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Rus Eng

Propeller Shaft Bearings


Thordon Propeller Shaft Bearings

Thordon propeller shaft bearings are available in four different grades and multiple configurations to offer the optimal bearing solution for each owner’s specific application and technical requirements.  Open seawater lubricated bearing options include Thordon COMPAC, RiverTough, SXL, and XL.

With over 35 years of experience, Thordon has solid references in over 2,000 marine propeller shaft bearing applications.  Whether your bearing needs are for repair, conversion, or newbuild, Thordon propeller shaft bearings and bearing systems deliver proven, reliable, cost-effective performance.

Thordon COMPAC Propeller Shaft Bearings

Thordon COMPAC is a high performance water lubricated bearing system primarily for “blue water” operating conditions.  Specially formulated with a low coefficient of friction to reduce startup friction and eliminate stick-slip, COMPAC is designed to promote early formation of a hydrodynamic film at lower shaft speeds.  The lower (loaded) portion of the bearing is smooth, while the upper half has water grooves to lubricate and cool the bearing.


Thordon RiverTough Propeller Shaft Bearings

Thordon RiverTough bearings are specially formulated to provide longer wear life in highly abrasive and dirty water conditions, such as river boat propeller shafts and suction cutter head bearings on dredges.  RiverTough has proven to last at least twice as long as rubber bearings in extreme environments.

Thordon SXL Propeller Shaft Bearings

Thordon SXL offers a lower coefficient of friction for lower break-away torque and smoother operation at lower shaft speed, increased resistance to third particle abrasive wear, and longer wear life compared to XL.

Thordon XL Propeller Shaft Bearings

Our traditional propeller shaft bearing grade, Thordon XL is a general purpose bearing offering superior performance compared to many other bearings commonly used in propeller shaft applications.  XL provides long wear life, a low coefficient of friction, reasonable abrasion resistance, and cost effectiveness.