Patent ID: 8448619

Claim:
A rocker arm assembly for use in an internal combustion engine where the assembly is pedistally mounted on a cylinder head in a push rod style engine, comprising: a rocker arm having a transverse through hole; a support pin having an axis of rotation and positioned in the through hole such that the rocker arm is rockable about the axis of rotation; and a bearing positioned at each end of the support pin in the through hole between the support pin and the rocker arm; wherein the bearing comprises: an outer sleeve abutting an inner circumferential wall of the through hole, and having an outer bearing wall that extends radially inward and covers the through hole, the outer bearing wall having an outer retention shoulder for the rolling elements and the outer bearing sleeve having an inner retention flange for the rolling elements; an inner sleeve abutting an outer circumferential wall of the support pin, and having an inner bearing wall that extends radially inward toward the axis of rotation of the support pin so as to cover an axial end wall of the support pin, and the inner bearing wall having a hole located at the axis of rotation of the support pin, the inner sleeve having an axially inner open end; the outer bearing wall abutting the inner bearing wall to accommodate axial loads; and rolling elements positioned between and in contact with the inner and outer sleeve to accommodate radial loads.