The present invention may provide a motor including a stator, a rotor disposed inside the stator, and a shaft coupled to the rotor, wherein the rotor includes a rotor core disposed outside the shaft, a magnet disposed outside the rotor core, and a molding part which molds the rotor core and the magnet, and the molding part includes an upper part disposed on an upper surface of the magnet, a lower part disposed on a lower surface of the magnet, a lateral part disposed on a side surface of the magnet, and a protrusion part which protrudes from the lateral part in an axial direction of the shaft.