单词 | roller bearing |
释义 | roller bearingnoun Machinery.a bearing consisting of cylindrical or tapered rollers running between races in two concentric rings, one of which is mounted on a rotating or oscillating part, as a shaft. Origin of roller bearingFirst recorded in 1855–60 Words nearby roller bearingrolled roast, rolled-steel joist, roller, rollerball, roller bandage, roller bearing, Rollerblade, roller-blind shutter, roller caption, roller chain, roller coaster Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for roller bearing
British Dictionary definitions for roller bearingroller bearing nouna bearing in which a shaft runs on a number of hardened-steel rollers held within a cage Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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