PULLEY AND BEARING ASSEMBLY FOR INTERNAL COMBUSTION ENGINE FRONT END ACCESSORY DRIVE

摘要

An idler pulley and bearing assembly for handling the drive belt of a front end accessory drive system of an internal combustion engine includes a bearing having an outer race and an inner race with an aperture for extending therethrough, and a mounting structure for securing the outer race of the bearing such that the outer race will not rotate. A pulley mounted upon a shaft extending through the aperture in the inner bearing is attached to the inner race such that the shaft pulley and inner race rotate at the same speed. This construction greatly reduces the rotational speed of the anti-friction elements within the bearing and preserves the bearing's lubrication, so as to prolong the life of the bearing, while reducing noise generated by the bearing.