in its bronze sleeve for a white metal lined cast iron (or sometimes bronze) bush. oil retention and exclusion of sea water necessitated the fitting of an external face type seal. ...... water lubricated stern tube the traditional stern bearing is water-lubricated and consists of a number of lignum...
in its bronze sleeve for a white metal lined cast iron (or sometimes bronze) bush. oil retention and exclusion of sea water necessitated the fitting of an external face type seal. ...... water lubricated stern tube the traditional stern bearing is water-lubricated and consists of a number of lignum...