Zero Backlash Couplings

Zero backlash shaft couplings are available in two versions. Bellow coupling designs are for high rigidity and low inertia. Elastomer insert jaw coupling designs are for vibration absorption and applications requiring a more economical solution.

R+W Economy Bellows Couplings - BKL

R+W Economy Bellows Couplings - BKL

With a single ISO 4762 radial clamping screw per hub. Self opening clamp system optional: Loosening the clamping screw applies force to the pin, which will force the clamp into the open position for easy mounting and dismounting.

R+W Standard Bellows Couplings - BK

R+W Standard Bellows Couplings - BK

R+W Series BK Bellows Couplings provide zero backlash and high torsional rigidity, perfect for servo and other precision applications.

R+W Miniature Bellows Couplings - MK

R+W Miniature Bellows Couplings - MK

The R+W miniature metal bellows couplings featured in the MK series were developed for coupling applications with potentiometers, tachogenerators, angle encoders, and small, highly dynamic servo drives.

R+W Elastomer Insert Couplings - EK

R+W Elastomer Insert Couplings - EK

EK series provides zero backlash, several clamping styles and four different insert types providing varying degrees of torsional rigidity. These couplings are ideal for maintaining position control while absorbing shocks and vibration.

R+W Thermoplastic Couplings - TX

R+W Thermoplastic Couplings - TX

Low cost coupling with concentrically molded hubs with keyways and set screws. Most appropriate for higher volume applications.

R+W Torque Limiter - SK/ES

R+W Torque Limiter - SK/ES

R+W ball and detent torque limiters are available in coupling or pulley mount designs and feature zero backlash, high rigidity, a disengagement detection ring and multiple connection options.

R+W Lineshafts - ZA/EZ

R+W Lineshafts - ZA/EZ

R+W spacer couplings and lineshafts provide zero backlash torque transmissions over long spans, without the need for intermediate support.

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