AEGIS® SGR Ring - Press Fit Design

Shaft Grounding Rings (SGR) for Low Voltage Motors up to 500HP

The Press Fit design can be installed as an internal and external installation and is best suited for OEM’s and motor repair shops. For an external mount, the motor end bracket is bored to a specific diameter and the ring is press fit into end bracket. For an internal mount, the ring is normally installed on the bearing cap.

Installation Instructions Where to Buy


AEGIS® SGR Press Fit Mounting

  • Design Type: AEGIS® SGR Solid Ring
  • Fits shaft diameters: 0.311" to 6.02" [7.9mm to 152.9mm]
  • Circumferential Conductive Microfiber rows in Fiberlock™ Channel
  • Rows of Fiber: 2
  • Fiber overlaps shaft
  • OAL: 0.295" [7.5mm]
  • SGR OD: Based on shaft diameter. See Parts List
  • Motor Bore: Based on shaft diameter. See Parts List
  • Internal or external mounting


  • Supply voltage: 600 VAC or less
  • AC Motors Low Voltage (LV) up to 500HP (375kW)
  • DC Motors up to 300HP (225kW)
  • NOTE: Motors over 100 HP - recommend isolation of one bearing and AEGIS® SGR on opposite bearing.

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