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 | 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 | 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 | 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.
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 | 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 | 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 | 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 | 52 mm |
| Outer Diameter | 68 mm |
| Width | 22 mm |
| Model NO. | RNA4909 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Precision needle roller bearing with high load capacity, made of premium bearing steel. Ideal for compact designs requiring radial load support. Available with various clearance and precision ratings. Suitable 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 | 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 | 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 | 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.