PROVEN PERFORMANCE
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WITH OPEN SEAWATER LUBRICATED PROPELLER SHAFTS

Learn More - Seawater-Lubricated Shaft Reliability

Propeller Shaft Bearing Systems

Complete Prop Shaft System

Propeller Shaft Bearings

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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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. 

Installed XL bearing

XL

Our traditional standard propeller shaft bearing grade, Thordon XL is a general purpose bearing offering superior performance compared to other bearings commonly used in propeller shaft applications. XL provides good balance between long wear life, low coefficient of friction, reasonable abrasion resistance and cost effectiveness. 

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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.  

Shaft Coating

Water Quality Package

Bearing Condition Monitoring System

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

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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Bearing Condition Monitoring (BCMv2)

BCMv2 & BCM-W

The Thordon Bearing Condition Monitoring system provides a one-touch, remote indication of current bearing clearance. The system comes in both wired and wireless versions that support the Classification Societies’ requirements for condition monitoring of marine vessel bearing wear inspection. By enabling continuous, real-time data, the BCM can empower ship operators to enhance operational efficiency and reduce costs.

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Shaft Seals

 

“Spills always come at times when you do not need them, and they must be resolved as soon as possible. Prior to the switch to these seawater lubricated bearings, Flinter, like others, had been fined for oil pollution, especially in U.S. ports.”


– Martijn Berends, Newbuildings Manager, Flinter Management BV, Netherland


Documents

Technical Papers


References


Class Society Requirements For Extended Shaft Withdrawals

Design

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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


Videos

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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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