Patent ID: 7992533

Claim:
A shaft comprising a shaft body carrying at least one functional element, wherein said functional element is manufactured separately from the shaft body and subsequently the shaft body is extended axially through a bore of the functional element and the bore of the functional element is press fit onto the shaft body to affix the functional element to the shaft body in an axially and rotationally fixed manner, said shaft having at least one journal formed by a roller bearing comprising at least one undivided roller bearing element mounted on the shaft body, further wherein the roller bearing comprises an outer bearing ring with a lubricant hole extending substantially radially therethrough opening into an inner bearing race for bearing rollers, and an annular lubricant groove is provided in the external contour of the journal or in the external contour of the outer bearing ring or in a bearing mounting contour enclosing the outer bearing ring, and at least one of the hole and the annular groove is configured as a throttling element for limiting lubricant flow.