shaft tube

  • Propeller Shaft Stern Tube

    Stern Tube for Ship/ Ship Stern Tube/ Marine Stern Tube for Sale The marine shaft system is a main part of the steering system for vessels. The whole shaft system includes propeller, stern tube, bearing, hydraulic coupling, middle bearing, hydraulic nut, nozzle, stern tube seal, ,tail shaft, etc. There are two kinds of lubrication systems for the stern tube: water lubrication and oil lubrication For water lubricated bearing not less than 4 x the diameter of the steel shaft. If the bearing is over 380mm diameter forced water lubrication must be used, a circulating pump or other source with water flow indicator.

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