ThorPlas-Blue

Wicket Gate / Linkage / Operating Ring Bearings

 

SXL axial seal low res
SXL axial seal low res
SXL axial seal low res

ThorPlas-Blue is a homogeneous, self-lubricating engineered thermoplastic bearing capable of withstanding operating pressures up to 45 MPa (6,527 psi) installed in a full-form, interference-fit configuration. It is an engineered thermoplastic offering very low wear in non-abrasive environments with several tests showing low friction and low wear.

Thordon wicket gate, operating mechanism and linkage bearings operate wet or dry and eliminate the cost, maintenance and pollution risk associated with greased bearings.

  • Self-lubricating to ensure performance in limited-motion applications
  • No galling from edge loading caused by minor misalignments or gate deflections
  • Can be machined on site to accommodate dimensional inconsistencies and avoid replacement parts
  • Quick stock and custom delivery to meet demanding rehabilitation schedules
All Thordon bearings can be easily machined and sized to final dimensions on-site prior to installation or easily line bored after installation to correct misalignment and dimensional inconsistencies encountered during turbine rehabilitation.

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Documents


Technical Papers


References

Reference article of Thordon segmented shaft seals.


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


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Our Newsletter

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  • ThordonNewsWorks_Hydro24-social

    Thordon Hydro NewsWorks 2024

    Thordon’s web-based newsletter specifically developed for hydro and clean power users of oil-free and grease-free bearings. This issue features stories about a turbine refurbishment that included a full set of wicket gate bearings for Ontario Power Generation (OPG), brake cups supplied for Hydro-Québec’s overhaul program, and an innovative tidal power project in Europe. Additional highlights include Thordon’s expanding presence in the European hydropower market, advancements in Vietnam’s hydropower sector, and maintenance-reducing water-lubricated bearing conversions in Spain.
    Learn More

Recent Hydro Power News

View All Recent News

  • ThordonNews-Progreen-social

    Thordon Bearings Appoints Progreen as Exclusive Distributor in Azerbaijan

    Aug 18, 2025
    The formal arrangement strengthens Thordon's strategic presence across the Caspian region and marks another important step in delivering its high performance bearing and seal solutions to key sectors including marine, hydro power, and industrial markets. Progreen, a growing engineering services company led by brothers Ravil and Akhad Saidov, has extensive experience in polymer coatings, pump services, wastewater treatment and in offering technical repairs across a range of heavy industries in Azerbaijan.
    Learn More
  • Thordon SXL segmented shaft seal installed in Argentina

    Thordon Debuts SXL Water-Lubricated Turbine Guide Bearings in Argentina

    Jan 20, 2025
    In a first for its Latin American operations, Thordon Bearings has supplied a water-lubricated SXL turbine guide bearing and segmented shaft seal to state-owned power company Empresa Provincial De Energía de Córdoba (EPEC) in Argentina.
    Learn More

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