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
Ship Offshore

COMPAC bearings with key
slots for fixed key

Ship Offshore bearings

Thordon COMPAC bearings

COMPAC bearings fitted to Citadel Ferussmit

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

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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Shaft Coating

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

WQP SS r

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

approval-tb-bearing-size-icon

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_NW23-MF

    Thordon Merchant Fleet NewsWorks 2023

    Thordon’s web-based newsletter specifically developed for marine users of oil-free and grease-free bearings in the merchant marine sector. This newsletter includes articles that highlight our successes on tankers, bulk cargo carriers, ferries, and cruise ships with COMPAC seawater-lubricated propeller shaft bearings, and ThorPlas-Blue deck equipment installed and used around the world. We also introduce Thordon’s new BlueWater Seal and highlight the largest rudder bearing Thordon has ever produced.
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Recent Marine News

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  • Orkim Sapphire fitted with COMPAC

    Orkim Takes to the Water with Five Product Tankers Fitted with COMPAC

    Jul 12, 2021
    China’s Fujian Southeast Shipyard has delivered four in a series of five new product tankers ordered by Malaysia’s Orkim Sdn Bhd. The 9000dwt Orkim Sapphire and Orkim Pearl, and 14,500dwt Orkim Diamond and Orkim Emerald represent the first vessels in the ship operator’s fleet to be fitted with a COMPAC seawater lubricated shafting system from Thordon Bearings.
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  • COSCO Vessel fitted with COMPAC bearings

    COSCO Confirms Thordon Seawater Lubrication for Eight Newbuild General Cargo Ships

    Jun 15, 2021
    COSCO Shipping Specialized Carriers, a subsidiary of China Ocean Shipping Group (COSCO), COSCO Shipping Lines, has confirmed that the eight newbuild multipurpose cargo vessels entrusted to COSCO Shipping Heavy Industry (Dalian) Co. Ltd. will each feature a COMPAC seawater lubricated shaftline arrangement from Thordon Bearings. The scope of supply, to be rolled out in two four-ship batches scheduled for August 2021 and December 2022, includes COMPAC propeller shaft bearings, shaft liners, ThorShield shaft coating, and Thordon’s Water Quality Package.
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