Propeller Shaft Bearing Systems

Propeller Shaft Bearings

Shaft Coating

Water Quality Package

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.

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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

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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Documents

Marine Bearings for Navy and Coast Guards PDF, 154.64 KB
COMPAC Brochure PDF, 512.49 KB The COMPAC seawater lubricated propeller shaft bearing system for ships operating in blue water.
Seawater Lubricated Propeller Shaft Bearings PDF, 2.35 MB Thordon offers different propeller shaft bearings for different operating environments, depending on the abrasives in the water.
Water Quality Package Brochure PDF, 815.20 KB Thordon's self contained pumping unit removes abrasives from seawater.

References

Naval Forces Using Thordon Seawater Lubricated Propeller Shaft Bearings PDF, 1.62 MB

Design

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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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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Coast Guard Solves Shaftline Problems with Thordon Propeller Shaft Bearing System

Apr 30, 2018

The Canadian Coast Guard (CCG) has again selected Thordon Bearings’ COMPAC water lubricated propeller shaft bearing system for two icebreakers, the Pierre Radisson scheduled later this year and the Des Groseilliers scheduled to be installed in the 2020 dry dock. CCG, a long-standing customer of Thordon Bearings, decided to retrofit the award-winning COMPAC system to the 6098gt Des Groseilliers following more than 17 years’ operational experience with the Thordon solution. The new COMPAC bearings will be supplied and machined by Thordon distributor RMH Industries of Québec, Canada.
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Government Support For Thordon Bearings With “Build In Canada” Award

Dec 08, 2017

The Government of Canada has signed a procurement agreement with Thordon Bearings for the supply, installation and commissioning of two SeaThigor shaft seals for the Canadian Coast Guard vessel CCGS Hudson.
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