Polymer Hidrax® Bearings
Polymer-lined tilt pad thrust bearings like the Hidrax bearing from Waukesha are the standard for ESP operating temperatures up to 200°C (392°F) and loads up to 8 MPa (1160 psi). They are widely used in both the seal/protector section and the motor of ESPs.
The high temperature and load capabilities of the engineered polymer lining are complemented by the tilt pad design’s tolerance for misalignment and ability to accommodate a wide range of loads and speeds.
As an additional benefit in the motor, the polymer provides electrical insulation, protecting the bearings from stray currents without a separate insulating layer between the bearing and housing.
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