Needle roller bearings are a type of precision roller bearing characterized by long, thin cylindrical rollers resembling needles. Their distinctive design specifically designed for shaft mounting applications that require high speed inner race overunnning or low to mid speed outer race overrunning. 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 | 46.7 mm | Clearance | CN |
| Outer Diameter | 80 mm | Precision | Grade 0 |
| Width | 32 mm | Size Standard | Metric System |
| Rolling Element | Roller | Mass | 0.91 kg |
| Number of Rows | Single | Torque Capacity | 549 N.m |
| Cage Material | Steel | Max. Overrunning Shaft | 1 800 rpm |
| Seal Type | None on Both Sides | Max. Overrunning Outer Race | 200 rpm |
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.
