ball bearing


: a part of a machine in which another part (such as a metal pole) turns easily

: one of the balls in a ball bearing

Full Definition of BALL BEARING

:  a bearing in which the journal turns upon loose hardened steel balls that roll easily in a race; also :  one of the balls in such a bearing

First Known Use of BALL BEARING



Next Word in the Dictionary: ball boyPrevious Word in the Dictionary: ball batAll Words Near: ball bearing
May 30, 2015
metadata Hear it
data about other data
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