An arrangement for mounting an output shaft (1) designed as a spider shaft of the planetary gear set of a transmission includes an axial needle bearing (6) arranged between an output-side spider plate (4) of the output shaft (1) and a housing (5) of the transmission, a radial needle bearing (7) for the radial mounting of the output shaft (1) in the housing (5), a thrust washer (8) attached to the output shaft (1) with the aid of a snap ring (9), and a shaft sealing ring (10) arranged on the side of the thrust washer (8) facing the output, into the interior space of which the thrust washer (8) and the snap ring (9) for attaching the thrust washer (8) extend.