Patent ID: 8882208

Claim:
A lubrication system comprising: a rotatable hub having a cylindrical configuration with interior and exterior cylindrical surfaces, the hub having an exterior end and an interior end and a central extent; a fixedly positioned spindle in a generally cylindrical configuration, the spindle having an outer end and an enlarged annular inner end, the spindle having a central extent axially between the outer and inner ends; tapered inner and outer wheel bearings operatively coupling the hub exteriorly and the spindle interiorly adjacent to the interior and exterior ends of the hub, the inner and outer wheel bearings adapted to allow rotation of the hub with respect to the spindle, lubricant input and output passageways extending through the inner end of the spindle and through the inner and outer wheel bearings; a pressure relief valve ( 82 ) located within the output passageway; and an axle interiorly of the spindle and rotatable with the hub, the system adapted for front wheel drive vehicles and for a variety of other vehicles and equipment.