Needle Roller Bearings HK4520 45X55X38 HK5025 High Load Capacity
Specifications
| Bore Diameter | 45 mm |
| Outer Diameter | 52 mm |
| Width | 20 mm |
| Load Direction | Radial |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing HK4520, made of high-quality bearing steel, features a compact design without inner or outer rings. Ideal for radial load applications requiring high precision and durability. Suitable for OEM/ODM use with fast delivery.
Basic Info.
- Pillow Block Bearing
- Cylindrical Roller Bearing
- Spherical Plain Bearing
- Thrust Self-aligning Roller Bearing
- Plain Bearing
- Spherical Roller Bearing
- Self-Aligning Ball Bearing
- Taper Roller Bearing
- Thrust Needle Roller Bearing
- Needle Bearing
- Bearing Block
- Deep Groove Ball Bearing
- Alloy Guide Rail
- Angular Contact Ball Bearing
- Linear Bearing
- Auto Bearing
- Machine Tools Accessories
- Auto Air Conditioning Compressor
- Thrust Ball Bearing
Related Products
Specifications
| Bore Diameter | 35 mm |
| Outer Diameter | 47 mm |
| Width | 17 mm |
| Load Direction | Radial |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing RNA4906 made of bearing steel, designed without outer and inner rings for compact radial load applications. Suitable for high-precision machinery with grease or oil lubrication. OEM/ODM service available.
Specifications
| Bore Diameter | 170 mm |
| Outer Diameter | 215 mm |
| Width | 45 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing NA4834, made of high-quality bearing steel, features a closed design without inner or outer ring. Suitable for radial load applications, it offers precision ratings P0 to P2 and multiple clearance options. Ideal for industrial machinery with OEM/ODM support.
Specifications
| Bore Diameter | 125 mm |
| Outer Diameter | 150 mm |
| Width | 40 mm |
| Model | RNA4922 |
| Material | Bearing Steel |
Description
Needle Roller Bearing RNA4922, made of high-quality bearing steel, features a radial load direction and closed design without inner or outer ring. Suitable for high precision applications with P0-P2 rating, available with C0/C3/C4 clearance. Lubricated with grease or oil, ideal for industrial machinery.
Specifications
| Bore Diameter | 14 mm |
| Outer Diameter | 22 mm |
| Width | 22 mm |
| Model NO. | RNA6900 |
| Material | Bearing Steel |
| Load Direction | Radial |
Description
Precision needle roller bearing RNA6900, made of high-quality bearing steel, features radial load capacity and compact dimensions (14x22x22mm). Available with various clearance and precision grades, suitable for industrial applications requiring reliable performance. OEM/ODM service supported.
Specifications
| Bore Diameter | 85 mm |
| Outer Diameter | 120 mm |
| Width | 63 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing NA6917 made of Bearing Steel, featuring high precision and durability. Suitable for radial load applications with options for grease or oil lubrication. Ideal for industrial machinery requiring compact design and high performance.
Specifications
| Bore Diameter | 70 mm |
| Outer Diameter | 100 mm |
| Width | 30 mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Needle Roller Bearing NA4914, made of high-quality bearing steel, features a radial load direction and precision ratings from P0 to P2. Ideal for compact designs without inner or outer rings, suitable for grease or oil lubrication.
Specifications
| Bore Diameter | 45 mm |
| Outer Diameter | 68 mm |
| Width | 40 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing NA6909 made of Bearing Steel, without outer and inner ring, suitable for radial load applications. Offers high precision (P0-P2), multiple clearance options, and can be lubricated with grease or oil. Ideal for compact machinery with OEM/ODM support.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 62 mm |
| Width | 18 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing K55X62X18, made of high-quality bearing steel, features a compact design without inner or outer ring. Ideal for radial load applications with high precision requirements. Available with various clearance options (C0, C3, C4) and precision grades. Suitable for OEM/ODM use, produced in China under BDL brand.
Specifications
| Bore Diameter | 10 mm |
| Outer Diameter | 22 mm |
| Width | 13 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing NA4900, made of high-quality bearing steel, features a compact design without inner or outer ring. Ideal for radial load applications with precision ratings up to P2. Suitable for OEM/ODM services with fast delivery.
Specifications
| Bore Diameter | 85 mm |
| Outer Diameter | 105 mm |
| Width | 30 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing RNA4915, without inner and outer ring, designed for radial load applications. Made of high-quality bearing steel with precision options from P0 to P2. Suitable for OEM/ODM use, offering reliable performance in compact spaces.
Specifications
| Bore Diameter | 300 mm |
| Outer Diameter | 380 mm |
| Width | 80 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing NA4860 made of bearing steel, featuring high precision and radial load capacity. Suitable for various industrial applications with OEM/ODM support.
Specifications
| Bore Diameter | 22 mm |
| Outer Diameter | 30 mm |
| Width | 13 mm |
| Load Direction | Radial |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Needle roller bearing RNA4903, model BDL, made of bearing steel, without inner or outer ring, closed type. Suitable for radial load applications, lubricated with grease or oil. Precision grades available from P0 to P2.

















