Patent ID: 6702398
Filing Date: 2004-03-09
Classification: B23B,B60B,Y10T

Abstract:
A hub assembly for facilitating rotation about an axis, said hub assembly comprising: a hub having a flange and a spindle projecting from the flange, the flange having a generally radially directed, although slightly concave, mounting surface that is presented away from the spindle, the flange containing an annular relief that extends circumferentially around the axis and opens out of the mounting surface, the flange also having holes that extend axially through it and open into the annular relief; threaded studs fitted into the holes and projecting out of the annular relief and beyond the mounting surfaces; and a housing surrounding the spindle of the hub and located behind the flange; an antifriction bearing located between the spindle of the hub and the housing and being configured to transfer radial loads between the hub and housing and also thrust loads in both axial directions; and wherein the mounting surface of the flange on the hub is machined and the machining occurred on the assembled hub assembly after the installation of the studs in the flange and with the hub rotating on the bearings.