PROVEN PERFORMANCE
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WITH OPEN SEAWATER LUBRICATED PROPELLER SHAFTS

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Propeller Shaft Bearing Systems


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Propeller Shaft Bearing

Shaft Coating

Water Quality Package

Shaft Seals

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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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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WQP SS r

Water Quality Package

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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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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“One anti-pollution measure that has proved its worth is Carnival’s choice of Thordon COMPAC water-lubricated propeller shaft bearings which are, in my opinion, one of the best investments any operator can make. As well as eliminating pollution risks, they have proven to be so robust, it’s likely they will outlast many of the vessels.”


– Chris Joly, Principal Manager, Marine Engineering, Carnival Corp. (U.K.)



Documents


Technical Papers




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



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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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  • News-Thumbnails-320x160_Magic

    Cruise Sector Congratulates COMPAC on a Rite of Passage

    Apr 02, 2019
    “This year, COMPAC truly comes of age,” said Thordon Bearings’ founder and polymer bearing and seal innovator, George A. (Sandy) Thomson: “And like any 21st birthday celebration, it is not uncommon for parents to speak with glowing pride about the growth they have seen in their children over their first 21 years. For me, COMPAC has matured into a robust, well-rounded and environmentally-conscientious adult, facing an exciting and prosperous future.”
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  • News-Thumbnails-320x160_Jupiter

    Viking Jupiter Delivered with Thordon Water Lubricated Propulsion Arrangement

    Feb 25, 2019
    Viking Jupiter, the 47,800gt cruise ship built at Fincantieri’s shipyard in Ancona, Italy for Viking Cruises, has been delivered with a Thordon Bearings’ seawater-lubricated propeller shaft system. It is the sixth Viking cruise ship to be fitted out with the COMPAC bearing arrangement.
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