维修带轴承的设备（如电机）时，经常会碰到轴承跑内圈 或跑外圈。如果轴承跑内圈，可卸下轴承，用车床在转轴的轴承档位滚花，或用錾子在轴承档位錾一些麻点，安上轴承，即可保证转轴与轴承内圈相对静止，可临时使用。如果用焊条铺焊转轴的轴承档位，再用车床或磨床加工，效果 Maintenance of bearing equipment (such as motor), often run across the inner bearing run or run outside the ring. If the bearing running inner ring, you can remove the bearing, with the lathe in the shaft bearing stall knurled, or prickly heat in the bearing stalls with some pockmarks, bearing on, you can ensure that the bearing shaft and the bearing shaft is relatively static, Can be used temporarily. If welding rod shaft welding bearing stalls, and then lathe or grinding machine, the effect