Down Cup Needle Roller Bearing NA4900-4910 High Load Capacity
Specifications
| Load Direction | Radial Bearing |
| Style | Without Outer Ring, Without Inner Ring |
| Material | Bearing Steel |
| Type | Open |
| Origin | China |
Description
High-performance radial bearing made of bearing steel, ideal for compact applications. Designed without inner or outer rings for flexible integration. Suitable for industrial machinery and high-precision equipment.
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 | Standard |
| Outer Diameter | Standard |
| Width | Standard |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | China |
Description
Open-type radial bearing made of high-quality bearing steel, ideal for various industrial applications. Designed without outer and inner rings for flexible integration. Durable, reliable, and produced under strict quality control standards in China.
Specifications
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 |
| Vibration Level | Z1 Z2 Z3 Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Service | OEM ODM |
| Origin | China |
Description
Premium bearing made of high-quality bearing steel with precision ratings from P0 to P4. Offers low noise, high speed performance and long service life. Ideal for industrial applications requiring reliability and durability.
Specifications
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 |
| Vibration Level | Z1 Z2 Z3 Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Service | OEM ODM |
| Origin | China |
Description
High-performance bearing made of bearing steel, offering precision ratings from P0 to P4 and low vibration levels. Ideal for high-speed, noise-sensitive applications with long service life.
Specifications
| Model No. | HK0709/HK0808 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Features | High Precision, Long Life, Low Noise |
Description
High-quality radial bearings made from bearing steel, available in multiple precision grades and clearances. Ideal for industrial applications requiring reliability and performance. OEM/ODM service supported.
Specifications
| Model No. | HMK0810/HMK0815 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Features | High Precision, Long Life, Low Noise |
Description
High-performance radial bearings made from premium bearing steel, available in multiple precision and clearance options. Ideal for industrial applications requiring reliability and durability. OEM/ODM service supported.
Specifications
| Bore Diameter | Customizable |
| Outer Diameter | Varies by model |
| Width | Model dependent |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
Description
High precision radial bearings without inner ring, ideal for high-load applications. Features long life, low noise, and multiple clearance options. Suitable for OEM/ODM services with annual production capacity of one million pieces. Made in China.
Specifications
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 |
| Vibration Level | Z1 Z2 Z3 Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Service | OEM ODM |
| Origin | China |
Description
High-performance bearing made of bearing steel, offering long life, high speed, and low noise operation. Suitable for various industrial applications with precision ratings from P0 to P4.
Specifications
| Bore Diameter | HK0912/HK1010 |
| Load Direction | Radial Bearing |
| Style | Without Inner Ring |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
Description
High precision needle roller bearings made of bearing steel, designed for radial loads without an inner ring. Ideal for compact machinery requiring high accuracy, long service life, and low noise operation. Suitable for OEM/ODM applications with reliable performance.
Specifications
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4 |
| Vibration Level | Z1, Z2, Z3, Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Service | OEM/ODM |
| Origin | China |
Introduction
High-performance bearing made of bearing steel, offering long life, high speed, and low noise operation. Suitable for various industrial applications with precision ratings up to P4 and customizable OEM/ODM service available.
Specifications
| Model No. | KRV40-PP |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4 |
| Vibration Level | Z1, Z2, Z3, Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Description
High-performance bearing made of durable bearing steel, offering high precision, low vibration, and long service life. Ideal for high-speed, low-noise applications. OEM/ODM services available.
Specifications
| Bore Diameter | Customizable per model |
| Outer Diameter | Varies by size |
| Width | Model-specific thickness |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Material | Bearing Steel |
Description
High precision radial bearing without inner ring, designed for long life and low noise performance. Available in multiple models and precision grades, suitable for OEM/ODM applications with customizable clearance and high reliability.
Specifications
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4 |
| Vibration Level | Z1, Z2, Z3, Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Service | OEM ODM |
| Origin | China |
Description
High-performance bearing made of bearing steel, offering precision ratings from P0 to P4 and low vibration levels. Ideal for high-speed, noise-sensitive applications with long service life.

















