quill roller
英
美
- quill n.羽茎;大翎毛;鹅毛笔;(豪猪等动物的)刺;纬管v.用刺刺;把(线等)绕在纬管上;打褶皱
- roller n.滚筒;滚轴;滚转机;巨浪
- Needle roller bearing is a bearing.
滚针轴承是轴承的一种。
- Combined needle roller bearings provide the means to produce locating bearing arrangements in a minimum of radial space.
组合式滚针轴承在很小的径向空间里对固定端轴承配置进行定位。