Propeller Shaft Bearing Systems


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Propeller Shaft Bearings

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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,

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SXL

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

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XL

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

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RiverTough

Thordon RiverTough propeller shaft bearings operating in combination with hard coated nickel-chrome-boron sleeves are specially formulated to provide superior wear life in very abrasive water conditions and have proven their ability to last at least twice as long as rubber bearings. 

Shaft Coating

Water Quality Package

Shaft Seals

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ThorShield 

Thordon's ThorShield propeller shaft coating system provides corrosion protection against seawater. This toughened, 2-part epoxy coating is up to nine times more flexible than existing shaft coating products.

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WQP SS r

Water Quality Package

The Thordon Water Quality Package is designed to supply seawater to the propeller shaft bearings for lubrication and cooling while also removing suspended solids from the seawater.

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Seal installed on Hudson low res (crop)

SeaThigor

The Thordon SeaThigor Seal is a mechanical face seal for 300mm (11.8") to 750mm (29.5") water lubricated propeller shafts found in yachts, cruise ships, merchant ships and naval vessels. The SeaThigor has evolved from a design first tested in 2003 and improved during the next decade.

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Documents

 

Technical Papers



References


Design

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The final (fully finished) sizing of a Thordon elastomer or ThorPlas bearing can be determined by using the Thordon Bearing Sizing Calculation Program.

To download the Thordon Bearing Sizing Calculation Program Version 2017, Release 10, a user registration is required.

Request Bearing Sizing Program User Registration Number

Download Bearing Sizing Calculation Program (2.2 MB) Version 2017, Release 10



Videos

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  • Thumbnails-320x160-NW2018-1

    Thordon NewsWorks 2018

    Thordon’s web-based newsletter specifically developed for marine users of oil-free and grease-free bearings. This newsletter includes feature articles about seawater being the only commercially viable EAL, new class rules, and Thordon's SeaThigor seal.
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Recent Marine News

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  • Thumbnails-320x160-COMPAC2

    Coast Guard Solves Shaftline Problems with Thordon Propeller Shaft Bearing System

    Apr 30, 2018
    The Canadian Coast Guard (CCG) has again selected Thordon Bearings’ COMPAC water lubricated propeller shaft bearing system for two icebreakers, the Pierre Radisson scheduled later this year and the Des Groseilliers scheduled to be installed in the 2020 dry dock. CCG, a long-standing customer of Thordon Bearings, decided to retrofit the award-winning COMPAC system to the 6098gt Des Groseilliers following more than 17 years’ operational experience with the Thordon solution. The new COMPAC bearings will be supplied and machined by Thordon distributor RMH Industries of Québec, Canada.
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  • Thumbnails 320x160_0034_Government Support For Thordon Bearings With  “Build In Canada” Award

    Government Support For Thordon Bearings With “Build In Canada” Award

    Dec 08, 2017
    The Government of Canada has signed a procurement agreement with Thordon Bearings for the supply, installation and commissioning of two SeaThigor shaft seals for the Canadian Coast Guard vessel CCGS Hudson.
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