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單向軸承(cheng)是(shi)(shi)在(zai)一(yi)個(ge)方(fang)向上(shang)可以自由轉動，而(er)在(zai)另一(yi)個(ge)方(fang)向上(shang)鎖死的一(yi)種軸承(cheng)。單向軸承(cheng)也叫超(chao)越離合(he)器(qi)，只是(shi)(shi)根(gen)據行業(ye)不同，作用不同來命名的。


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