雙列軸承
雙列圓柱滾子軸承有圓柱形內孔和圓錐形內孔(軸承後置代號加K)兩種結構。該類軸承具有結構緊湊、剛性大、承載能力大、受(shou)負(fu)荷(he)後(hou)變(bian)形(xing)小(xiao)等(deng)優(you)點(dian),特(te)別(bie)適(shi)用(yong)於(yu)機(ji)床(chuang)主(zhu)軸(zhou)支(zhi)承(cheng)。圓(yuan)錐(zhui)形(xing)內(nei)孔(kong)還(hai)能(neng)夠(gou)起(qi)到(dao)微(wei)量(liang)調(tiao)整(zheng)遊(you)隙(xi)的(de)作(zuo)用(yong),且(qie)能(neng)夠(gou)簡(jian)化(hua)定(ding)位(wei)裝(zhuang)置(zhi)結(jie)構(gou),便(bian)利(li)裝(zhuang)置(zhi)拆(chai)開(kai)。常(chang)用(yong)的(de)雙(shuang)列(lie)圓(yuan)柱(zhu)滾(gun)子(zi)軸(zhou)承(cheng)有(you)以(yi)下(xia)下(xia)幾(ji)種(zhong)形(xing)式(shi):
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