英语词汇“step bearing”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	step bearing
释义	Step Bearing step bearing [′step ‚ber·iŋ] (mechanical engineering) A device which supports the bottom end of a vertical shaft. Also known as pivot bearing. Step Bearing a bearing for the rotating parts of a machine that takes up only axial loads. Step bearings are classified as either plain, in which the working surfaces are separated by a layer of lubricant, or roller-contact, in which balls and rollers are used (see).
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Step Bearing