RPB-F-3500-01 - The Tides Marine RPB Type F Rudder Port Bearing for 3 1/2 Inch Rudder Stock.
is designed to be installed in rudder tubes which have been laminated or welded into a vessel’s hull. The unit consists of a one-piece UHMW housing with a nitrile lip seal. It eliminates metal-to-metal contact and the associated problems of abrasion, electrolysis and corrosion.
It is 100% water tight and eliminates chatter and vibration, resulting in a quieter, smoother operation.