无隔圈滚珠轴承

бессепараторный шарикоподшипник

双保护垫的滚珠轴承

two shields ball bearing

主动小锥齿轮滚珠轴承

bevel drive pinion ball bearing

单列有罩开口环滚珠轴承

single-row snap ring ball bearing with shield

双向自动调整止推滚珠轴承

two-direction self-aligning ball thrust bearing