EK6
Elastomer Coupling with conical clamping ring

1,950 - 25,000 Nm

EK6 ELASTOMER COUPLING WITH CONICAL CLAMPING RING

Specifications EK6

EK6 series 2500 4500 9500
Type (Elastomer insert)
AB
AB
AB
Rated torque (Nm)TKN
19502450
50006200
1000012500
Max. torque (Nm)TKmax
39004900
1000012400
2000025000
Overall length (mm)A177 227 282
Outside diameter (mm)B/B1160/159 225/208 285
Mounting length (mm)C70 90 112
Inside diameter range H7 (mm)D1/240-95 50-130 60-170
Inside diameter range H7 (inch) D1/21,600"-
3,700"
2,000"-
5,000"
2,400"-
6,500"
Inside diameter of elastomer (mm)DE80 110 145
Clamping screw (ISO 4762)E10x M10 10x M12 10x M16
Tightening torque of the
clamping screw (Nm)
E
60 100 160
Distance (mm)F51 66 80
Moment of inertia per Hub
(10-3 kgm2)
J1/J2
31.7 135.7 469.2
Approx. weight (kg) 15 35 73
Speed standard (min-1) 3500 3000 2000
*Speed balanced (103min-1)  10 8 6.5
CAD Portal 2500 4500 9500
2D/3D Data 

Properties

  • Design: Two coupling hubs are concentrically machined with curved jaws.
  • Tolerance: Overall clearance between shaft and hub 0.01 to 0.05 mm.
  • Material:
    • clamping hub and clamping ring: up to series 450 high strength aluminum,
series 800 and up steel
    • elastomer insert: precision molded, wear resistant, and thermally stable polymer
  • Speeds: See table below *Please contact R+W
                  ISO 2.5 balance grade available
  • Properties of Elastomer Coupling model EK6:
    • high clamping forces
    • concentrically machined hubs
    • vibration damping
    • electrically isolating
    • backlash free
    • press fit design
    • axial mounting possible