NSK Tapered Roller Bearing 30303/32303/32904 – High-Load, Precision Conical Roller Bearings
Basic Info.
| Inner Diameter | 17 mm |
| Outer Diameter | 47 mm |
| Thickness | 14 mm |
| Model NO. | 30303 / 32303 / 32904 |
| Brand | NSK |
| Origin | Japan |
Introduction
High-precision NSK deep groove ball bearings with P0–P2 ratings, designed for long life, high speed and low noise. Features rich stock, OEM/ODM service, and flexible shipping (sea or air). Complies with HS Code 8482102000.
Basic Info.
- Bearing Block
- Spherical Plain Bearing
- Alloy Guide Rail
- Cylindrical Roller Bearing
- Linear Bearing
- Angular Contact Ball Bearing
- Needle Bearing
- Spherical Roller Bearing
- Plain Bearing
- Self-Aligning Ball Bearing
- Thrust Needle Roller Bearing
- Thrust Ball Bearing
- Thrust Self-aligning Roller Bearing
- Taper Roller Bearing
- Bearing Accessories
- Deep Groove Ball Bearing
- Thrust Taper Roller Bearing
- Auto Bearing
- Other Car Accessories
- Pillow Block Bearing
Related Products
Specifications
| Model No. | 30205 |
| Dimensions | 25*52*15 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Origin | Japan |
| Trademark | Koyo |
Description
Premium quality bearing with high precision and reliability. Suitable for various industrial applications, offering excellent performance under demanding conditions. OEM/ODM service available.
Specifications
| Model No. | 32917 32017 33017 33117 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Dimension | 85*120*23 mm |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Description
High-performance bearing with rich stock availability, suitable for OEM/ODM services. Offers precision ratings from P0 to P2 and low vibration levels for reliable operation. Ideal for high-speed applications with long service life.
Specifications
| Model No. | HR30234J |
| Dimension | 170*310*57 mm |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Description
High-performance bearing with precise tolerance and low vibration. Ideal for high-speed applications requiring reliability and durability. Rich stock available for immediate shipment by sea or air.
Specifications
| Bore x Outer Diameter x Thickness | 25 x 47 x 15 mm |
| Model NO. | 32005 |
| Seals Type | ZZ 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
Description
High-performance bearing with long life, low noise, and high-speed capability. Ideal for industrial applications requiring reliability and precision. Available in large stock for fast delivery.
Specifications
| Bore Diameter | 57.15 mm |
| Outer Diameter | 96.838 mm |
| Width | 25.4 mm |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Oil, Grease, Dry |
Description
High precision TIMKEN bearing 387A/382-S, single row design with open seal type, suitable for various industrial applications requiring reliable performance and durability. Made in America.
Specifications
| Model No. | 32319-32326 |
| Precision Rating | P0, P5, P6, P4, P2 |
| Vibration | Z1V1-Z3V3 |
| Noise | Low Noise |
| Speed | High Speed |
| Life | Long Life |
Description
Koyo bearings from Japan offer high precision, low vibration, and quiet operation. Suitable for high-speed applications with long service life. Available in rich stock for immediate shipping by sea or air.
Specifications
| Bore x Outer Diameter x Width | 75 x 130 x 27.25 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Stock Availability | Rich Stocks |
| Origin | China |
Description
High-performance bearings with precise tolerance and low vibration. Ideal for high-speed and long-life applications. Available in large stock quantities, suitable for OEM/ODM projects. Reliable packaging and global shipping options.
Specifications
| Bore Diameter | 40mm |
| Outer Diameter | 80mm |
| Width | 18mm |
| Seals Type | Open |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Precision roller bearing with single row design, made of high-quality bearing steel. Suitable for radial loads, featuring open seal type and dimensions of 40x80x18mm. Ideal for industrial applications requiring reliability and durability.
Specifications
| Bore Diameter | 15 mm |
| Outer Diameter | 35 mm |
| Width | 11 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Origin | China |
Description
High-precision bearing with durable design, suitable for various industrial applications. Offers reliable performance under different lubrication conditions.
Specifications
| Bore x Outer Dia x Width | 35*80*31 mm |
| Model NO. | 32307 32908 32008 33008 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | High Speed, Low Noise, Long Life |
| Origin | Japan |
Description
Premium quality NSK bearings from Japan offer high precision, low noise, and long service life. Ideal for high-speed applications with rich stock availability and OEM/ODM support. Efficient delivery by sea or air in standard carton packaging.
Specifications
| Bore (mm) | 25 |
| Outer Diameter (mm) | 42 |
| Width (mm) | 12 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | High Speed, Low Noise, Long Life |
Description
Premium quality NSK bearing from Japan, ideal for high-speed applications with low noise and long service life. Available in multiple precision grades and vibration levels. Rich stock for fast delivery by sea or air.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 22 mm |
| Seals Type | Open |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Precision roller bearing with open seal design, made of high-quality bearing steel. Ideal for radial load applications requiring durability and performance. Available with OEM/ODM service.

















