--- title: What is Shaft Grounding? | AEGIS® Blog | Electrical Bearing Damage (2) description: Electrical Bearing Damage | 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/) - [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 Industries](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/) - [Bearing Protection](https://www.est-aegis.com/bearing-protection/) - [Shaft Voltage & Bearing Currents](https://www.est-aegis.com/bearing-protection/shaft-voltage-and-bearing-currents/) - [Fluting & Bearing Inspection](https://www.est-aegis.com/bearing-protection/fluting-and-bearing-inspection/) - [Best Practices & Installation](https://www.est-aegis.com/bearing-protection/best-practices-and-installation/) - [Resources](https://www.est-aegis.com/resources/) - [AEGIS® Bearing Protection Handbook](https://www.est-aegis.com/resources/handbook/) - [IEEE-841, Hazardous Locations, & AEGIS®](https://info.est-aegis.com/technical-codes-and-ieee-841-standards) - [Recorded Webinars Library](https://www.est-aegis.com/resources/recorded-webinars/) - [Installation Instructions](https://www.est-aegis.com/resources/installation-instructions/) - [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/) - [Request Training](https://www.est-aegis.com/resources/training/) - [Product Sheets](https://www.est-aegis.com/resources/product-sheets/) - [About](https://www.est-aegis.com/about/) - [News](https://blog.est-aegis.com/) - [Tradeshows](https://www.est-aegis.com/about/tradeshows/) - [Blog](https://blog.est-aegis.com/) - [Where to Buy](https://www.est-aegis.com/where-to-buy/) - [Distributors](https://www.est-aegis.com/where-to-buy/distributors?type=Distributor) - [Trained Installers](https://www.est-aegis.com/where-to-buy/installers?type=Installer) - [Explosion Proof Installers](https://www.est-aegis.com/where-to-buy/installers?type=Explosion%20Proof%20Installer) - [Motors & Seals with AEGIS® Installed](https://www.est-aegis.com/where-to-buy/oems-with-aegis/) [Contact Us](https://www.est-aegis.com/contact/) - [+1 866-738-1857](tel:+1%20866-738-1857) ## Posts about Electrical Bearing Damage (2):     [Home](https://www.est-aegis.com/) » Blog #   Blog [![shaft grounding for generators ](https://blog.est-aegis.com/hs-fs/hubfs/rail-cs.png?width=365&name=rail-cs.png)](https://blog.est-aegis.com/shaft-grounding-improves-electric-rail-reliability?hsLang=en-us) ## [Shaft Grounding Improves Electric Rail Reliability](https://blog.est-aegis.com/shaft-grounding-improves-electric-rail-reliability?hsLang=en-us) Like other[electric vehicles](https://www.est-aegis.com/applications/electric-vehicle-solutions/), electric trains offer [significant benefits](https://www.eesi.org/articles/view/electrification-of-u.s.-railways-pie-in-the-sky-or-realistic-goal) over petroleum-powered... [Read More](https://blog.est-aegis.com/shaft-grounding-improves-electric-rail-reliability?hsLang=en-us) [![shaft grounding for generators ](https://blog.est-aegis.com/hs-fs/hubfs/tva.jpg?width=365&name=tva.jpg)](https://blog.est-aegis.com/improving-reliability-in-power-generation-with-shaft-grounding?hsLang=en-us) ## [Improving Reliability in Power Generation with Shaft Grounding](https://blog.est-aegis.com/improving-reliability-in-power-generation-with-shaft-grounding?hsLang=en-us) Electric power is fundamental to the modern world. With increasing electrification in areas like... [Read More](https://blog.est-aegis.com/improving-reliability-in-power-generation-with-shaft-grounding?hsLang=en-us) [![Oscillograph of shaft voltage discharging through bearing](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/Pitting-Discharge-Event630px-300x238.jpg?width=365&name=Pitting-Discharge-Event630px-300x238.jpg)](https://blog.est-aegis.com/electrical-bearing-protection-qa-part-31?hsLang=en-us) ## [Electrical