Needle Roller Bearings HK/NKUR/NA Series for Machine Parts
Specifications
| Bore Diameter | Customizable |
| Outer Diameter | Customizable |
| Width | Customizable |
| Material | Bearing Steel |
| Design | Open, Without Inner/Outer Ring |
| Load Direction | Radial |
Description
High-performance radial bearing made of bearing steel, designed without inner and outer rings for flexible integration. Ideal for compact machinery with high load capacity and durability in industrial applications.
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 | Not Specified |
| Outer Diameter | Not Specified |
| Width | Not Specified |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | China |
Description
Precision radial bearing made of high-quality bearing steel, ideal for demanding applications. Designed without inner or outer rings for flexible integration. Supplied in durable packaging with high production capacity availability.
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
| Bore Diameter | Customizable |
| Outer Diameter | Varies by Model |
| Width | Model Dependent |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High precision radial bearing without inner ring, ideal for OEM/ODM applications. Features long service life, low noise, and high reliability. Available in multiple clearance classes (C0-C5) and precision grades. Made from premium bearing steel with consistent quality. Suitable for various industrial uses requiring durable performance.
Specifications
| Inner Diameter | Standard |
| Outer Diameter | Standard |
| Thickness | Open Type |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | China |
Description
Precision radial bearing made of high-quality bearing steel, ideal for heavy-duty applications. Open design without outer and inner rings offers flexibility in installation. Durable, reliable, and manufactured to meet international standards. Suitable for various industrial uses with efficient packaging for safe transport.
Specifications
| Model No. | HK0810/HK0910 |
| 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 grades and clearances. 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
| Model No. | HK3516, HK3518, HK3514, HK3512, HK3520 |
| 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 models and precision grades. Ideal for industrial applications requiring reliability and durability. OEM/ODM service supported.
Specifications
| Model No. | HK3520 |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Features | High Precision, Long Life, Low Noise |
| Origin | China |
Description
Radial bearing without inner ring, ideal for high precision applications. Offers long service life with low noise operation. Suitable for OEM/ODM use with various clearance and precision options available.
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 long life, high speed, and low noise operation. Suitable for various industrial applications with precision ratings from P0 to P4.
Specifications
| Bore Diameter | HK1514RS/HK1518RS model series |
| Outer Diameter | Radial Bearing design |
| Width | Without Inner Ring type |
| Precision Rating | P0, P6, P5, P4, P2 available |
| Clearance | C0, C2, C3, C4, C5 options |
| Material | Bearing Steel |
Description
High precision needle roller bearings with long service life and low noise operation. Ideal for industrial applications requiring reliability and performance. OEM/ODM service supported.
Specifications
| Inner Diameter | Standard |
| Outer Diameter | Standard |
| Thickness | Open Type |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Precision radial bearing made of high-quality bearing steel, ideal for industrial applications. Features an open design without inner or outer rings, offering flexibility in mounting and integration. Durable, reliable, and manufactured to meet international standards.

















