PNF PNQ PND Disc Coupling

The Stromag Periflex Shaft Coupling is a Highly-Flexible rubber / fabric tyre type coupling.
Due to the unique design of this coupling, the Periflex Shaft Coupling can overcome extreme offsets with low transmittable forces, and without suffering any wear.
It can be mounted and dismantled radially without the necessity of moving the connected machines.

PNF and PNQ for horizontal motions only.

PND with lugs, compulsory for hoisting.




  • Steel Industry
  • Offshore
  • Nuclear Power Plant
  • Hydropower Plant
  • General Machinery
  • Mining and Conveyors
  • Bridge and Dam
  • Crane and Hoist


  • Flexible disc coupling
  • Ventilated disc
  • Disc thickness 30mm
  • Replacement of the rubber element without moving back the machines
  • Working temperature : -20°C to +80°C


  • Long hub
  • Steel disc


Technical Specifications

  • Diameter: 315mm up to 795mm
  • torque: 900N.m up to 45000N.m
  • Type of Coupling: Flexible
  • Stromag France - Industrial Caliper & Drum Brakes (SIME Brakes)
    Avenue de l’Europe
    F-18150 La Guerche sur l’Aubois
We are now a part of Regal Rexnord.