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Eaton Airflex Expanding Clutches & Brakes Type ER

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Eaton Airflex Expanding Clutches & Brakes Type ER

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Code: ICP-1540
Brand: Eaton Airflex

Eaton Airflex Expanding Clutches & Brakes Type ER

Drum style products that when pressurized, expand radially outward forcing their friction shoes against an inner cylindrical drum surface.


  • Centrifuges

  • Core expanders

  • Laundry machines

  • Textile machines

  • Tire building machines

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Eaton Airflex Expanding Clutches & Brakes Type ER

Provides a large torque in a relatively small package. It also provides electrical isolation between connecting shafts. ER elements are used as shaft couplings or holding brakes where engagement occurs at zero speed differential between element and drum.

An ideal solution for applications where a disconnect is required without stopping the prime mover, or in which the driving equipment must be frequently withdrawn from the drive.


  • Torque Capacities* Up To: 118,000 lb·in, 13.300 Nm

  • Expanding units with neoprene facing.

  • Engagement of the element should occur when there is no speed differential between driving and driven shaft.

  • Available in ten sizes; the smallest expanding to a 3" (51mm) diameter drum, and the largest to a 24" (610mm) diameter drum. 

Standard Sizes: 

  • 3ER125, 6ER200, 8ER250, 10ER300, 12ER350, 14ER400, 16ER475, 19ER475, 21.5ER475, 24ER475

Additional Information

Additional Information

Product Type Brake
PDF Catalogue PDF Download Download
Industry Applications Centrifuges, core expanders, laundry machines, textile machines, tire building machines...
Actuation Method Pneumatic
Bore Size From 0.88" (22mm) to 3.40" (89mm)
Compares With Gummi
Max. RPM 1800
Torque Rating Up to 13.300Nm
Weight Range From 1.1lb (0.5kg) to 18lb (8.2kg)
OEM Numbers
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