Ball Bearing Definition
noun
A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.
American Heritage
A bearing in which the moving parts revolve or slide on freely rolling metal balls so that friction is reduced.
Webster's New World
A hard ball used in such a bearing.
American Heritage
Any of such metal balls.
Webster's New World
Synonyms:
Other Word Forms of Ball Bearing
Noun
Singular:
ball bearing
Plural:
ball-bearingsBall Bearing Is Also Mentioned In
Find Similar Words
Find similar words to ball bearing using the buttons below.