ball bearing

ball bearing
   1. a metal ball used in the pin stack to accomplish some types of hotel or construction keying,
   2. a ball, usually made of steel, used by some lock manufacturers as the bottom element in the pin stack in one or more pin chambers,
   3. any metal ball used as a tumbler's primary component,
   4. used as a means of repairing a drilled hole in a safe when welded in place

Locksmith dictionary . 2014.

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  • ball bearing — ball bearing, adj. Mach. 1. a bearing consisting of a number of hard balls running in grooves in the surfaces of two concentric rings, one of which is mounted on a rotating or oscillating shaft or the like. 2. any of the balls so used. [1880 85]… …   Universalium

  • ball bearing — ► NOUN 1) a bearing in which the parts are separated by a ring of small metal balls which reduce friction. 2) a ball used in such a bearing …   English terms dictionary

  • ball bearing — ball bearings also ball bearing N COUNT Ball bearings are small metal balls placed between the moving parts of a machine to make the parts move smoothly …   English dictionary

  • ball bearing — n. 1. a bearing in which the moving parts revolve or slide on freely rolling metal balls so that friction is reduced 2. any of such metal balls …   English World dictionary

  • ball bearing — n 1.) small metal balls that move in a ring, to make a part inside a machine turn more easily 2.) one of these metal balls …   Dictionary of contemporary English

  • ball bearing — ball ,bearing noun count one of several small hard metal balls that are used between moving parts of a machine to help the parts move smoothly …   Usage of the words and phrases in modern English

  • Ball bearing — For individual balls that are sometimes called ball bearings , see Ball (bearing). Working principle for a ball bearing …   Wikipedia

  • ball bearing — noun bearings containing small metal balls • Syn: ↑needle bearing, ↑roller bearing • Hypernyms: ↑bearing * * * noun, pl ⋯ ings [count] 1 : a part of a machine in which another part (such as a metal pole) turns easily ◇ A ball bearing is made up… …   Useful english dictionary

  • ball bearing — UK / US noun [countable] Word forms ball bearing : singular ball bearing plural ball bearings one of several small hard metal balls that are used between moving parts of a machine to help the parts move smoothly …   English dictionary

  • ball-bearing — see ball bearing …   English dictionary

  • ball-bearing —    a term of male abuse    Perhaps another way of saying pillock, which is noted under pill1:     Terrible as that little ball bearing is, he is less dangerous for us than Herbert Morrison. (Crossman, 1981) …   How not to say what you mean: A dictionary of euphemisms

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