电机轴承必须定期注油润滑替换已变质和漏掉的旧润滑油。重新注油的周期取决于轴承的形式、规格和转速、工作温度以及环境条件。一般说来,轴承越小,转速越高,需要润滑的次数越频。轴承越大,转速越低,需要维护的间隔时间越长。 Motor bearings must be lubricated periodically to replace old lubricants that have been deteriorated and missed. The period of refueling depends on the form of the bearing, the size and speed of rotation, the operating temperature and the environmental conditions. In general, the smaller the bearing, the higher the speed, the more frequent the number of lubrication needs. The larger the bearing, the lower the speed, the longer the interval to be maintained.