A rotor comprising: a rotor core ; a first end plate being provided on an end surface on one side in an axial direction in the rotor core ; a second end plate being provided on an end surface on an opposite side in the axial direction in the rotor core ; and a rotor hub including a cylindrical portion that is provided in such a way as to be adjacent to the rotor core , on a radial-direction inner side of the rotor core , and fixes the rotor core , wherein the rotor core includes a plurality of oil flow paths that are provided in such a way as to extend along the axial direction and through which first cooling oil for cooling the rotor core flows, characterized in that an end portion on one side in the axial direction in the cylindrical portion of the rotor hub includes: a plurality of crimped portions that are crimped with the first end plate; plate ; and a plurality of pairs of notch portions arranged in such a way as to be adjacent to the crimped portions in a peripheral direction of the rotor core , on respective both sides of the plurality of crimped portions , the first end plate includes a first opening portion that is provided at a first position corresponding to a position where the crimped portion of the cylindrical portion is not arranged, in the peripheral direction, is connected to a first oil flow path among the plurality of oil flow paths , and is constituted of a hole or a notch being provided in vicinity of an inner peripheral edge of the first end plate , and the second end plate includes a second opening portion that is provided at a second position (P2) corresponding to a position where the crimped portion of the cylindrical portion is arranged, in the peripheral direction, is connected to a second oil flow path other than the first oil flow path among the plurality of oil flow paths , and is constituted of a hole or a notch being provided in vicinity of an inner peripheral edge of the second end plate . a rotor core ; a first end plate being provided on an end surface on one side in an axial direction in the rotor core ; a second end plate being provided on an end surface on an opposite side in the axial direction in the rotor core ; and a rotor hub including a cylindrical portion that is provided in such a way as to be adjacent to the rotor core , on a radial-direction inner side of the rotor core , and fixes the rotor core , wherein the rotor core includes a plurality of oil flow paths that are provided in such a way as to extend along the axial direction and through which first cooling oil for cooling the rotor core flows, characterized in that an end portion on one side in the axial direction in the cylindrical portion of the rotor hub includes: a plurality of crimped portions that are crimped with the first end plate; plate ; and a plurality of pairs of notch portions arranged in such a way as to be adjacent to the crimped portions in a peripheral direction of the rotor core , on respective both sides of the plurality of crimped portions , the first end plate includes a first opening portion that is provided at a first position corresponding to a position where the crimped portion of the cylindrical portion is not arranged, in the peripheral direction, is connected to a first oil flow path among the plurality of oil flow paths , and is constituted of a hole or a notch being provided in vicinity of an inner peripheral edge of the first end plate , and the second end plate includes a second opening portion that is provided at a second position (P2) corresponding to a position where the crimped portion of the cylindrical portion is arranged, in the peripheral direction, is connected to a second oil flow path other than the first oil flow path among the plurality of oil flow paths , and is constituted of a hole or a notch being provided in vicinity of an inner peripheral edge of the second end plate . <EOS>