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Needle roller bearings are a type of precision roller bearing characterized by long, thin cylindrical rollers resembling needles. Their distinctive design allows for a higher length-to-diameter ratio, enabling these bearings to handle high radial loads in compact spaces. Commonly used in automotive transmissions, industrial gearboxes, and various machinery requiring efficient radial load support, needle roller bearings offer advantages of lightweight construction, cost-effectiveness, and suitability for high-speed applications. The needle rollers, guided by the bearing's races, distribute loads evenly, providing excellent radial load-carrying capacity. Proper lubrication is essential for minimizing friction, ensuring durability, and extending service life. Needle roller bearings find application in diverse industries where space constraints and the need for efficient radial load handling are critical considerations.
Inner Diameter | 40 mm | Number of Rows | Single Row | |
Outer Diameter | 62 mm | Cage Material | Non-Metallic | |
Width | 22 mm | Seal Type | None On Both Sides | |
Dynamic Load Rating | 42.9 kN | Clearance | CN | |
Static Load Rating | 71.0 kN | Precision | Grade 0 | |
Fatigue Load Limit | 8.8 kN | Min Temperature | -40 °C | |
Reference Speed | 8 000 rpm | Max Temperature | +120 °C | |
Limiting Speed | 9 500 rpm | Size Standard | Metric System | |
Rolling Element | Roller | Mass | 0.23 kg |
FEATURES AND BENEFITS
High load-carrying capacity.
Low friction and high-speed.
Support both radial and axial loads.
Well suited for applications with limited radial space.
Specifications
Inner Diameter (ID): 40
Outer Diameter (OD): 62
Width (W): 22
Overall Size (IDxODxW): 40x62x22
Dynamic Load Rating: 42.9 kN
Static Load Rating: 71.0 kN
Reference Speed: 8 000 rpm
Limiting Speed: 9 500 rpm
Cage Material: Non-Metallic
Seal Type: None On Both Sides
Clearance: CN
Precision: Grade 0
Operating Temperature: -40 °C to +120 °C
Mass: 0.23 kg