Spider Flexible shaft coupling



45 degree quick release shaft flexible coupling for encoder



  • Helical beam couplings each have two sets of spiral slots, a feature that provides superior parallel misalignment capabilities compared to the single beam coupling. Angular misalignment, axial motion and any combination of all three types of misalignment are also easily accommodated by this flexible coupling. beam couplings have the additional benefit of a balanced design for reduced vibration and higher RPM capabilities.
  • Helical beam couplings should be used in applications in which misalignment exists between the two shafts being coupled. The helical couplings are ideal for light duty power transmission applications such as coupling a servo motor to a lead screw in a motion control system. These flexible couplings feature larger body size and stronger beams to provide high torque capacity and very low windup, while not sacrificing misalignment capabilities. The demanding nature of reversing servo applications make the performance benefits delivered by the F-series beam couplings vital to maintaining the accuracy, repeatability and reliability of the system.
  • The flexible beam couplings are designed specifically for precision applications, such as encoders and tachometers that use delicate components. The small bearings on these components make low radial forces essential to longevity and continued high performance.


  • Include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors.
  • Used for encoder/ resolver applications, low torque pump, lead screw and various other applications.


  • Lightweight aluminum version of the industry standard shaft coupling
  • Interchangeable with L and SS line of hubs
  • Corrosion resistant (finished bores passivated for additional protection)
  • Accommodates for angular and parallel shaft misalignment
  • No metal to metal contact
  • Resistant to oil, dirt, sand, moisture, and grease

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