Precision Couplings

R+W offer state-of-the-art backlash-free products for any precision application.

Precision Couplings

Metal Bellows Couplings BK Range

0.1 – 100,000 Nm

  • Torsionally stiff
  • Low moment of inertia
  • Zero backlash
  • Highly concentric
  • Naturally very well balanced
  • Precise transmission
  • Infinite life
  • Wear and maintenance free
  • Easy to install

Servomax Elastomer Couplings

5 – 2,150 Nm

  • Vibration damping
  • Electrically isolating
  • Backlash-free
  • Calibrated pre-loaded insert
  • Concentrically machined hubs

Servo Disc Pack Couplings

25 – 100Nm

  • Low inertia
  • High torsional stiffness
  • Backlash free
  • Low imbalance
  • Disc packs: highly elastic spring steel
  • Hubs and spacer: aluminium

SK Torque Limiters

0.1 – 2,800 Nm

  • Protects from rotating inertia as well as motor torque
  • Precise torque overload protection
  • Patented preload for zero backlash
  • Compact simple design
  • Low moment of inertia
  • Extremely fast disengagement
  • Low residual friction after disengagement

Line Shafts

10 – 25,000 Nm

  • Installation and removal without disturbing adjacent equipment
  • Self-supporting up to 6 meters
  • No intermediate support bearing required

Miniature Bellows Couplings

0.05 – 10 Nm

  • Zero backlash
  • Torsionally stiff
  • Precise transmission
  • Infinite life
  • Easy to install