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Keyless Locking Assemblies RECCA 20


Feaures of  Keyless locking assemblies Recca 20

Recca keyless locking assemblies offers the latest power in transmission connection technology.

Keyless Locking Assemblies Features RECCA 20
Self-centering Y
Not self-centering  
Min. radial dimensions Y
Rapid maintenance and assembly Y
Medium-to-low torque Y
Medium-to-high torque  
High torque  
Self-locking Y
Non self-locking  
Shaft install tolerance H8
Hub install tolerance H8

Recca  Keyless locking assemblies have a number of advantages:

  • Easy installation – the connection of the hub to the shaft is very simple and only requires a torque wrench.
  • Easy disassembly – Easy Requires a simple release by tightening the screw in the jack hole.
  • Simplified Manufacturing – Bores hubs in parallel to tolerances of H8 and up to H11 in some sizes.
  • Low cost assembly – Eliminates expensive machining of splines, keyways and setscrews.
  • Long fatigue life – Eliminates keys, which prevents failure due to rubbing or notching initiated cracks under torsional loads.
  • No axial positioning required – Hubs can be placed anywhere on the shaft and locked to withstand high axial loads.
  • High torque transmission – Most series will transmit torque equal to the shaft capacity and are a good choice for high torque transmission.Higher torque clamping elements can be combined in one shaft/hub connections.
  • Small Diameter Shafts – Eliminating the keyway often allows smaller diameter shafts to be used in many applications.
  • Wear free – no moving parts means no wear. Shaft clamping elements can be frequency of tightening and loosening is not subject to wear.
  • Less maintenance – when properly assembled, the shaft clamping element requires no maintenance. Self locking action of most designs ensures that the torque is transmitted even when the screw is locked.The screws should vibrate loose during use.
  • True operation – Evenly distributed friction locking ensures no backlash and high concentricity.
  • Shaft remains unmarked – The shaft clamping element does not leave any markings on the shaft, ensuring easy handling during use.
  • Timing of the drive – Simple clamping and releasing allows for stepless angular positioning.
  • Overload protection – If the design load is exceeded, the clamping element will slip on the shaft, providing additional protection to other machining components.
  • Contamination Resistance – When fully clamped, the contact surfaces are pressed tightly together to prevent contamination.
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