Patent ID: 8197215

Claim:
A drive train for a wind turbine, the drive train comprising: a main shaft coupled, at a first end, to a hub of the wind turbine, said main shaft defining a rotational axis, a main bearing arrangement in the form of a single locating bearing arranged to support the main shaft, thereby providing a first support point for the main shaft, said main bearing arrangement comprising an inner raceway connected to the main shaft and an outer raceway coupled to a support structure of the wind turbine, and a gear arrangement coupled to the main shaft at a second end of the main shaft arranged opposite the first end, said gear arrangement providing a second support point for the main shaft, wherein the outer raceway of the main bearing arrangement is coupled to the support structure via a first flange part arranged on the outer raceway and a second flange part arranged on the support structure, said first and second flange parts defining interfacing surfaces extending in a plane which is arranged non-parallel to the rotational axis of the main shaft, and wherein the drive train further comprises means for temporarily fixing the hub of the wind turbine to the support structure.