gearbox for a wind turbine

Abstract

Wind turbine gearbox (1), in particular planetary gearbox, with several gear wheels, in particular planet gears (4), each of which is mounted on an axle (8) via a bearing element, characterized in that the bearing element is a multi-layer plain bearing (7), wherein the multi-layer plain bearing (7) has at least one support layer (14) and at least one sliding layer (15), wherein the sliding layer (15) has a Vickers hardness of at least 75 HV(0.001) at least in the surface region of a running surface (16), or wherein a sliding layer (15) is applied to an inner surface of the bore of the gear wheel receiving the axle (8) and / or to an outer surface of the axle (8), wherein the sliding layer (15) has a Vickers hardness of at least 75 HV(0.001) at least in the surface region of a running surface (16).