Patent ID: 7678206
Filing Date: 2010-03-16
Classification: C21D,F01L

Abstract:
1. A method of manufacturing a rocker arm bearing apparatus that includes a pair of opposite sidewalls including shaft end insertion holes, respectively; a supporting shaft that includes a raceway portion on an intermediate portion thereof and opposite shaft ends fixed to inner peripheral edges of the shaft end insertion holes, respectively; and an outer ring rotatably supported on the raceway portion through a plurality of rolling elements or directly, the method comprising: inserting the opposite shaft ends into the shaft end insertion holes, respectively; fixing the shaft ends to the inner peripheral edges of the shaft end insertion holes to form a rocker arm bearing assembly in which the shaft ends are fixed to the inner peripheral edges of the shaft end insertion holes and the outer ring is rotatably supported on the raceway portion through the plurality of rolling elements or directly; and performing quenching heat treatment on an entirety of the rocker arm bearing assembly.