- 滚轮: contact roller; trolley whee ...
- 滚针轴承: multi-roll bearing; needle b ...
- 滚针轴承滚针: roller bearing needle
- 滚针轴承: ball; bearing,needle; multi roll bearing; multi-roll bearing; multi-roller bearing; nail bearing; needle bearing; needle roller bearing; needle rolling bearing; needle rooler; needle(type) roller bearing; quill bearing
- 滚针轴承套: roller cup
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