EKH
Elastomer Coupling with split clamping hub

1,950 - 25,000 Nm

EKH ELASTOMER COUPLING WITH SPLIT CLAMPING HUB

Specifications EKH

EKH series 2500 4500 9500
Type (Elastomer insert)
AB
AB
AB
Rated torque (Nm)TKN
1,9502,450
5,0006,200
10,00012,500
Max. torque* (Nm)TKmax
3,9004,900
10,00012,400
20,00025,000
Overall length (mm)A213 272 341
Length of center section (mm)AE78 104 131
Outside diameter (mm)B160 225 290
Outside diameter with screw head (mm) BS156 199 243
Mounting length (mm)C85 113 140
Inside diameter range H7 (mm)D1/235-90 40-120 50-140
Inside diameter of elastomer (mm)D1/280 111 145
Clamping screw (ISO 4762)DE8xM16 8xM20 8xM24
Tightening torque of the clamping screw (Nm)E300 600 1100
Distance between centers (mm)E57 75 90
Distance (mm)F36 24/41 30/48
Hub length (mm)G/G1120/69 154/89 193/110
Moment of inertia per Hub
(10-3 kgm2)
H/H1
40 147 480
Approx. weight (kg)J1/J212.5 25 53
Speed standard (min-1) 3.000 3.500 2
Speed balanced (103min-1)  10 8 6.5
CAD Portal 2500 4500 9500
2D/3D Data 

Properties

  • Design:
    • both clamping hubs are fully separable due to split hubs
    • ISO 4762 clamping screws
  • Tolerance: Overall clearance between shaft and hub 0.01 to 0.05 mm.
  • Material:
    • clamping hub: 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 EKH:
    • lateral mounting possible
    • concentrically machined hubs
    • vibration damping
    • electrically isolating
    • easy mounting
    • backlash free

Overview