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Auxiliary Bearings

Waukesha Magnetic Bearings auxiliary bearings support the rotor when the machine is stationary, accommodate overloads, and support the rotor in the event of system fault.

Auxiliary bearing options include:

  • Stator mounted ball bearings – a compact design
  • Rotor mounted ball bearings  a hybrid system 
  • Bushing type bearings  RDS® auxiliary bearings

RDS Auxiliary Bearings

Waukesha’s patented RDS (Rotor Delevitation System®) auxiliary bearing offers unmatched investment protection. The RDS is comprised of a dry lubricated bushing mounted in a stator component and a special rotor component designed to reduce and dissipate heat during contact and coast-down.

Our RDS auxiliary bearing designs offer observability of the service condition over the installed life of a machine – significantly reducing the risk of unplanned downtime. Robust and reliable, Waukesha’s proprietary auxiliary bearing technology is designed for benign failure to prevent damage to machine components in the unlikely event of system malfunction.

Watch our proprietary RDS auxiliary bearings automatically check clearances to indicate the service condition – reducing the risk of unplanned downtime.