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