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MK2 | Miniature Bellows Coupling

With Clamping Hubs

The MK2 Miniature coupling is designed with a single radial clamping screw per hub (ISO 4762).
There is an option to make both clamping hubs completely removable. It has an operating temperature range of -30 to 110 degrees Celsius (-22 F to 230 F) and a speed rating of 10,000 RPM. Speeds in excess of 10,000 RPM are available with finely balanced version. These couplings have an infinite life, and are maintenance-free if the technical ratings are not exceeded. This is a backlash free, torsionally rigid solution that compensates for 3-axis of misalignment. It features frictional connections that utilize the clamping hubs for highly dynamic applications.
Bellows are made of highly flexible high-grade stainless steel, while the hubs are aluminum. *Non-standard application: Custom designs with varied tolerances, key-ways, non-standard material and bellows are available upon request.

MINIATURE BELLOWS COUPLING WITH
CLAMPING HUB

0.5 - 10 NM

MK2 Diagram

MK2 Series Variants

*See above picture for reference

ItemTorque(Nm)LengthFitLength(mm)I.D. H7(mm)O.D. BMomentInertia 10-3Weight(Kg)TorsionStiffnessTorque (Screw)Distance CenterLine (mm)Distance (mm)FastenersAxial(mm)Lateral(mm)Angular(deg)
MK2-50,525 | 28 | 3193-7152,6 | 2,8 | 39 | 9 | 9280 | 210 | 1700,434,53M20,4 | 0,5 | 0,60,15 | 0,2 | 0,251 | 1,5 | 2

MK2-10127 | 30 | 3393-7153 | 3,4 | 3,69 | 10 | 11510 | 380 | 3200,434,53M20,4 | 0,5 | 0,60,15 | 0,2 | 0,251 | 1,5 | 2

MK2-151,530 | 35113-8198,5 | 9,522 | 24750 | 7000,8563,5M2,50,5 | 0,70,15 | 0,21,5 | 1,5

MK2-20235 | 40 | 44133-12,72525 | 27 | 2936 | 38 | 401200 | 1300 | 12002,384M30,5 | 0,6 | 0,70,15 | 0,2 | 0,251,5 | 1,5 | 2

MK2-454,546 | 54165-1632100 | 10874 | 787000 | 50004105M40,7 | 10,2 | 0,251,5 | 2

MK2-1001050 | 60165-2440160 | 205120 | 1309050 | 88004,5155M41 | 1,20,2 | 0,31,5 | 2



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