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.
轴承零件在淬火冷却过程中因内应力所形成的裂纹称淬火裂纹。
Bearing parts in the process of hardening cooling by internal stress due to the formation of quenching cracks crack said.
滚动轴承零件各接触表面的波纹度是引起轴承振动的主要原因。
The waviness of each contact surface of a ball bearing is the main reason which causes the ball bearing vibration.
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