Seawater-Lubricated Shaft Reliability
Proven Performance!

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"Water-Lubricated Shaft Reliability Proven in Cruising" article from Ship & Offshore Magazine - March 2018

Our COMPAC bearing system will last as long as an oil system and we can prove it!

Thordon has over 550 ocean-going tankers, bulkers, dry cargo, ferry, cruise and container ships equipped with COMPAC seawater lubricated propeller shaft bearings.  Two of our earlier ship references were equipped with Thordon COMPAC in 1998.  During their years of continuous service with many daily port stops, neither of the two cruise ships experienced downtime, cancellations or changes to cruise itineraries due to propeller shaft bearing or seal failure.  Bearing wear was minimal and consistent as presented in the Ship & Offshore article.   

See the proven performance charts and find out why Thordon's COMPAC system is making waves in the industry!

With the reliability demanded in your industry, using Thordon’s COMPAC seawater-lubricated system can eliminate your seal headaches and reduce your OPEX for your ships. Now is the time to get on board!

  • Substantially Lower Operating Cost than an Oil System
  • Zero Environmental Impact – no oil leakage headaches as no oil/EAL used
  • No Aft Seal Emergencies
  • Guaranteed Compliance
  • Reduced Maintenance
  • COMPAC is proven to last!  We have references on 550+ commercial vessels that use seawater lubricated shaftlines
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COMPAC bearings with key
slots for fixed key

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Thordon COMPAC bearings

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COMPAC bearings fitted to
Citadel Ferussmit



“It's a No Brainer! A seawater lubricated shaft means there is less to worry about.”


– Andy Wright, Fleet Operations Director | Technical Operations,
Holland America Group | Serving Princess Cruises


Propeller Shaft Bearing

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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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Shaft Coating

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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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Water Quality Package

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WQP

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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Shaft Seals

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


Class Society Requirements For Extended Shaft Withdrawals


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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Our Newsletter

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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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  • ThordonNews-COMPACWarehouse-thumb

    MSC Cruises Returns to Thordon to Keep the Seashore Clean

    Oct 16, 2019
    Thordon Bearings has received an order to supply a water-lubricated propeller shaft bearing solution to Fincantieri’s Monfalcone shipyard for installation to MSC Seashore, the third Seaside Class cruiseship to which Thordon’s COMPAC system has been specified. The order follows the in-service performance success of COMPAC installations aboard the 154,000gt sisters MSC Seaside and MSC Seaview, delivered in 2017 and 2018, respectively.
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  • News-Thumbnails-320x160_OilPollution

    Continued Use of Oil Lubricated Shaft Seals Counterproductive to Environmental Legislation

    Jun 20, 2019
    Media reports indicating the potential volume of lubricating oil polluting the world’s seas and oceans due to shaft seal damage or failure should send a clear message to Administrations that this frequently overlooked source of pollution needs to be quickly addressed.
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