a bearing consisting of cylindrical or tapered rollers running between races in two concentric rings, one of which is mounted on a rotating or oscillating part, as a shaft.
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- rolled roast,
- rolled-steel joist,
- roller bandage,
- roller caption,
- roller chain,
- roller coaster,
- roller derby,
- roller gate
Origin of roller bearing
First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for roller bearing
And I didn't know a roller-bearing from three-point suspension!Free Air|Sinclair Lewis
a bearing in which a shaft runs on a number of hardened-steel rollers held within a cage
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012