Shrink Discs

  • Shrink disks

Always well connected

Our shrink discs are specially designed for extremely compact hollow shafts or mounted shaft connections. The result: maximum performance of your drive. The best accessories for the best gearbox in order to achieve full performance.

Your benefits:

  • Reliable and safe transmission
  • Huge installation space reduction
  • Multiple reuse
  • High dynamism and accuracy
  • Extremely smooth-running
  • Corrosion resistant design

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We produce 80% of our core product for the global market right here in the USA, and most products ship within 10 business days. Have a rush request? Let us know what you need and when you need it. We can also help with design, sizing and application support. Your satisfaction is our top priority.
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WITTENSTEIN - North America

1249 Humbracht Circle

Bartlett, IL 60103

  • Options
  • Technical data
  • Versions and applications

Shrink disc material options:

  • Steel
  • Chemically nickel plated
  • Stainless stee

Max. transmissible torque T: 51 to 4000 Nm

Selectable load shaft diameter D: 15 to 55 mm

Recommendation for the load shaft:

Tolerance h6

Surface roughness <= Rz 10

Minimum yield strength Rp 0,2 >= 360 N/mm²

Shrink discs are suitable for the following hollow-shaft gearbox versions:

Planetary gearbox:



Right-angle gearbox:






  • Technically and geometrically matched
  • Installation space reduction
  • Reliable torque transmission
  • Simple mounting and removal
  • Backlash-free, positive connection
  • Absolutely reliable in an emergency
  • Extremely smooth-running
  • High dynamism and accuracy