Electrically insulated bearings use a special spraying process to spray a high-quality coating on the outer surface of the bearing. The coating has strong bonding force with the matrix and has good insulation performance. It can avoid the electroerosive effect of induced current on the bearing and prevent the current from affecting the grease and rolling elements. , damage caused by the raceway and improve the service life of the bearing. The process is constantly being improved. In insulated bearings, there is a 100μm thick coating on the surface of the outer or inner ring, which can withstand voltages up to 1000 V DC. The special spraying process can form a layer of uniform thickness and strong adhesion, which can then be further processed to make it unaffected by moisture and humidity. Electrically insulated bearings can avoid damage caused by electrical corrosion, so Compared with ordinary bearings, it can ensure more reliable operation when used in motors. It is more cost-effective and reliable than other insulation methods, such as shaft or housing insulation. The overall dimensions and basic technical characteristics of insulated bearings are the same as non-insulated bearings, so they are 100% interchangeable.