Propeller Shaft Bearing Systems


Complete Prop Shaft System

Propeller Shaft Bearings

Shaft Coating

Propeller Shaft COMPAC

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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Composite Installed

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.  

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ThorShield Anti-Corrosion Shaft Coating

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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Water Quality Package

Shaft Seals

Water Quality Package

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

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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Thordon TG100 Mechanical Seal

TG100

The Thordon TG100 is a new mechanical seal designed specifically for 86mm (3.375") to 305mm (12") shaft vessels operating in either clean or abrasive-laden waters including workboats, harbor tugs, offshore supply vessels, yachts, ferries, fishing trawlers and self-propelled dredgers. 

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Documents



Technical Papers



References


Design

approval-tb-bearing-size-icon

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

You cannot run the Thordon Bearing Sizing Calculation Program Version 2017, Release 10 without a User Registration Number. Once you have a User Registration Number you can download the Program below and enter it when prompted.

Click here to Request a Bearing Sizing Program User Registration Number

If you have a Bearing Sizing Program User Registration Number, you can download the program here



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Our Newsletter

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  • News Thumbnails 320x160_NW19-Mar

    Thordon Marine NewsWorks 2019

    Thordon’s web-based newsletter specifically developed for marine users of oil-free and grease-free bearings. This newsletter includes feature articles about our Lifetime wearlife guarantee on COMPAC propeller shaft bearings, our continued success on Viking Cruise ships, our accomplishments with COMPAC and SeaThigor on Canadian Coast Guard vessels, the Elmer A. Sperry Award as well as other awards Thordon received for our innovative products.
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Recent Marine News

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  • ThordonNews-Dec1-thumb

    Thordon's Dredger References Grow with New Orders from Suez Canal Authority

    Dec 02, 2020
    The Suez Canal Authority (SCA) has replaced the rubber cutterhead bearings on the 102m (335ft) dredger Mahmoud Younis with a water-lubricated Composite bearing from Thordon Bearings. The retrofit, which took place at the Port Said Shipyard’s floating drydock, follows the success of a similar installation aboard CSD Mashhour, the largest dredger in the SCA fleet. Its rubber cutterhead bearings were replaced last year, providing the first Thordon installation with the Authority.
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  • ThordonNews-Oct2-thumb

    NMDC Completes Umm Al Anber Refurbishment with Thordon Composite

    Oct 06, 2020
    Umm Al Anber, a 72m (236ft) heavy duty cutter suction dredger operated by Abu Dhabi-based National Marine Dredging Company (NMDC) has completed the refurbishment of its cutterhead shaft bearings as part of an extensive refit at Dubai Maritime City. Thordon Bearings’ Dubai-based distributor for the Middle East, Ocean Power International LLC (OPI), replaced the cutterhead and intermediate line shaft bearings like-for-like with Thordon’s water-lubricated Composite system. The turnkey project included shaft dismantlement, laser alignment, in-situ line boring, calibration, installation and commissioning.
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