Other Dredger Applications

Thordon bearings provides pollution-free, low maintenance and long lasting solutions for dredge bearing applications. Our clean, low-friction, easily machined polymers offer outstanding wear life. They eliminate grease or oil while reducing downtime and lower maintenance costs.

Thordon Bearings designs and manufactures a complete line of grease and oil-free that can be used on other dredge applications:  

  • Ladder drive bearings 
  • Ladder trunion bearings
  • Ladder wire rope sheave bearings
  • Pipe support swivels
  • Spud housing bushes
  • Pump bearings

Documents

 

References

References articles of Thordon commercial Propeller shaft bearings in blue water operation


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


  • News Thumbnails 320x160_NW19-Mar

    Thordon Marine NewsWorks 2019

    Thordon’s web-based newsletter specifically developed for marine users of oil-free and grease-free bearings. This newsletter includes feature articles about our Lifetime wearlife guarantee on COMPAC propeller shaft bearings, our continued success on Viking Cruise ships, our accomplishments with COMPAC and SeaThigor on Canadian Coast Guard vessels, the Elmer A. Sperry Award as well as other awards Thordon received for our innovative products.
    Learn More

Recent Marine News


  • ThordonNews-Dec1-thumb

    Thordon's Dredger References Grow with New Orders from Suez Canal Authority

    Dec 02, 2020
    The Suez Canal Authority (SCA) has replaced the rubber cutterhead bearings on the 102m (335ft) dredger Mahmoud Younis with a water-lubricated Composite bearing from Thordon Bearings. The retrofit, which took place at the Port Said Shipyard’s floating drydock, follows the success of a similar installation aboard CSD Mashhour, the largest dredger in the SCA fleet. Its rubber cutterhead bearings were replaced last year, providing the first Thordon installation with the Authority.
    Learn More
  • ThordonNews-Oct2-thumb

    NMDC Completes Umm Al Anber Refurbishment with Thordon Composite

    Oct 06, 2020
    Umm Al Anber, a 72m (236ft) heavy duty cutter suction dredger operated by Abu Dhabi-based National Marine Dredging Company (NMDC) has completed the refurbishment of its cutterhead shaft bearings as part of an extensive refit at Dubai Maritime City. Thordon Bearings’ Dubai-based distributor for the Middle East, Ocean Power International LLC (OPI), replaced the cutterhead and intermediate line shaft bearings like-for-like with Thordon’s water-lubricated Composite system. The turnkey project included shaft dismantlement, laser alignment, in-situ line boring, calibration, installation and commissioning.
    Learn More