Patent ID: 7273141

Claim:
A one-way clutch integrated with a rolling bearing, comprising: an inner race and an outer race each including a one-way clutch raceway surface located on an axial side of a rolling bearing raceway surface, said one-way clutch raceway surface and said rolling bearing raceway surface of the inner race respectively corresponding positionally to said one-way clutch raceway surface and said rolling bearing raceway surface of the outer race; rolling elements for the rolling bearing, and sprags for the one-way clutch being arranged in an annular space between said inner race and said outer race; and a step being formed in each of said inner race and said outer race between said one-way clutch raceway surface and a shoulder portion adjacent to said rolling bearing raceway surface, said step being directed in a direction in which a radial dimension of said annular space in said one-way clutch raceway surface is larger than a radial dimension of said annular space in said shoulder portion.