IKO Bolt Type Needle Cam Bearings KR30-40 Series – High-Precision, Low-Friction Roller Bearings
Basic Info.
| 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 |
Introduction
KRV40-PP is a high-precision needle roller bearing made of bearing steel, offering P0–P4 accuracy and Z1–Z4 low-vibration performance. Designed for long life, high-speed operation, and low noise, it supports OEM/ODM service and is packed in carton pallets.
Basic Info.
Related Products
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 | 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 | 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 | 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 | 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 | 165 mm |
| Width | 45 mm |
| Model NO. | NA4924 |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
Needle Roller Bearing NA4924, 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 industrial machinery requiring compact and durable bearings.
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 | 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 | 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 | 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 | 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 | 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.