Protect Electric Motor Bearings with Shaft Grounding Rings

Electro Static Technology’s AEGIS®️ Shaft Grounding Rings are used in millions of motors across the globe to prevent bearing damage and failure.

Electric motors run by variable frequency drives, or VFDs, are at risk of shaft voltage that can lead to premature bearing failure. Learn how the unique design of our AEGIS® Rings free you from the frustration and expense of unnecessary downtime caused by electrical bearing damage.

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EST Aegis

The AEGIS®️ Advantage

We’ve got the resources you need to understand what causes electrical bearing damage, what solutions are needed, how to apply those solutions, and where to purchase everything you need to ensure bearing health.

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Explore our selection of grounding rings - SGRs, uKITs, and PRO Rings - to see which one fits your electric motor’s needs.

Bearing Protection Handbook

Best Practices for Electrical Bearing Protection

  • Bearing Frosting, Fluting & Inspection
  • High-frequency Bonding for VFD-fed Systems
  • VFD Induced Shaft Voltages & Bearing Currents
  • AEGIS Shaft Grounding Best Practices for AC & DC Motors
  • AEGIS Shaft Voltage Testing
  • AEGIS Selection Guide & Parts List

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Latest Blog Post

Three Types of Bearing Currents and What Causes Them

bearing current

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