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Protorque HRC Couplings

Protorque HRC couplings are heavy‑duty, flexible shaft couplings designed for reliable torque transmission and effective shock absorption in demanding industrial applications. Combining robust cast iron hubs with a flexible rubber element, they provide a proven solution for connecting motors to pumps, gearboxes, conveyors, and other driven equipment.

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1-20 of 32 products
1-20 of 32 products
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Key features and benefits

  • Heavy‑duty HRC design for robust, general‑purpose power transmission
  • Flexible rubber element for shock absorption and vibration damping
  • Compensates for angular, parallel, and axial misalignment within defined limits
  • Simple, clamp‑type hub options for fast installation and easy maintenance
  • Available in a wide range of sizes and bore options to suit standard shaft dimensions
  • Ideal for pumps, gearboxes, fans, compressors, conveyors, and other industrial drives

Choose Protorque HRC couplings when you need a tough, easy‑to‑fit coupling that delivers dependable performance and protects your equipment in everyday and heavy‑duty applications.

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Group/Size

  • 70 (4)
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Diameter

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Hub diameter

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Type

  • NR (8)
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Material

  • Cast Iron (24)
  • Nitrile Rubber (8)

Component

  • Hub (24)
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Bore Profile

  • Tapered bore (16)
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