Patent ID: 8579512

Claim:
A drive unit for motor vehicles, comprising; at least one electric motor; at least one transmission assembly; at least one rotor shaft of the at least one electric motor operatively connecting the electric motor and the transmission assembly to one another; and at least one first rolling bearing, which is located in a rotary lead-through for the rotor shaft in the transmission assembly with the rotor shaft being rotatably mounted by the at least one first rolling bearing, wherein the first rolling bearing has a first seal, which is in slidingly sealing contact with a sealing surface at least one point, that seals the first rolling bearing on a side of the first rolling bearing facing the electric motor, and the first rolling bearing has at least one radial first annular gap such that the first rolling bearing is open on a side facing the transmission assembly, wherein the first rolling bearing has rolling bodies arranged axially between the first seal and the radial first annular gap, and wherein a part of the transmission assembly is driven by the rotor shaft, and a helical profiling between the part of the transmission assembly and a further shaft forms a delivery device for lubricating oil.