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碶塊式單向軸承

碶塊(kuai)式單(dan)向(xiang)軸承(cheng)是(shi)在一(yi)(yi)個方(fang)向(xiang)上(shang)可以自由轉動，而(er)在另一(yi)(yi)個方(fang)向(xiang)上(shang)鎖死的一(yi)(yi)種軸承(cheng)。單(dan)向(xiang)軸承(cheng)也(ye)叫(jiao)超(chao)越(yue)離(li)合(he)器，只是(shi)根(gen)據(ju)行(xing)業(ye)不(bu)同，作用不(bu)同來命名的。