Turbine Guide Bearings

SXL

Box320x190_0001_SXL MGB

Thordon SXL offers the lowest coefficient of friction, superior adhesive wear performance and good resistance to wear resulting from third particle abrasion.

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GM2401

Thordon GM2401 is specially formulated to provide optimal wear resistance in abrasive-laden water conditions, routinely outwearing rubber bearings by a factor of two or more, yet, still exhibiting a significantly lower coefficient of friction compared to rubber.

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Documents

Hydro-Turbine Bearings & Seals Brochure PDF, 2.13 MB
SXL Water Lubricated Main Shaft Guide Bearings PDF, 79.75 KB Overview of Thordon's SXL Water Lubricated Turbine Guide Bearing and the benefits of Thordon's Tapered Key Design
Water Quality Package Brochure for Hydro Applications PDF, 545.05 KB Thordon's self contained pumping unit removes abrasives from river water.

Technical Papers

An Oil to Water Conversion of a Hydro Turbine Main Guide Bearing PDF, 488.62 KB An Oil to Water Conversion of Hydro Turbine Main Guide Bearing - Technical and Environmental Aspects technical paper.
Reducing Maintenance with Water Lubricated Turbine Guide Bearings PDF, 1.59 MB
Nashua Hydro SXL Main Guide Bearing Conversion Johnson Packing PDF, 2.13 MB
Alstom Spain using Thordon MGBs Rev 1 PDF, 1.90 MB

References

Reference articles of Thordon turbine guide bearings.

Design

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.

Click here to Request a Bearing Sizing Program User Registration Number

If you have a Bearing Sizing Program User Registration Number, you can download the program here

Thordon Elastomeric Bearings Engineering Manual PDF, 4.01 MB

Videos

Thordon’s SXL turbine guide bearing with tapered keyset and SXL radial shaft seal assembly provides a fully integrated solution, engineered for the application and entirely free of oil and grease for environmental compliance.

A short 13min film highlighting the process of converting a hydro-turbine main shaft guide bearing from an oil lubricated system to water.

Thordon SXL Bearing being squished or compressed in a hydraulic press.

Thordon SXL is a cross-linked elastomeric polymer alloy bearing with properties that provide resilience, toughness, and material memory in the marine, clean power, pump and industrial applications. This video tests the limits of how tough and resilient Thordon SXL really is. Try these easy tests with other bearing materials and see what happens.

Thordon SXL segmented axial and radial seals last longer and reduce life-cycle costs compared to carbon graphite seals. This video shows why Thordon SXL is so much easier to handle and install compared to carbon graphite.

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Hydro Power
Ryan Edmonds

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Our Newsletter

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Read our most recent newsletter

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.
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Recent Hydro Power News

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Thordon Bearings Supplies Brake Cups for Hydro-Québec’s Overhaul Program

Jul 22, 2024

Thordon Bearings’ brake cups are being supplied to Hydro-Québec, the largest hydro power company in Canada, as part of a decade-long turbine brake system overhaul program. The Burlington-based bearing and seal specialist is providing the brake cups to its Canadian distributor RMH Industries, an integrated company specializing in mechanical and hydraulic repair and machining of oversized parts. RMH Industries has been manufacturing and repairing brake blocks for Hydro-Québec since 2020.
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Giant Lift Irrigation Project in South India to Benefit From Thordon’s Shaft Seal Expertise

Mar 11, 2024

Canadian manufacturer, Thordon Bearings is playing a vital role in providing water to arid regions, with the installation of axial shaft seals and filtration systems to the world’s largest irrigation project in south central India.
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