Patent ID: 8371759
Filing Date: 2013-02-12
Classification: F16C,F16H,Y10T

Abstract:
1. A double row rolling bearing for supporting a pinion shaft, comprising: an outer ring that includes a larger-diameter raceway and a smaller-diameter raceway which are formed in two rows on an inner peripheral surface thereof; and an inner ring assembly that includes: wherein the drop limitation portion is configured such that when the rolling bearing is being assembled, the outer ring is fixed to an inner peripheral surface of a case with an axis there of being disposed horizontally, and the inner ring assembly fitted on the pinion shaft is inserted horizontally into the outer ring through a larger-diameter opening of the outer ring to be mounted in the outer ring while the drop limitation portion prevents the larger-diameter row of rolling elements from dropping in an amount exceeding a predetermined value and, when larger-diameter row of rolling elements is disposed between the larger-diameter raceways of the outer and inner raceways a gap is provided between the drop limitation portion and the inner ring.