Needlerollerbearing - Glossary - Technical Information - Hobby and Engineering

Glossary - Needle Roller Bearing

A bearing using needle rollers as rolling elements. Needle roller bearings have more contact area between the rolling element and the outer raceway allowing for quite high loads from a compact sized bearing. This higher load capacity is usually at the expense of running speed.

The typical structure consists of an inner ring, or sometimes a ground shaft, a needle cage which orients and contains the needle rollers, the needle rollers themselves, and an outer race.

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