Ball-bearing meaning
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.
noun
A bearing in which the moving parts revolve or slide on freely rolling metal balls so that friction is reduced.
noun
Any of such metal balls.
noun
A ring-shaped track containing hard metal balls that roll freely, used to reduce friction where a rotating element (such as an axle) is attached to a fixed point.
Advertisement
A hard ball used in such a track.
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.
noun
Alternative Forms
Alternative Form of ball-bearing -
ballbearing