--- title: What is Shaft Grounding? | AEGIS® Blog | Bearing Protection (2) description: Bearing Protection | News and articles about AEGIS® Shaft Grounding Rings and other elements of electric motor reliability. (2) --- [![Electro Static Technology](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/electro-static-technology.svg "Electro Static Technology")](https://www.est-aegis.com/) [![Aegis](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/Aegis.svg "Aegis")](https://www.est-aegis.com/) - [+1 866-738-1857](tel:+1%20866-738-1857) - [Products](https://www.est-aegis.com/products/) - [AEGIS® SGR – for motors under 500 HP/375 kW](https://www.est-aegis.com/product/sgr/) - [AEGIS® uKIT – for common NEMA/IEC frame size](https://www.est-aegis.com/product/sgr-ukit/) - [AEGIS® RPPR – for reactor recirculating pumps](https://www.est-aegis.com/rppr-resources/) - [AEGIS® EV and EVO Rings - for electric vehicles](https://www.est-aegis.com/product/ev-evo-rings/) - [AEGIS® PRO Series – for motors over 300 HP/225 kW](https://www.est-aegis.com/product/pro-series/) - [Shaft Voltage Testing and Accessories](https://www.est-aegis.com/product/mounting-accessories/) - [Online Product Catalog](https://catalog.est-aegis.com/) - 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[Read More](https://blog.est-aegis.com/shaft-grounding-specification-on-the-rise-for-vfd-fed-systems?hsLang=en-us) [![](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/Picture1-e1527100456420.png?width=365&name=Picture1-e1527100456420.png)](https://blog.est-aegis.com/motor-repair-best-practices-for-vfd-driven-motors?hsLang=en-us) ## [Motor Repair Best Practices for VFD-Driven Motors](https://blog.est-aegis.com/motor-repair-best-practices-for-vfd-driven-motors?hsLang=en-us) Motors operated by variable frequency drives (VFD) are vulnerable to premature bearing failure from... [Read More](https://blog.est-aegis.com/motor-repair-best-practices-for-vfd-driven-motors?hsLang=en-us) [![Pitting Frosting and Fluting damage](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/Bearing-Damage-Labeld-240x300.jpg?width=365&name=Bearing-Damage-Labeld-240x300.jpg)](https://blog.est-aegis.com/discovering-and-preventing-bearing-current-damage?hsLang=en-us) ## [Discovering and Preventing Bearing Current Damage](https://blog.est-aegis.com/discovering-and-preventing-bearing-current-damage?hsLang=en-us) Electric motors are prone to many sources of damage, some more common and some better known. An... [Read More](https://blog.est-aegis.com/discovering-and-preventing-bearing-current-damage?hsLang=en-us) [![Marathon XRI NEMA premium Explosion proof motor](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/XRI_motor-1-Marathon-Explosion-Proof.jpg?width=365&name=XRI_motor-1-Marathon-Explosion-Proof.jpg)](https://blog.est-aegis.com/marathon-explosion-proof-motors-available-aegis-rings-factory-installed?hsLang=en-us) ## [Marathon Explosion-Proof Motors Available with AEGIS Rings Factory-Installed](https://blog.est-aegis.com/marathon-explosion-proof-motors-available-aegis-rings-factory-installed?hsLang=en-us) Marathon Electric offers the industry-leading line of **Hazardous Duty™ Division 1 Explosion Proof,...** [Read More](https://blog.est-aegis.com/marathon-explosion-proof-motors-available-aegis-rings-factory-installed?hsLang=en-us) [First](https://blog.est-aegis.com?hsLang=en-us) [Prev](https://blog.est-aegis.com?hsLang=en-us) [1](https://blog.est-aegis.com?hsLang=en-us) [2](https://blog.est-aegis.com/tag/bearing-protection/page/2) Next Last ### Subscribe To Our Blog [![Electro Static Energy](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/logo-est-alt.svg) ![AEGIS](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/logo-aegis-alt.svg)](https://www.est-aegis.com) 31 Winterbrook Road Mechanic Falls, ME 04256 Phone: [+1 207-998-5140](tel:+1%20207-998-5140) Fax: [+1 207-998-5143](fax:+1%20207-998-5143) Contact Us: [Send Message](https://www.est-aegis.com/contact/) ## Subscribe to Our Emails - [Products](https://www.est-aegis.com/products/) - [AEGIS® SGR](https://www.est-aegis.com/product/sgr/) - [AEGIS® uKIT](https://www.est-aegis.com/product/sgr-ukit/) - [AEGIS® PRO Series](https://www.est-aegis.com/product/pro-series/) - [Testing & Accessories](https://www.est-aegis.com/product/mounting-accessories/) - [Custom Static Solutions](https://www.est-aegis.com/product/custom-static-solutions/) - [Product Catalog](https://catalog.est-aegis.com/) - [AEGIS® 2-Year Extended Warranty](https://www.est-aegis.com/product/extended-warranty/) - [Applications](https://www.est-aegis.com/applications/) - [Electric Vehicle Solutions](https://www.est-aegis.com/applications/electric-vehicle-solutions/) - [Food & Beverage](https://www.est-aegis.com/applications/food-beverage/) - [HVAC](https://www.est-aegis.com/applications/hvac/) - [Industrial & Chemical](https://www.est-aegis.com/applications/industrial-chemical/) - [Other](https://www.est-aegis.com/applications/other-industries/) - [Power Generation & Renewable Energy](https://www.est-aegis.com/applications/power-generation-renewable-energy/) - [Transportation](https://www.est-aegis.com/applications/transportation/) - [Water Treatment](https://www.est-aegis.com/applications/water-treatment/) - [Resources](https://www.est-aegis.com/resources/) - [Request a Training](https://www.est-aegis.com/contact/request-a-training/) - [AEGIS® Bearing Protection Handbook](https://www.est-aegis.com/resources/handbook/) - [Videos](https://www.est-aegis.com/resources/videos/) - [Technical Papers](https://www.est-aegis.com/resources/technical-papers/) - [Case Studies](https://www.est-aegis.com/resources/case-studies/) - [Specifying AEGIS®](https://www.est-aegis.com/resources/specifying-aegis/) - [Product Sheets](https://www.est-aegis.com/resources/product-sheets/) - - - Copyright 2022 Electro Static Technology. 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