roller bearing Hear it!

roller bearing definition

☆ roller bearing

a bearing in which the shaft turns with rollers, generally of steel, arranged in a ringlike track: used to reduce friction

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.