Clutch device and drivetrain comprising such a clutch device

A clutch device (2) comprising a clutch input hub (20) which is connectable to a drive unit (24), a clutch output hub (44) which is connectable to an electric machine (46) and/or to a transmission (50), a clutch (40) via which the clutch input hub (20) can be selectively brought into rotary driving connection with the clutch output hub (44), and an actuating piston (72) for hydraulically actuating the clutch (40), a chamber (76) to which fluid may be applied being assigned to said actuating piston, wherein fluid can be applied to the chamber (76) via a first rotary feedthrough (82) between a stationary component (26) and the clutch input hub (20) and via a second rotary feedthrough (84) between the clutch input hub (20) and the clutch output hub (44), wherein the first rotary feedthrough (82) and the second rotary feedthrough (84) are designed on the side of the clutch input hub (20) facing outward in radial direction (10).