A gear unit with a right-angled gear stage, which has a gear wheel and a gearing part which is non-rotatably connected to, and/or embodied in one piece, in particular in one part, with, a shaft, in particular input shaft of the gear unit, of the right-angled gear stage, in particular wherein the gearing of the gear wheel and the gearing of the gearing part are engaged with each other, wherein the shaft and/or the gearing part is/are borne by way of bearings of the right-angled gear stage which are received in a second bush of the right-angled gear stage, wherein the second bush is received in a first bush of the right-angled gear stage, wherein the first bush is received in a housing part of the right-angled gear stage, wherein the first bush has an externally cylindrically shaped region, the cylinder axis of which is spaced apart from and parallel to a cylinder axis of an internally cylindrically shaped region of the first bush, in particular on which region the second bush is received and/or rests, wherein the second bush has an externally cylindrically shaped region, the cylinder axis of which is spaced apart from and parallel to a cylinder axis of an internally cylindrically shaped region of the second bush, on which region the bearings are received, wherein the first bush has a radially projecting collar region in which are formed axially uninterrupted elongate holes, wherein the elongate holes are arranged on the same radial distance region in each case, wherein the second bush has a radially projecting collar region in which are formed axially uninterrupted elongate holes which are arranged on the same radial distance region in each case, the elongate holes of the first and second bush (3, 4) are arranged at the same radial distance and overlap each other in the circumferential direction, wherein in the axial direction the elongate holes of the first bush adjoin the elongate holes of the second bush, wherein a screwing part is passed through one of the elongate holes in the collar of the first bush and through one of the elongate holes in the collar of the second bush. which has a gear wheel and a gearing part which is non-rotatably connected to, and/or embodied in one piece, in particular in one part, with, a shaft, in particular input shaft of the gear unit, of the right-angled gear stage, in particular wherein the gearing of the gear wheel and the gearing of the gearing part are engaged with each other, wherein the shaft and/or the gearing part is/are borne by way of bearings of the right-angled gear stage which are received in a second bush of the right-angled gear stage, wherein the second bush is received in a first bush of the right-angled gear stage, wherein the first bush is received in a housing part of the right-angled gear stage, wherein the first bush has an externally cylindrically shaped region, the cylinder axis of which is spaced apart from and parallel to a cylinder axis of an internally cylindrically shaped region of the first bush, in particular on which region the second bush is received and/or rests, wherein the second bush has an externally cylindrically shaped region, the cylinder axis of which is spaced apart from and parallel to a cylinder axis of an internally cylindrically shaped region of the second bush, on which region the bearings are received, wherein the first bush has a radially projecting collar region in which are formed axially uninterrupted elongate holes, wherein the elongate holes are arranged on the same radial distance region in each case, wherein the second bush has a radially projecting collar region in which are formed axially uninterrupted elongate holes which are arranged on the same radial distance region in each case, the elongate holes of the first and second bush (3, 4) are arranged at the same radial distance and overlap each other in the circumferential direction, wherein in the axial direction the elongate holes of the first bush adjoin the elongate holes of the second bush, wherein a screwing part is passed through one of the elongate holes in the collar of the first bush and through one of the elongate holes in the collar of the second bush.