A hybrid drive device including a rotary electric machine having a stator and a rotor, a transmission coupled to the rotary electric machine, a clutch that couples an engine and the rotary electric machine and that releases a connection of the two, and a case for housing the rotary electric machine and the clutch, the hybrid drive device comprising: a first transmitting shaft coupled to an output shaft of the engine; and a second transmitting shaft that transmits power from the rotor of the rotary electric machine to the transmission; and a rotor support member that supports the rotor of the rotary electric machine +, wherein the case includes an end wall portion that is extended so as to face the rotary electric machine and the clutch on the engine side, the rotor support member includes an annular member that is disposed so as to face the end wall portion of the case, the end wall portion includes a first tubular portion that protrudes in an axial direction from an inner periphery toward the transmission, and a second tubular portion that protrudes in the axial direction toward the transmission so as to surround the first tubular portion, the annular member includes a tubular portion that protrudes in the axial direction from an inner periphery toward the engine, an inner side radial bearing is disposed between the first transmitting shaft and an inner peripheral surface of the first tubular portion of the end wall portion, a clearance (a) is formed between an outer peripheral surface of the first tubular portion of the end wall portion and an inner peripheral surface of the tubular portion of the annular member, and an outer side radial bearing (Brf) is disposed between an outer peripheral surface of the tubular portion of the annular member and an inner peripheral surface of the second tubular portion of the end wall portion. a first transmitting shaft coupled to an output shaft of the engine; and a second transmitting shaft that transmits power from the rotor of the rotary electric machine to the transmission; and a rotor support member that supports the rotor of the rotary electric machine +, wherein the case includes an end wall portion that is extended so as to face the rotary electric machine and the clutch on the engine side, the rotor support member includes an annular member that is disposed so as to face the end wall portion of the case, the end wall portion includes a first tubular portion that protrudes in an axial direction from an inner periphery toward the transmission, and a second tubular portion that protrudes in the axial direction toward the transmission so as to surround the first tubular portion, the annular member includes a tubular portion that protrudes in the axial direction from an inner periphery toward the engine, an inner side radial bearing is disposed between the first transmitting shaft and an inner peripheral surface of the first tubular portion of the end wall portion, a clearance (a) is formed between an outer peripheral surface of the first tubular portion of the end wall portion and an inner peripheral surface of the tubular portion of the annular member, and an outer side radial bearing (Brf) is disposed between an outer peripheral surface of the tubular portion of the annular member and an inner peripheral surface of the second tubular portion of the end wall portion.