Patent ID: 8345386
Filing Date: 2013-01-01
Classification: F16C,G11B

Abstract:
1. A bearing device, comprising: a shaft; a sleeve arranged on an outside of the shaft such that a central axis thereof coincides with a central axis of the shaft; a first roller bearing and a second roller bearing, which are arranged side by side in a direction of the central axes, for supporting the shaft and the sleeve so that the shaft and the sleeve are capable of freely moving rotationally relative to each other; and a spacer portion extending between the first roller bearing and the second roller bearing and protruding from an inner peripheral surface of the sleeve, wherein the sleeve overlaps a portion of the first roller bearing but does not overlap a race surface of the first roller bearing in the direction of the central axes, wherein the sleeve overlaps at least a major portion of the second roller bearing in the direction of the central axes, and wherein the first roller bearing is disposed below the spacer portion, and the second roller bearing is disposed above the spacer portion, with respect to a lower flange portion of the shaft.