roller bearing

from WordNet (r) 3.0 (2006)
roller bearing
    n 1: bearings containing small metal balls [syn: {ball bearing},
         {needle bearing}, {roller bearing}]
from The Collaborative International Dictionary of English v.0.48
Roller bearing \Roll"er bear"ing\ (Mach.)
   A bearing containing friction rollers.
   [Webster 1913 Suppl.]
antiflux / dictionary / roller bearing
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