roller bearing


noun Machinery.

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.

Nearby words

  1. rolled roast,
  2. rolled-steel joist,
  3. rolled-up,
  4. roller,
  5. roller bandage,
  6. roller caption,
  7. roller chain,
  8. roller coaster,
  9. roller derby,
  10. roller gate

Origin of roller bearing

First recorded in 1855–60 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

British Dictionary definitions for roller bearing

roller bearing


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