Patent ID: 6921137
Filing Date: 2005-07-26
Classification: B60B,F16C

Abstract:
1. A wheel-use bearing apparatus for mounting a brake disc, comprising: an outer ring member; an inner ring member disposed concentric with said outer ring member about a common axis; a plurality of rolling elements provided between said outer ring member and said inner ring member; a radially-outwardly directional flange formed on one of said outer ring member and said inner ring member, the flange 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; and a receded flange face portion extending radially outward from radially outermost circumferential points of said boltholes, said receded flange face portion being increasingly receded from a plane perpendicular to said common axis with increasing radial distance from said common axis.