Meaning of ROLLER BEARING in English

ROLLER BEARING

Function: noun

Date: 1857

: a bearing in which the journal rotates in peripheral contact with a number of rollers usually contained in a cage

roller bearing: 1 outer race, 2 cage, 3 roller, 4 inner race

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.