Patent ID: 6832854
Filing Date: 2004-12-21
Classification: B60B,F16C

Abstract:
A rolling bearing device comprising:an outer ring member; an inner ring member which is arranged inside the outer ring member in a diameter direction in such a manner as to be concentric with the outer ring member and which has a center hole penetrating through the inner ring member in an axial direction; a plurality of rolling elements disposed so as to freely roll between the outer ring member and the inner ring member; and an axial member which is inserted into the center hole of the inner ring member and which has a flange outward in the diameter direction on an outer peripheral surface of the axial member, wherein the inner ring member is chamfered on an inner peripheral surface side of an end surface thereof, the axial member is caulked to the end surface of the inner ring member, an amount of decentering between the center of the inner ring member in the diameter direction and the center of the chamfer in the diameter direction is set to a range of over 0 mm and not more than 200 mm, and such that an amount of deflection of said flange on said axial member is not more than 20 &mgr;m.