Definition of ball bearing in English:

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ball bearing

Pronunciation: /bôl ˈberiNG/

noun

Image of ball bearing
1A bearing between a wheel and a fixed axle, in which the rotating part and the stationary part are separated by a ring of small solid metal balls that reduce friction.
Example sentences
  • Typical coefficient of friction for a ball bearing is about mu = 1.5e - 3
  • The following week, I almost dropped a large metal ball bearing onto it, which would have shattered it.
  • Daytona uses bushings instead of the ball bearing pivots of the upper-tier Campagnolo shifters, which allow for lighter control feel.
1.1A metal ball used in a ball bearing.
Example sentences
  • She ricocheted down the street like a ball bearing in a pinball machine, feeling tiny and insignificant among the large and imposing aliens - a feeling she had never felt before, being a princess on her home planet.
  • If you shake the can, the rattling ball bearing helps to mix up the propellant and the product, so the product is pushed out in a fine mist.
  • I have never been able to significantly magnetize a ball bearing, so I'd guess that they are usually made of a rather ‘soft’ (low carbon) steel.

For editors and proofreaders

Syllabification: ball bear·ing

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