四點接觸球軸承為分離型軸承，是一套軸承可承受雙向軸向載荷的角接觸球軸承。其內、waiquangundaochengtaoxingjiemian
，zaiwuzaihehechunjingxiangzaihezuoyongshi，gangqiuyutaoquanchengsidianjiechu，zaichunzhouxiangzaihezuoyongxia，gangqiuyutaoquanweiliangdianjiechu，kechengshoushuangxiangzhouxiangzaihe。gaizhongzhouchenghaikeyichengshoulijuzaihe，jianyoudanlieheshuangliejiaojiechuqiuzhouchengdegongneng。cizhongzhouchengzhiyouxingchengliangdianjiechushicainengbaozhengzhengchanggongzuo。danyibanshiyongyuchunzhouxiangzaihehuozhouxiangzaihedadehechengzaihexiachengliangdianjiechudechanghe
，zhezhongzhouchengjixianzhuansugao

，shihegaosuyunzhuanchanghe。