調心滾子軸承具有兩列滾子，主要承受徑向載荷，同時也能承受任一方向的軸向載荷。有高的徑向載荷能力，特別適用于重載或振動載荷下工作，但不能承受純軸向載荷。該類軸承外圈滾道是球面形，故其調心性能良好，能補償同軸度誤差。

有兩列對稱型球面滾子，外圈有一條共用的球面滾道，內圈有兩條與軸承軸線傾斜一角度的滾道，具有良好的調心性能，當軸受力彎曲或安裝不同心時軸承仍可正常使用，調心性隨軸承尺寸系列不同而異，一般所允許的調心角度為1~2.5度 ，該類型軸承的負荷能力較大，除能承受徑向負荷外軸承還能承受雙向作用的軸向負荷，具有較好的抗沖擊能力，一般來說調心滾子軸承所允許的工作轉速較低。

調(diao)(diao)心(xin)(xin)滾(gun)子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)按滾(gun)子(zi)截面形(xing)(xing)狀分(fen)為(wei)(wei)(wei)(wei)對(dui)(dui)稱形(xing)(xing)球面滾(gun)子(zi)和(he)(he)非(fei)對(dui)(dui)稱形(xing)(xing)球面滾(gun)子(zi)兩(liang)種不同結構(gou)，非(fei)對(dui)(dui)稱調(diao)(diao)心(xin)(xin)滾(gun)子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)屬早期產(chan)(chan)品，主要(yao)是(shi)(shi)為(wei)(wei)(wei)(wei)主機(ji)(ji)維修(xiu)服務，新設計主機(ji)(ji)時則很少(shao)選用對(dui)(dui)稱形(xing)(xing)調(diao)(diao)心(xin)(xin)滾(gun)子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)，內(nei)部結構(gou)經過全面改進設計及參(can)數(shu)優(you)化，與早期生(sheng)產(chan)(chan)的(de)調(diao)(diao)心(xin)(xin)滾(gun)子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)相比，能夠承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)受更大的(de)軸(zhou)(zhou)(zhou)(zhou)向負荷，這種軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)運行溫度較(jiao)低，故可適應較(jiao)高轉速的(de)要(yao)求(qiu)，根據(ju)內(nei)圈(quan)(quan)有(you)(you)無擋(dang)邊及所用保(bao)持(chi)架的(de)不同可分(fen)為(wei)(wei)(wei)(wei)C型(xing)(xing)(xing)與CA型(xing)(xing)(xing)兩(liang)種,C型(xing)(xing)(xing)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)特(te)點(dian)是(shi)(shi)內(nei)圈(quan)(quan)無擋(dang)邊和(he)(he)采(cai)用鋼板沖壓保(bao)持(chi)架,CA型(xing)(xing)(xing)特(te)瑞恩軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)特(te)點(dian)則為(wei)(wei)(wei)(wei)內(nei)圈(quan)(quan)兩(liang)側(ce)均有(you)(you)擋(dang)邊和(he)(he)采(cai)用車制實體保(bao)持(chi)架為(wei)(wei)(wei)(wei)了改善軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)潤滑, 可向用戶提(ti)供外圈(quan)(quan)帶(dai)有(you)(you)環(huan)狀油(you)槽和(he)(he)三(san)個油(you)孔(kong)的(de)調(diao)(diao)心(xin)(xin)滾(gun)子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng),以軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)后置(zhi)代號(hao)/W33 表示,根據(ju)用戶的(de)要(yao)求(qiu)也(ye)可供應帶(dai)內(nei)圈(quan)(quan)油(you)孔(kong)的(de)調(diao)(diao)心(xin)(xin)滾(gun)子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng),為(wei)(wei)(wei)(wei)了便于客戶裝(zhuang)卸(xie)和(he)(he)更換軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng), 還(huan)可提(ti)供內(nei)孔(kong)帶(dai)有(you)(you)錐(zhui)(zhui)度的(de)調(diao)(diao)心(xin)(xin)滾(gun)子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng),錐(zhui)(zhui)孔(kong)錐(zhui)(zhui)度為(wei)(wei)(wei)(wei)1:12 以后置(zhi)代號(hao)為(wei)(wei)(wei)(wei)K 表示,為(wei)(wei)(wei)(wei)了適應特(te)殊用戶的(de)要(yao)求(qiu)也(ye)可提(ti)供內(nei)孔(kong)錐(zhui)(zhui)度為(wei)(wei)(wei)(wei)1:30 的(de)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng),其后置(zhi)代號(hao)為(wei)(wei)(wei)(wei)K30 內(nei)孔(kong)帶(dai)錐(zhui)(zhui)度的(de)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)可用鎖緊螺母(mu)將軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)直接裝(zhuang)在錐(zhui)(zhui)形(xing)(xing)軸(zhou)(zhou)(zhou)(zhou)頸上,也(ye)可借助(zhu)緊定(ding)套(tao)或退(tui)卸(xie)套(tao)將軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)安裝(zhuang)在圓柱形(xing)(xing)軸(zhou)(zhou)(zhou)(zhou)頸上。