from The American Heritage® Dictionary of the English Language, 5th Edition.
- 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.
- noun A hard ball used in such a bearing.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun In engineering, a
bearingassembly which uses spherical bearing ballsas the rolling elements
- noun In common usage, an individual spherical ball, usually made of steel or other hard material, suitable for use in a ball-based rolling element bearing
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun bearings containing small metal balls
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