Bearing Protection Q&A - Part 31 Detecting Damage](https://blog.est-aegis.com/electrical-bearing-protection-qa-part-31?hsLang=en-us) Q1. Are there any widely accepted ways to quantify the degree of electrical damage a bearing has... [Read More](https://blog.est-aegis.com/electrical-bearing-protection-qa-part-31?hsLang=en-us) [![water treatment facility ](https://blog.est-aegis.com/hs-fs/hubfs/arcing-paper-calender.jpg?width=365&name=arcing-paper-calender.jpg)](https://blog.est-aegis.com/pro-rings-protect-roller-bearings-in-paper-mill?hsLang=en-us) ## [PRO Rings Protect Roller Bearings in Paper Mill](https://blog.est-aegis.com/pro-rings-protect-roller-bearings-in-paper-mill?hsLang=en-us) *Updated April 2024* We have previously written about AEGIS® Shaft Grounding Rings improving... [Read More](https://blog.est-aegis.com/pro-rings-protect-roller-bearings-in-paper-mill?hsLang=en-us) [![electrical bearing damage](https://blog.est-aegis.com/hs-fs/hubfs/vfdcable.jpg?width=365&name=vfdcable.jpg)](https://blog.est-aegis.com/electrical-bearing-protection-qa-part-23?hsLang=en-us) ## [Electrical Bearing Protection Q&A - Part 23](https://blog.est-aegis.com/electrical-bearing-protection-qa-part-23?hsLang=en-us) Q1.  How you install grounding in concrete?  I have a pump being retrofit with a new VFD. [Read More](https://blog.est-aegis.com/electrical-bearing-protection-qa-part-23?hsLang=en-us) [![Insulated bearing, with white aluminum oxide coating on outer race.](https://blog.est-aegis.com/hs-fs/hubfs/aegis18022022web.jpeg?width=365&name=aegis18022022web.jpeg)](https://blog.est-aegis.com/how-can-insulated-bearings-get-electrically-damaged?hsLang=en-us) ## [How Can Insulated Bearings Get Electrically Damaged?](https://blog.est-aegis.com/how-can-insulated-bearings-get-electrically-damaged?hsLang=en-us) A couple of months ago, we published a Q&A post including an account of electrically damaged... [Read More](https://blog.est-aegis.com/how-can-insulated-bearings-get-electrically-damaged?hsLang=en-us) [![diagnosing electrical bearing damage ](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/grease-no-longer-creamy-300x249.png?width=365&name=grease-no-longer-creamy-300x249.png)](https://blog.est-aegis.com/diagnosing-electrical-bearing-damage?hsLang=en-us) ## [Diagnosing Electrical Bearing Damage](https://blog.est-aegis.com/diagnosing-electrical-bearing-damage?hsLang=en-us) When an electric motor bearing fails prematurely, you should try to determine why it failed. If you... [Read More](https://blog.est-aegis.com/diagnosing-electrical-bearing-damage?hsLang=en-us) [![chart ](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/phase-vi-300x217-1.png?width=365&name=phase-vi-300x217-1.png)](https://blog.est-aegis.com/common-mode-filters-cant-prevent-all-electrical-bearing-damage/?hsLang=en-us) ## [Common Mode Chokes Can't Prevent (all) Electrical Bearing Damage](https://blog.est-aegis.com/common-mode-filters-cant-prevent-all-electrical-bearing-damage/?hsLang=en-us) As the problem of VFD-caused electrical bearing damage becomes better known, more electric motor... [Read More](https://blog.est-aegis.com/common-mode-filters-cant-prevent-all-electrical-bearing-damage/?hsLang=en-us) [![enhancing system reliability through vibration technology](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/sylvester-cover-203x300.png?width=365&name=sylvester-cover-203x300.png)](https://blog.est-aegis.com/a-new-technical-reference-for-condition-monitoring?hsLang=en-us) ## [A New Technical Reference for Condition Monitoring](https://blog.est-aegis.com/a-new-technical-reference-for-condition-monitoring?hsLang=en-us) *Enhancing System Reliability through Vibration Technology*, by James Sylvester, is a new manual of... 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