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R+W MK series miniature metal bellows couplings
Published Jun 29, 2011
MK range of drive couplings
MK1 series with radial set (grub) screws from 0.05-10Nm
MK2 series with clamping hub from 0.5-10Nm
MK3 series with expanding shaft from 0.05-10Nm
MK5 series with clamping hub and press fit connection from 0.5-10Nm
MK6 series with clamp hub, expanding shaft and press fit connection from 0.5-10Nm
Miniature Bellows Coupling series MK are are most suited for feedback devices such as encoders and tachogenerators. They are also suitable for small motors, including stepping and servo motors.
Torque levels range from 0.05 - 10 Nm depending on the model. Shaft sizes possible range from 1-28mm.
The MK series couplings are maintenance-free and have an infinite service life, if the tolerances are not exceeded.
The bellows are made of flexible, high-grade stainless steel. The hubs are made from aluminium.
MK4 series with radial set (grub) screws and press fit connection from 0.5-10Nm
The couplings provide completely backlash free power transfer.
RW-MK brochure
(2.5 MB)
Datasheet for MK series couplings