US Patent 7216430 Rolling bearing, and crank shaft bearing

To form a dividing portion 21 of an outer ring 13 so that a dividing line is of a crankshaft shape as seen in the axial direction while first and second race ring halves 16, 17 fit to each other. The dividing portion 21 is formed so that first dividing surfaces located on the side of the inside cylindrical surface 14 are in contact with each other in the state of being attached to a cylinder body and a crankcase. The dividing portion 21 is also formed so that a clearance S is produced between third dividing surfaces on radially outer side.