Rollero罗莱罗rollern.滚筒；滚轴；滚转机；巨浪roller sizes轧辊尺寸roller chain滚子链roller pusher辊式推料装置roller lifter滚子挺柱,滚子式气门挺杆roller device罗拉装置roller hockey轮式溜冰曲棍球roller scrtch辊子印痕roller tilter辊式翻钢机roller's sideroller turner滚花轮

1. Needle roller bearing is a bearing.
   滚针轴承是轴承的一种。
2. 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。