轴承零件在正常相对位置时，滚动体与滚道表面接触的点。

Bearing parts in the normal relative position, the surface of the rolling element and raceway contact points.

youdao

轴承零件在正常相对位置时，滚动体与滚道表面接触的点。

Bearing parts in the normal relative position, the surface of the rolling element and raceway contact points.

youdao