ROLLING BEARING, CAMSHAFT DEVICE, AND CAMSHAFT SUPPORTING DEVICE

摘要

A cam shaft assembly is provided which includes a rolling bearing providing for effective oil feeding to a raceway. The assembly includes: a shaft (1); the rolling bearings (3) rotatably supporting the shaft (1); and cams (2) fitted on the shaft (1). The rolling bearing (3) includes a circumferential groove formed in an outer periphery of an outer ring (5) and an axial groove extending from place in the circumferential groove and opening at a lateral side of the outer ring (5).