roller bearing cup

• 滚柱轴承座

roller bearing cup的用法和样例：

例句

1. Conic roller bearing is used for desirable bearing capacity.
   园锥滚柱轴承，承载力大。
2. Crankshaft bearings are double-row spherical roller bearings.
   曲轴轴承为双列球面滚柱轴承。