This invention is to minimise if not to prevent any liquid or foreign debris from entering the wheel bearings of a boat trailer, trailers or any other wheel hub on a stub axel. This marine hub seal housing can be applied to new and existing trailers to extend the life of a wheel bearings inside a hub.

摘要

Abstract A wheel hub with the axel sealed inside via an internal cylindrical housing with a three stage seal to prevent all foreign debris from entering the wheel bearings. This housing is welded to an axel. The threaded dust cap with O-ring seal screws onto the front of the wheel hub to seal it. Figure 5 -- -----