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-NewsWorks2019-1

    Thordon Hydro NewsWorks 2019

    Thordon’s web-based newsletter specifically developed for hydro and clean power users of oil-free and grease-free bearings. This newsletter includes feature articles about multiple successful turbine guide bearing conversions, T-G DNALOP purchasing a small hydro power plant in Poland, and a recent success of Thordon installed in a tidal energy application.
    Learn More

Recent Marine News


  • News-Thumbnails-320x160_Composite

    NMDC to Complete Fleet-Wide Conversion to Thordon Seawater Lubricated Composite Cutter Shaft Bearings

    Nov 12, 2019
    The National Marine Dredging Company has replaced the rubber cutter shaft bearings on the 89m dredger Al Khatem, marking a step closer to the Abu Dhabi-based dredging company’s fleet-wide conversion to Thordon Bearings’ seawater lubricated Composite cutterhead bearings and cutterhead intermediate lineshaft bearings. The 1979-built Al Khatem is the latest heavy-duty cutter suction dredger NDMC has converted to the Thordon solution, following the success of similar conversions to the Al Sadr, Al Mirfa, Al Hamra, Umm Al Zemoul, Umm Al Anber and the beaver Dredge 2.
    Learn More
  • Thumbnails 320x160_0003_biodegradable_lubricant

    Biodegradable EALs Under the Spotlight As More Sterntube Bearings Fail

    Jan 24, 2018
    Thordon Bearings has welcomed an industry initiative to evaluate the effect of biodegradable lubricants on sterntube bearings following a reported marked increase in sealed oil lubricated propeller shaft bearing failures.
    Learn More