Bdl RNA4840/44/48 Needle Roller Bearings – High Load Capacity & Precision
Specifications
| Bore Diameter | 220 mm |
| Outer Diameter | 250 mm |
| Width | 50 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing RNA4840 made of Bearing Steel, without outer and inner ring, suitable for radial load applications. Offers high precision and multiple clearance options. Lubrication compatible with grease or oil.
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 | 185 mm |
| Outer Diameter | 215 mm |
| Width | 45 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing RNA4834 made of Bearing Steel, without inner and outer rings, suitable for radial load applications. Features high precision (P0-P2), multiple clearance options, and can be lubricated with grease or oil. Ideal for OEM/ODM use with efficient 3-7 days delivery.
Specifications
| Bore Diameter | 30 mm |
| Outer Diameter | 47 mm |
| Width | 17 mm |
| Model NO. | NA4906 |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing NA4906, made of high-quality bearing steel, features radial load direction and closed type design. Suitable for precision applications with clearance options C0, C3, C4. Ideal for OEM/ODM use.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 80 mm |
| Width | 45 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
The NA6911 Needle Roller Bearing features a compact design with high load capacity. Made from premium bearing steel, it operates efficiently under radial loads. Suitable for industrial applications requiring precision and durability. Available with OEM/ODM support and fast delivery.
Specifications
| Bore Diameter | 110 mm |
| Outer Diameter | 140 mm |
| Width | 30 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing NA4822, made of high-quality bearing steel, features a compact design without inner or outer rings. Suitable for radial load applications, it offers multiple precision and clearance options, ideal for OEM/ODM use in various industrial environments.
Specifications
| Bore Diameter | 68 mm |
| Outer Diameter | 85 mm |
| Width | 25 mm |
| Model NO. | RNA4912 |
| Material | Bearing Steel |
| Origin | Japan |
Description
High-precision needle roller bearing RNA4912 from IKO, featuring radial load direction and closed type design. Made of high-quality bearing steel with options for grease or oil lubrication. Ideal for industrial applications requiring compact, durable bearings.
Specifications
| Bore Diameter | 415 mm |
| Outer Diameter | 480 mm |
| Width | 100 mm |
| Model | RNA4876 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Needle Roller Bearing RNA4876, made of high-quality bearing steel, features radial load capacity and compact design without inner or outer ring. Suitable for high precision applications with options for grease or oil lubrication.
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 | 17 mm |
| Outer Diameter | 30 mm |
| Width | 23 mm |
| Model NO. | NA6903 |
| Material | Bearing Steel |
| Load Direction | Radial |
Description
Needle roller bearing NA6903 with high precision steel construction, designed for radial load applications. Features compact dimensions of 17x30x23 mm, available with various clearance options (C0/C3/C4) and precision ratings up to P2. Suitable for OEM/ODM use with short delivery time.
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 | 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 | 22 mm |
| Outer Diameter | 30 mm |
| Width | 23 mm |
| Load Direction | Radial |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
RNA6903 Needle Roller Bearing, made of high-quality bearing steel with radial load capacity. Available in closed type without inner or outer ring, suitable for various industrial applications requiring compact design and high precision.
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.

















