Propeller Shaft Bearing Systems


Complete Prop Shaft System

Propeller Shaft Bearings

propeller-shaft-compaq

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. 

Shaft Coating

Water Quality Package

Shaft Seals

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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WQP SS r

Water Quality Package

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

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Thordon_TG100

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




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



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Our Newsletter

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  • News Thumbnails 320x160_NW19-WB

    Thordon Workboat NewsWorks 2019

    Thordon’s web-based newsletter specifically developed for marine users of oil-free and grease-free bearings in the workboat sector. This newsletter includes feature articles highlighting our successes in the Workboat industry with RiverTough tailshaft bearings and TG100 shaft seals in both US Inland Waterways and around the world.
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Recent Marine News

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  • ThordonNews-Oct13-thumb

    Thordon Webinar Success Opens Door to Mexico's Tuna Fishing Vessel Market

    Oct 19, 2020
    A series of well-attended webinar conferences broadcast during the first Covid lockdown has resulted in Thordon Bearings securing a contract from a Mexican fishing vessel operator. Thordon’s SXL rudder bearings were installed on the 1174gt Grupomar-operated fishing vessel María Luisa at the Mexican Navy Dry Dock in Manzanillo, Mexico, marking the Canadian bearing manufacturer’s entry into Mexico’s expansive tuna fishing fleet.
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  • ThordonNews-Lankai-thumb

    Something Fishy Going On with Rubber Bearings at Low Shaft Speeds

    Sep 09, 2019
    Thordon Bearings has successfully completed the commissioning of a set of water-lubricated SXL propeller shaft bearings to what is widely considered the world’s largest all-carbon sports fisher. Four SXL bearings were retrofitted to the 39.5m (129ft) maxi sportfish yacht Lanakai in April after it was discovered that the original rubber cutlass bearings were causing a “high pitched squeal” when the shafts where turning at low RPM.
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