Dictionary

roller bearing

noun

Definition of ROLLER BEARING

:  a bearing in which the journal rotates in peripheral contact with a number of rollers usually contained in a cage

Illustration of ROLLER BEARING

First Known Use of ROLLER BEARING

1857

Browse

Next Word in the Dictionary: RollerbladePrevious Word in the Dictionary: roller–backerAll Words Near: roller bearing
April 01, 2015
diapause Hear it
a period of physiological dormancy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears