K75X81X20 K90X98X30 K100X107X21 Needle Roller Bearings – High Precision & Durable
Specifications
| Bore Diameter | 75 mm |
| Outer Diameter | 81 mm |
| Width | 20 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing K75X81X20, made of high-quality bearing steel, features a closed design without inner or outer rings. Suitable for radial load applications, it offers multiple precision and clearance options, ensuring reliable performance in demanding environments.
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 | 350 mm |
| Outer Diameter | 400 mm |
| Width | 80 mm |
| Model No. | RNA4864 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Precision needle roller bearing with high load capacity, made of premium bearing steel. Available in various clearance and precision grades. Suitable for heavy-duty radial applications. OEM/ODM service supported. Fast delivery within 3-7 days.
Specifications
| Bore Diameter | 140 mm |
| Outer Diameter | 175 mm |
| Width | 35 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing NA4828 made of Bearing Steel, without outer and inner ring, suitable for radial load applications. Features grease or oil lubrication, high precision options, and comes with OEM/ODM service. Compact design with 140x175x35 mm dimensions, ideal for industrial machinery. Shipped within 3-7 days.
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 | 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 | 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 | 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.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 80 mm |
| Width | 25 mm |
| Model NO. | NA4911 |
| Material | Bearing Steel |
Description
Needle Roller Bearing NA4911, made of high-quality bearing steel, features radial load direction and closed type design. Suitable for high precision applications with options for grease or oil lubrication. Precision ratings available up to P2.
Specifications
| Bore Diameter | 85 mm |
| Outer Diameter | 120 mm |
| Width | 35 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing NA4917, made of high-quality bearing steel, features radial load capacity and compact design. Suitable for high-precision applications with options for OEM/ODM service. Efficient delivery in 3-7 days.
Specifications
| Bore Diameter | 32 mm |
| Outer Diameter | 42 mm |
| Width | 20 mm |
| Load Direction | Radial |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing 624705, made of high-quality bearing steel, features a compact design without inner or outer ring. Suitable for radial load applications with high precision and reliability. Available in various clearance options (C0, C3, C4), ideal for industrial machinery and automotive systems.
Specifications
| Bore Diameter | 14 mm |
| Outer Diameter | 22 mm |
| Width | 16 mm |
| Model | RNA4900X2A |
| Material | Bearing Steel |
Description
Needle Roller Bearing RNA4900X2A, size 14x22x16 mm, made of high-quality bearing steel. Suitable for radial load applications, available with precision ratings P0-P2 and clearance options C0-C4. Lubricated with grease or oil, ideal for industrial machinery requiring compact, durable bearings.
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 | 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.

















