double row ball bearing

self-aligning double-row bearing 双列自动调心轴承 double row ball bearing 双列滚珠轴承 ; 双列球轴承 double row roller bearing 双列滚子轴承 ..

 two row ball bearing

... two plate两极式（模具） two row ball bearing 双列滚珠轴承 two seater airplane 双座飞机 ...

 double-row ball bearing

... 滚针轴承 needle bearing 双列滚珠轴承 double-row ball bearing 轴承外圈 bearing cup ...