The utility model relates to an energy-saving motor with high efficiency of heat dissipation, which mainly comprises the main parts, such as a motor stator, a coil winding, a rotator, a bearing and the like. The motor is characterized in that bearing seats in end covers on both sides of the motor are designed into an external packaged and bare shape in the axial direction in the utility model, the external diameter of the bearing seats and the external side surface of the end cover are provided with reinforced ribs, a micro-blade is arranged on the axial position, which guarantees the good lubrication, heat dissipating effect and cooling effect under the working state of the motor and prevents the coil winding from being damaged by oil pollutants, greatly improves the service life of a motor and the relative groups and has the functions of saving energy, reducing consumption and improving the manufacturing efficiency.