How COMPAC Stern Tube Bearing System Can Prevent Oil Pollution?
Water-lubricated stern tube bearing - experimental and theoretical investigations of thermal effects - ScienceDirect
Stern Tube Seals – Oil & Water - Falck Formco
Stern Tube System - Eco Bearings - Environmentally friendly bearing systems
Thordon Bearings Retrofitting Ocean-Going Vessels With Seawater-Lubricated Propeller Shaft Bearings To Reduce Stern-Tube Oil Pollution; Annual Leaks Estimated at About 2x Exxon Valdez Spill - Green Car Congress