back-to-back duplex bearing 成对双联轴承 ; 成对双联 ; 成对于双联轴承

face-to-face duplex bearing [机] 成对双联轴承

tandem duplex bearing 成对串联安装轴承

back duplex bearing 成对双联轴承

face duplex bearing 成对双联轴承

duplex ball bearing 双联球轴承 ; 成对安装球轴承 ; 成对双联向心推力球轴承 ; 成对双联向心推力球

duplex needle bearing [机] 双列滚针轴承

face-to-face duplex ball bearing 成对双联推力球轴承 ; 成对双联向心推力球轴承

face-to-face duplex tapered roller bearing 成对双联圆锥滚子轴承