Needle Roller Bearings K32-K40 Series, High Load Capacity & Precision for Industrial Use
Specifications
| Bore Diameter | 32 mm |
| Outer Diameter | 40 mm |
| Width | 25 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Description
Needle Roller Bearing K32X40X25, made of high-quality bearing steel, features a compact design without inner or outer rings. Suitable for radial load applications, available with OEM/ODM service.
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 | 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 | 120 mm |
| Outer Diameter | 140 mm |
| Width | 30 mm |
| Model No. | RNA4822 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Precision Needle Roller Bearing RNA4822, made of high-quality bearing steel, features radial load capacity and compact design without inner or outer ring. Available in P0-P2 precision ratings with C0-C4 clearance options, suitable for various industrial applications requiring reliability and performance.
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 | 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 | 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 | 160 mm |
| Outer Diameter | 190 mm |
| Width | 50 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing RNA4928 made of Bearing Steel, without outer and inner ring, suitable for radial load applications. Lubricated with grease or oil, available in high precision grades and various clearances. OEM/ODM service provided.
Specifications
| Bore Diameter | 360 mm |
| Outer Diameter | 440 mm |
| Width | 80 mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Needle Roller Bearing NA4872, made of high-quality bearing steel, features radial load direction and precise performance. Available with OEM/ODM service, this closed-type bearing offers P0-P2 precision ratings and C0-C4 clearance options, ideal for industrial applications.
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 | 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 | 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 | 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.

















