The present invention relates to a drive roller (4) for a feeder house (2) for conveying crop material (8) in a self-propelled harvester (1), wherein the drive roller (4) by means of a concentrically about a drive axis (9) extending the hub (46 ) rotationally fixed to a drive shaft (90) can be fastened, wherein the driving roller (4) carrier (41), which on the hub (46) are arranged uniformly distributed, and extending from the hub, starting at an open end, and positive and / or frictional transport of a conveyor belt (5) are provided, one of the carriers (41) facing outer surface (42) of the hub (46) is at least partially ramp-shaped, so that the hub (46) in or against a axial direction of the axis towards the open end is tapered. The present invention further relates to an inclined conveyor (2) with such a drive roller (4) and an assembly of a self-propelled harvester (1) and such an inclined conveyor (2).
