable performance under radial loads.
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
| 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 | 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.

















