Motor bearings are specialized support components used in electric motors to achieve efficient operation of equipment by reducing friction and supporting shaft rotation. Motor bearings mainly include rolling bearings and sliding bearings. Rolling bearings (such as deep groove ball bearings and roller bearings) are widely used in small and medium-sized motors due to their strong load-bearing capacity and low friction loss; Sliding bearings are suitable for special scenarios. Application scenarios Deep groove ball bearings: commonly used at both ends of small motors, suitable for Y2 series, QABP variable frequency motors and other models. Roller bearings: commonly used in the load end of medium-sized motors, can withstand large radial loads. Sliding bearings: suitable for high-speed or high-precision scenarios, reducing friction through lubricating oil.