A part that fixes the stator and supports the bearing part of the rotor in the motor body, preventing harmful substances such as foreign matter, dust, and water from entering the motor, while extending the life of the motor and shortening assembly time. .A part that fixes the stator and supports the bearing part of the rotor in the motor body, preventing harmful substances such as foreign matter, dust, and water from entering the motor, while extending the life of the motor and shortening assembly time. .