Propeller Shaft Bearings - Belthor Systems GmbH

Belthor Systems GmbH
Contact     +49 4282508366                               
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Propeller Shaft Bearings

Thordon COMPAC

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 (Composite)

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

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

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.
Thordon TG100 Seal

The Thordon TG100 is a mechanical seal for 88mm (3.5”) to 305mm (12”) propeller shafts found in workboats, dredgers, tugs, yachts, patrol craft, and other coastal vessels operating in either clean or dirty, abrasive-laden water.
Manufactured for long wear life and reduced maintenance costs, TG100’s elastomeric bellows accept both axial and radial shaft movement and compensate for alignment issues.  Its unique emergency seal allows stand-alone operation to get you back to port safely, without damaging the seal.  The wedge “lock” design ensure the rotary face is perfectly square to the shaft.
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