A drivetrain unit for a motor vehicle, comprising a hybrid module that is equipped with an electric machine having a stator and a rotor arranged radially inside the stator, three clutches (8, 9, 10) having first and second interconnectable clutch components (6a, 6b, 6c, 7a, 7b, 7c), and a rotor carrier, to which the rotor is attached and to which the respective first clutch component (6a, 6b, 6c) of the three clutches (8, 9, 10) is non-rotatably connected and a transmission device interacting with the hybrid module by means of a second transmission input shaft, wherein the second clutch component of the first clutch of the three clutches (8, 9, 10) is mounted on the rotor carrier so as to be rotatable relative thereto, and is further rotatably connected to an input shaft of the hybrid module, wherein the input shaft is non-rotatably connected to an output shaft of an internal combustion engine, wherein the second clutch component of the second clutch of the three clutches (8, 9, 10) is non-rotatably connected to a first transmission input shaft, wherein the second clutch component of the third clutch of the three clutches (8, 9, 10) is non-rotatably connected to the second transmission input shaft, the first transmission input shaft protrudes from the second transmission input shaft that is designed as a hollow shaft, and the rotor carrier is mounted on the second transmission input shaft so as to be rotatable relative thereto, wherein the rotor carrier has a central web that is supported on the second transmission input shaft by a rolling bearing, the central web is axially arranged between the second clutch and the third clutch and extends inwards in the radial direction, and the rolling bearing is clamped between the outer circumferential side of the second transmission input shaft and an inner circumferential side of the central web. a hybrid module that is equipped with an electric machine having a stator and a rotor arranged radially inside the stator, three clutches (8, 9, 10) having first and second interconnectable clutch components (6a, 6b, 6c, 7a, 7b, 7c), and a rotor carrier, to which the rotor is attached and to which the respective first clutch component (6a, 6b, 6c) of the three clutches (8, 9, 10) is non-rotatably connected and a transmission device interacting with the hybrid module by means of a second transmission input shaft, wherein the second clutch component of the first clutch of the three clutches (8, 9, 10) is mounted on the rotor carrier so as to be rotatable relative thereto, and is further rotatably connected to an input shaft of the hybrid module, wherein the input shaft is non-rotatably connected to an output shaft of an internal combustion engine, wherein the second clutch component of the second clutch of the three clutches (8, 9, 10) is non-rotatably connected to a first transmission input shaft, wherein the second clutch component of the third clutch of the three clutches (8, 9, 10) is non-rotatably connected to the second transmission input shaft, the first transmission input shaft protrudes from the second transmission input shaft that is designed as a hollow shaft, and the rotor carrier is mounted on the second transmission input shaft so as to be rotatable relative thereto, wherein the rotor carrier has a central web that is supported on the second transmission input shaft by a rolling bearing, the central web is axially arranged between the second clutch and the third clutch and extends inwards in the radial direction, and the rolling bearing is clamped between the outer circumferential side of the second transmission input shaft and an inner circumferential side of the central web.