Patent ID: 7073949

Claim:
A disk bearing hub assembly comprising: a housing with an outer surface, first and second sides, and a bore extending between the sides; a bearing assembly supported within the bore; a spindle having an inner end supported by the roller bearing assembly within the bore for rotation about a spindle axis, and an outer end extending axially outwardly of the first side of the housing; the outer end of the spindle including a housing overlap portion projecting radially outwardly of the first side of the housing, the overlap portion including a protective lip extending in the axial direction towards the inner end of the spindle at a location adjacent the outer surface of the first side of the housing; a first seal located within the bore adjacent the first side of the housing and the overlap portion, the first seal limiting movement of dirt and debris passing the protective lip toward the bearing assembly; a multiple lip seal sealing between the housing and the spindle, the lip seal located axially inwardly from the first seal and axially outwardly of the bearing assembly, the lip seal limiting movement of dirt and debris passing the first seal toward the bearing assembly; the spindle including a disk support area extending axially outwardly of the first side of the housing; and wherein the inner end of the spindle is completely contained within the bore of the housing, and the second side of the housing is sealed to prevent dirt and debris from entering the bearing assembly from the second side.