Rudder Bearings

SXL Rudder Bearings

15-Year Rudder Bearing Guarantee for Newbuilds
SXL Rudder Carrier Bearing

Thordon SXL self-lubricating rudder bearings eliminate grease for all rudder bearing applications above and below the waterline. Reliability, long wear life and superior customer service have made Thordon the first choice in pollution free rudder bearing applications for over 25 years with an impressive reference list of over 4000 vessels. 

With a worldwide distribution network Thordon rudder bearings can be delivered fast to any ship repair facility in the world.

Thordon SXL rudder bearings offer low friction, operating pressures up to 12 N/mm2 (1740 psi) and the complete elimination of grease and greasing systems removing any risk of pollution. Thordon SXL can also withstand high shock loads and edge loading.

Thordon self lubricating rudder stock seals provide exceptional wear life, completing the rudder bearing package.

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Thordon Bearings Sizing Calculation Program

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 without a User Registration Number.
Once you have a User Registration Number you can download the Program below and enter it when prompted.

Step 1 - Register:
Click here to Request a Bearing Sizing Program User Registration Number

Step 2 - Download:
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_NWWB21

    Thordon Workboat NewsWorks 2021

    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 that highlight our successes in the Workboat industry with TG100 shaft seals, RiverTough tailshaft bearings, and other pollution-free Thordon products on the US Inland Waterways, Latin America and around the world.
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Recent Marine News

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  • ThordonNews-Jun1223-thumb

    Thordon Seawater-Lubricated Tailshaft Bearings Selected for SUMED Pipeline Service Boats

    Jun 26, 2023
    Egypt’s SUMED pipeline operator Arab Petroleum Pipeline Company (SUMED) has completed the tailshaft conversion to Thordon’s SXL seawater-lubricated bearing system for seven special purpose single point mooring (SPM) service boats. The final in a series of 17.5m (57.4ft) long, 1976–built service boats had its original oil-lubricated tailshaft bearings replaced with the Thordon system at Nefertiti Marine’s Yard-K, in Rosetta Nile, in December 2022. The first vessel, SUMED 10, was converted in 2019.
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  • ThordonNews-Jun6523-thumb

    Thordon Tailshaft Package Selected After Competitor Solution Wears NIRSA Down

    Jun 13, 2023
    Ecuador’s foremost tuna fishing operator NIRSA has completed a project to convert the tailshaft seals and bearings aboard the 1973-built tuna vessel BP EL Marquez to a seawater-lubricated package from Thordon Bearings. In total, four Thordon SXL propeller shaft bearings and a pair of TG100 mechanical shaft seals, each of which features Thordon’s emergency-safe-return-to-port (SRTP) capability, replaced a competitor’s seawater-lubricated bearings and stuffing box after the shaft had suffered early wear due to gland packing. Bronze shaft liners were also included in the Thordon scope of supply in what marked a significant retrofit project that required the renewal of shafts, sterntubes, seals and bearings.
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