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SKN | Torque Limiter Coupling

With Clamping Hub
For Indirect Drives

The SKN is a torque limiting coupling that provides a fast, reliable disconnect between drive, and driven components at preset torque levels.
The frictional clamping connection provides for absolutely backlash free operation. Made from high strength, hardened steel, the torsionally rigid torque limiting portion delivers precise, reliable overload protection.
Clamping hubs have one radial screw (ISO 4762) and are made from aluminum up to series 500, series 800 and up are steel.
With a simple, compact design, this coupling will deliver a long maintenance free service life while operated within the technical specifications.
Once the torque limit it met, the SKN disengages within one to three milliseconds, with very low residual friction following disengagement. This is generally much faster than electronic solutions that typically have reaction times between fifteen and seventeen milliseconds.
Faster response times translate to less wear and tear on equipment, which saves on downtime and expenses.

TORQUE LIMITER WITH CLAMPING HUB
FOR INDIRECT DRIVES

5 - 1,800 NM

SKN Diagram

SKN Series Variants

*See above picture for reference

ItemLength ALength AfActRing BAct Ring BfClamp Length (mm)I.D. (mm)Pilot h7Bolt DiamFlange O.D.ThreadThread DepthMomentInertia 1Weight (kg)Length JDistance (mm)KDistance (mm)LDistance (mm)LfDistance (mm)MScrew 1Screw TqO.D. ODiameter O1Diameter O2Distance (mm)PDistance RAdj TqAdj Tq FActuation Dist
SKN-154747556213,512-224047536xM460,150,43827276,5M5849352717,52,55-10 | 8-207-151,5

SKN-30595965701614-25,44754636xM580,250,751135377,5M615554236192,510-25 | 20-408-20 | 16-301,5

SKN-60656573832016-325563726xM590,5151137399,5M84067493923,52,510-30 | 25-8010-30 | 20-40 | 30-601,7

SKN-150717392982319-406878876xM6101,61,35123941,511M1070856250302,520-70 | 45-150 | 80-18020-60 | 40-80 | 80-1501,9

SKN-2008083991172624-447585986xM6102,72512444713M1212094675532,5330-90 | 60-160 | 120-24080-140 | 130-2002,2

SKN-30084871201322630-5682981126xM8105,236154751,513M121301107565393100-200 | 150-240 | 200-320120-180 | 160-3002,2

SKN-5001011071351553035-60901101286xM8128,64921596814,5M14210121847243,5480-200 | 200-350 | 300-50050-150 | 100-300 | 250-5002,2

SKN-8001151261521773540-621001201406xM1015205,51019677518M162701349175454400-650 | 500-800 | 600-850200-400 | 450-8002,2

SKN-15001451601741874650-721251481656xM121631,51013,525829422,5M2050015711292524,5600-800 | 700-12001000-1250 | 1250-15003



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