Performance and Reliability

Electric power generation facilities face many challenges. Facility operators are concerned with fuel costs, environmental impact, increased power density requirements and operational flexibility, all of which lead to challenges for rotor-bearing systems. Machine designers seek bearing solutions that surpass these challenges without sacrificing performance, and Waukesha Bearings delivers.

Waukesha Bearings hydrodynamic fluid film bearings and magnetic bearing systems can be found in a wide variety of fossil-fuel and nuclear applications – combustion turbines, steam turbines, reactor coolant pumps, boiler feedwater pumps, nuclear ancillary blowers, and turbo-generators, to name a few.

Regardless of the application, Waukesha Bearings has the products, knowledge and engineering expertise to help customers in power generation increase performance, improve machine reliability and maximize profit.

Journal Bearings

Waukesha Bearings custom engineers tilt pad and fixed profile journal bearings to specific operating conditions. Expert application of specialized design features ensures our bearings transfer radial loads with minimum power loss and optimum dynamic characteristics.

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Thrust Bearings

Waukesha Bearings offers fixed profile thrust bearings for lightly loaded applications, and advanced tilting pad solutions for more demanding operating conditions. Tilt pad designs may be non-equalizing or self-equalizing, and patented design features can address industry-wide challenges such as axial vibration.

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Polymer Bearing Surfaces

High-performance polymer materials, combined with an optimized bearing design, can allow continuous operation under high loads and temperatures, low-viscosity fluids and adverse conditions. Polymer materials have operating temperature capabilities of up to 250°C (482°F), compared to 130°C (266°F) for babbitt.

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Maxalign® Journal Bearings

Optimized for large-frame turbomachinery (shaft sizes 300 mm [11.8″] and up), Maxalign bearings provide superior dynamic alignment and reduce power loss. Central to the design is a patented ball and socket pivot support.

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Case Study

When Alstom Power identified a phenomenon of spiral vibration close to the trip level on a 450 MVa hydrogen-cooled generator, our proprietary predictive tools and extensive industry experience on equipment of this size made Waukesha the clear choice to design and manufacture a drop-in bearing replacement.

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Increase Dynamic Stability

Control vibrations and shift critical speeds with ISFD® technology, an integral squeeze film damper. The ISFD design is an industry-leading vibration solution, providing highly engineered damping and stiffness.

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Case Study

For a power generation customer in Scandinavia, Doosan Škoda Power engineered a 46 MW steam turbine as part of a combined cycle system. When high subsynchronous vibrations forced a trip in turbine operation at just 27 MW versus the rated 46 MW, the ISFD design provided rotordynamic stability needed to achieve full power output.

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‘Directed Lubrication’

Minimize power loss and increase load capacity with  ‘Directed Lubrication’, an industry standard for improved bearing performance. ‘Directed Lubrication’ is available on tilt pad thrust and journal bearings.

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Brush Seals

Minimize leakage gaps and increase operational efficiencies in gas and steam turbines with patented brush seals from the aerospace industry. The compliancy of a brush seal allows sealing clearances to be significantly reduced, while its low profile allows simple integration with labyrinth seals.

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Active Magnetic Bearings

Waukesha leads the industry in custom-engineered magnetic bearing systems for large turbomachinery and high-performing rotating equipment. Our advanced systems provide extremely high reliability and availability in even the most challenging environments.

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Typical Applications