EKH
Elastomer Coupling with split clamping hub

1,950 - 25,000 Nm

EKH ELASTOMER COUPLING WITH SPLIT CLAMPING HUB

EKH

Specifications EKH

EKH Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B
Outside diameter with screw head (mm)BS
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Fastening screw ISO 4762E
Tightening torque of the fastening screw (Nm)E
Distance between centerlines (mm)F
Distance (mm)G/G1
Distance (mm)AE
Speed standard (min -1)
Hub length (mm)H/H1
Maximum torque* (Nm)TKmax
Overall length (mm)A
Speed balanced (103min-1)
CAD Portal
EKH Serien2500
Type (Elastomer insert)A|B
Rated torque (Nm)TKN1.950|2.450
Fit length (mm)C85
Inside diameter possible from Ø to Ø H7 (mm)
D1/235-90
Inside diameter of elastomer (mm)DE80
Outside diameter (mm)B160
Outside diameter with screw head (mm)BS156
Moment of inertia per hub (10-3 kgm2)J1/J240
Approximate weight (kg)12,5
Fastening screw ISO 4762E8xM16
Tightening torque of the fastening screw (Nm)E300
Distance between centerlines (mm)F57
Distance (mm)G/G136
Distance (mm)AE78
Speed standard (min -1)3000
Hub length (mm)H/H1120/69
Maximum torque* (Nm)TKmax3.900|4.900
Overall length (mm)A213
Speed balanced (103min-1)10 | 10
2500
CAD
EKH Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B
Outside diameter with screw head (mm)BS
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Fastening screw ISO 4762E
Tightening torque of the fastening screw (Nm)E
Distance between centerlines (mm)F
Distance (mm)G/G1
Distance (mm)AE
Speed standard (min -1)
Hub length (mm)H/H1
Maximum torque* (Nm)TKmax
Overall length (mm)A
Speed balanced (103min-1)
CAD Portal
EKH Serien4500
Type (Elastomer insert)A|B
Rated torque (Nm)TKN5.000|6.200
Fit length (mm)C113
Inside diameter possible from Ø to Ø H7 (mm)
D1/240-120
Inside diameter of elastomer (mm)DE110
Outside diameter (mm)B225
Outside diameter with screw head (mm)BS199
Moment of inertia per hub (10-3 kgm2)J1/J2147
Approximate weight (kg)25
Fastening screw ISO 4762E8xM20
Tightening torque of the fastening screw (Nm)E600
Distance between centerlines (mm)F75
Distance (mm)G/G124/41
Distance (mm)AE104
Speed standard (min -1)3500
Hub length (mm)H/H1154/89
Maximum torque* (Nm)TKmax10.000|12.400
Overall length (mm)A272
Speed balanced (103min-1)8 | 8
4500
CAD
EKH Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B
Outside diameter with screw head (mm)BS
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Fastening screw ISO 4762E
Tightening torque of the fastening screw (Nm)E
Distance between centerlines (mm)F
Distance (mm)G/G1
Distance (mm)AE
Speed standard (min -1)
Hub length (mm)H/H1
Maximum torque* (Nm)TKmax
Overall length (mm)A
Speed balanced (103min-1)
CAD Portal
EKH Serien9500
Type (Elastomer insert)A|B
Rated torque (Nm)TKN10.000|12.500
Fit length (mm)C140
Inside diameter possible from Ø to Ø H7 (mm)
D1/250-140
Inside diameter of elastomer (mm)DE145
Outside diameter (mm)B290
Outside diameter with screw head (mm)BS243
Moment of inertia per hub (10-3 kgm2)J1/J2480
Approximate weight (kg)53
Fastening screw ISO 4762E8xM24
Tightening torque of the fastening screw (Nm)E1100
Distance between centerlines (mm)F90
Distance (mm)G/G130/48
Distance (mm)AE131
Speed standard (min -1)2000
Hub length (mm)H/H1193/110
Maximum torque* (Nm)TKmax20.000|25.000
Overall length (mm)A341
Speed balanced (103min-1)6,5 | 6,5
9500
CAD

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