Decrease Equipment Downtime by Protecting Against Stray Shaft Currents

Improve the reliability of VFD-driven motors and coupled equipment. Protect bearings from harmful stray shaft currents with the Inpro/Seal CDR®, the next generation of shaft grounding technology.

Motor with clip-on Smart CDR shaft grounding solution

To learn more, watch the Inpro/Seal Shaft Grounding video.

Smart CDR shaft grounding solution engineering drawing

Technical Data

  • Standard Material – Bearing Bronze
  • Axial Movement – 0.13 mm (0.005 in.)
  • Radial Movement – 0.64 mm (0.025 in.)
  • Temperature Range – -65°C (-85°F) to 232°C (450°F)
  • Speed – 10,000 sfpm
  • Standard Overall Length – 8.98 mm (0.350 in.)
  • Shaft Size – 15.88 mm (0.625 in.) to 508 mm (20.000 in.)

Consult an Inpro/Seal representative for operating conditions outside of limits shown.

Motor with Current Diverter Ring (CDR) installed with flex bracket

Mounting Configurations

Equipment designs are all unique. Therefore, we offer multiple mounting configurations to provide easy installation to fit your equipment, requiring no need for equipment modifications.

  • Press-In
  • Clip-On
  • Side-Mount
  • Epoxy
  • Bolt-Through
  • Flexbracket

Same-Day Shipments

Inpro/Seal is committed to making sure you have the right technology, right when you need it. We know that time is money. That’s why we offer same-day shipments on Shaft Grounding solutions, even new and custom designs. If you require same-day shipments on Inpro/Seal Shaft Grounding solutions, contact your local Inpro/Seal Representative.

Same day shipment paperwork

Additional Shaft Grounding Solutions

To increase reliability on VFD-driven equipment, check out our additional Shaft Grounding solutions:



Premium shaft grounding combined with Bearing Isolator technology for severe-duty applications.

Smart Ground Monitor

A condition monitoring system that provides instant feedback on shaft grounding performance.

Ready to Get Started?

Count on us to improve VFD-driven equipment reliability by diverting harmful shaft currents to ground, away from the bearings. Our Shaft Grounding solutions combine proven technology with innovative features to ensure superior bearing protection.

Shop Now Contact Your Rep