Patent ID: 8630062

Claim:
A bearing apparatus comprising: a shaft; a first rolling bearing fitted externally to the shaft; a second rolling bearing having a larger diameter than that of the first rolling bearing and fitted externally to the first rolling bearing; and a support portion supporting an outer race of the second rolling bearing on one end side in an axial direction, wherein an inner race of the first rolling bearing is fixed to the shaft, and an outer race of the first rolling bearing is fixed to an inner race of the second rolling bearing, wherein in the first rolling bearing, the outer race and rolling elements are in contact with each other on the side of a center of the rolling elements closer to the one end side in the axial direction, and the inner race and the rolling elements are in contact with each other on the side of the center of the rolling elements closer to the other end side in the axial direction, and wherein in the second rolling bearing, the outer race and rolling elements are in contact with each other on the side of a center of the rolling elements closer to the one end side in the axial direction, and the inner race and the rolling elements are in contact with each other on the side of the center of the rolling elements closer to the other end side in the axial direction.