ROTOR AND MOTOR

A rotor (20) according to the present invention is provided with: an iron core (21); a plurality of permanent magnets (22) that are bonded to a lateral surface (21a) of the iron core (21) by means of an adhesive layer (23), said lateral surface being parallel to the central axis (C) of the iron core (21); and a reinforcement member (24) that has a cylindrical shape and is arranged on the outer surfaces of the plurality of permanent magnets (22) bonded to the lateral surface (21a) of the iron core (21). The reinforcement member (24) is composed of a fiber-reinforced plastic wherein some fibers are oriented in the circumferential direction of the cylindrical shape. This rotor is characterized in that the ratio of the elongation at break of the fibers oriented in the circumferential direction of the fiber-reinforced plastic having a cylindrical shape to the elongation at break of the adhesive layer (23) is not more than twice the ratio of the thickness (t) of the adhesive layer (23) to the outer diameter (D) of