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All Categories > Friction Type Torque Limiters > Model 1FC Friction Torque Limiters > P/N 1FC-1/2-3520-OK  
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P/N 1FC-1/2-3520-OK, Model 1FC Friction Torque Limiters

Protek-Sure Friction Torque Limiter with a 1/2" bore built with a 35 Pitch 20 tooth Sprocket ready to set torque, install, and run for OK Machinery.


Product Group/Model

Model 1FC

Torque (Max)

1 spring=25 ft-lbs
2 springs=50 ft-lbs

Bore Size A


Output Drive

35A20 sprocket

Keyway for Bore Sizes

1/8" Option


2 Inch


2.59 Inch

Design Speed Range

Up to 1800 rpm


  • Hard and Soft Metric
  • English to Metric
  • Specific Space Constraints
  • FDA Standards
  • Government/Military Standards
  • Material Requirements
  • Customer Design Requirements

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