Patent ID: 7540569
Filing Date: 2009-06-02
Classification: B60B,F16C

Abstract:
1. A bearing apparatus for mounting a wheel to a vehicle and to support a brake disc, said bearing apparatus having an inboard side facing said vehicle when said bearing apparatus is mounted to said vehicle and an outboard side opposite from said inboard side, comprising: an outer ring member non-rotatably mountable to said vehicle by a mounting structure connected to the outer ring member; an inner ring member that is disposed concentric with said outer ring member about a center axis; a plurality of rolling elements provided between said outer ring member and said inner ring member; a hub wheel having a radially-outwardly extending flange, the hub wheel being inserted in said inner ring member and having an axial end face caulked to said inner ring member; said flange of said hub wheel having a flange face in which boltholes are through-formed and onto which the brake disc is mounted by bolts press inserted through the boltholes, said flange face being on said outboard side of said bearing apparatus; and said flange face having a receded flange face portion extending radially outward from radially outermost circumferential points of said boltholes with respect to said center axis, said receded flange face portion being increasingly receded from a plane perpendicular to said center axis with increasing radial distance from said center axis.