Patent ID: 6896415
Filing Date: 2005-05-24
Classification: F16C

Abstract:
1. A bearing apparatus comprising a first bearing fixed to a shaft, the first bearing including: an outer ring having an outer raceway formed in an inner peripheral surface thereof; an inner ring having an inner raceway formed in an outer peripheral surface thereof; a crown-shaped retainer interposed between the outer and inner rings so as to be rotated with respect to the outer and inner rings; and a plurality of balls rotatably held in a plurality of pockets formed in the crown-shaped retainer, wherein a preload is applied to a retainer pocket-opening side of the inner ring of the first bearing and a retainer counter-pocket-opening side of the outer ring of the first bearing, and wherein an indicating arrangement, allowing the incorporating-direction of the retainer to be distinguished, is provided on at least one axial-direction end face of the bearing apparatus.