Needle Roller Bearing NA5903 17x30x18 mm High Load Capacity
Specifications
| Bore Diameter | Customizable |
| Outer Diameter | Customizable |
| Width | Customizable |
| Material | Bearing Steel |
| Type | Open, Without Inner/Outer Ring |
| Load Direction | Radial |
Description
Precision radial bearing made of high-quality bearing steel, designed for flexible integration without inner or outer ring. Ideal for compact mechanical systems requiring reliable performance. Supplied in protective packaging with global HS code 8482102000.
Basic Info.
Related Products
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. | 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
| Model NO. | HK1616-2RS/HK1620-2RS |
| 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 bearing with radial load capacity, made of high-quality bearing steel. Designed without an inner ring for compact applications, ensuring long life and low noise performance. Suitable for various industrial uses 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 |
Overview
High-performance bearing made of premium bearing steel, offering long service life, high-speed capability, and low noise operation. Available in multiple precision and vibration ratings to suit various industrial applications.
Specifications
| Model No. | HK3512 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Origin | China |
Description
High precision radial bearing made of bearing steel, ideal for industrial applications requiring long life and low noise. Available in various precision grades and clearances. Suitable for OEM/ODM services with annual production capacity of one million pieces.
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
| 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
| 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
| 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 | 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.
Product Parameters
| Model No. | HK1516-2RS/HK1520-2RS |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Origin | China |
Description
High precision needle roller bearings without inner ring, ideal for compact radial load applications. Made of high-quality bearing steel for long life and low noise performance. Suitable for OEM/ODM use with various clearance and precision options available.
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.
















