roller bearing

roller bearing

n. A bearing using rollers to reduce friction between machine parts.

roller bearing

n (Mechanical Engineering) a bearing in which a shaft runs on a number of hardened-steel rollers held within a cage

roll′er bear`ing

n. a bearing that uses cylindrical rollers to prevent friction between machine parts. [1855–60]

Thesaurus

Noun

1.

roller bearing - bearings containing small metal ballsball bearing, needle bearingbearing - a rotating support placed between moving parts to allow them to move easily