Miniature Couplings MK

Please select a Miniature Bellows Coupling:
MODEL SERIES MK MK1 MK2 MK3 MK4 MK5 MK6 BKL 003 FK1
General  | Technical information | 2D and 3D download

Miniature Bellows Coupling Model MK3
with expanding shaft from 0.5-10 Nm

  • Compact and cost effective
  • For hollow shaft mounting
  • Saves assembly space and cost

Design:
On one side with a single radial clamping screw ISO 4762. On one side an expanding shaft

Temperature range:
-30°C to +120°C (3.6 F to 270 F)

Backlash:
Absolutely backlash-free.

Fit tolerance:
On the hub/shaft connection 0.01 to 0.05 mm

Service life:
The MK3 couplings are maintenance-free and have an infinite service life, if the technical ratings are not exceeded.

Material:
Bellows are made of flexible, high-grade stainless steel. The clamping hubs has an expandable shaft is made from aluminium.

Speeds:
Up to 10,000 rpm, in excess of 10,000 rpm with
balanced version.

Non-standard application:
Custom designs with varied tolerances, keyways, non-standard material and bellows are available upon request.

Technical Data:

  • rated torque from 0.5 - 10 Nm
  • shaft diameter from 3 - 24 mm
 Miniature Metal Bellow Coupling MK 3

Properties of Miniature Bellows Coupling Model MK3:

  • Compact design, conserves space while saving cost
  • Easy mounting
  • Backlash-free and torsionally rigid
  • Low moment of inertia
  • Compensates for 3-axis of misalignment

  This miniature coupling is available as ATEX version
for applications in explosive atmosphere.

Possible applications for Miniature Coupling MK3:

Encoder Applications for Miniature Metal Bellow Couplings
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