Abstract: A motor including a shaft that is disposed along a vertically extending central axis in which the shaft rotates about the central axis, a magnet and a cooling member that are fixed to the shaft, a stator disposed so as to oppose the magnet in a radial direction, the stator including a coil, a motor housing that accommodates therein the shaft, the magnet, the stator, and the cooling member. The cooling member opposes, in the axial direction, the magnet directly or with another member interposed therebetween. A plurality of protruded portions are provided on the cooling member in which the plurality of protruded portions are protruded in the radial direction and are disposed in a circumferential direction.