EK2
Elastomer Coupling with clamping hub

6 - 2,150 Nm

EK2 ELASTOMER COUPLING WITH CLAMPING HUB

EK2

Specifications EK2

EK2 Serien
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
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
Speed standard (min -1)
Hub length (mm)H
Maximum torque* (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK2 Serien20
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN17|21|6
Fit length (mm)C25
Inside diameter possible from Ø to Ø H7 (mm)
D1/28-25
Outside diameter (mm)B42
Outside diameter with screw head (mm)BS44,5
Moment of inertia per hub (10-3 kgm2)J1/J20,016
Approximate weight (kg)0,15
Fastening screw ISO 4762EM5
Tightening torque of the fastening screw (Nm)E8
Distance between centerlines (mm)F15,5
Distance (mm)G8,5
Speed standard (min -1)12500
Hub length (mm)H39
Maximum torque* (Nm)TKmax34|42|12
Overall length (mm)A66
Inside diameter of elastomer (mm)DE19,2
20
CAD
EK2 Serien
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
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
Speed standard (min -1)
Hub length (mm)H
Maximum torque* (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK2 Serien60
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN60|75|20
Fit length (mm)C30
Inside diameter possible from Ø to Ø H7 (mm)
D1/212-32
Outside diameter (mm)B56
Outside diameter with screw head (mm)BS57
Moment of inertia per hub (10-3 kgm2)J1/J20,05
Approximate weight (kg)0,35
Fastening screw ISO 4762EM6
Tightening torque of the fastening screw (Nm)E15
Distance between centerlines (mm)F21
Distance (mm)G10
Speed standard (min -1)11000
Hub length (mm)H46
Maximum torque* (Nm)TKmax120|150|35
Overall length (mm)A78
Inside diameter of elastomer (mm)DE26,2
60
CAD
EK2 Serien
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
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
Speed standard (min -1)
Hub length (mm)H
Maximum torque* (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK2 Serien150
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN160|200|42
Fit length (mm)C35
Inside diameter possible from Ø to Ø H7 (mm)
D1/219-36
Outside diameter (mm)B66,5
Outside diameter with screw head (mm)BS68
Moment of inertia per hub (10-3 kgm2)J1/J20,13
Approximate weight (kg)0,6
Fastening screw ISO 4762EM8
Tightening torque of the fastening screw (Nm)E35
Distance between centerlines (mm)F24
Distance (mm)G12
Speed standard (min -1)10000
Hub length (mm)H52,5
Maximum torque* (Nm)TKmax320|400|85
Overall length (mm)A90
Inside diameter of elastomer (mm)DE29,2
150
CAD
EK2 Serien
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
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
Speed standard (min -1)
Hub length (mm)H
Maximum torque* (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK2 Serien300
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN325|405|84
Fit length (mm)C45
Inside diameter possible from Ø to Ø H7 (mm)
D1/220-45
Outside diameter (mm)B82
Outside diameter with screw head (mm)BS85
Moment of inertia per hub (10-3 kgm2)J1/J20,4
Approximate weight (kg)1,1
Fastening screw ISO 4762EM10
Tightening torque of the fastening screw (Nm)E70
Distance between centerlines (mm)F29
Distance (mm)G15
Speed standard (min -1)9000
Hub length (mm)H66
Maximum torque* (Nm)TKmax650|810|170
Overall length (mm)A114
Inside diameter of elastomer (mm)DE36,2
300
CAD
EK2 Serien
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
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
Speed standard (min -1)
Hub length (mm)H
Maximum torque* (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK2 Serien450
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN530|660|95
Fit length (mm)C50
Inside diameter possible from Ø to Ø H7 (mm)
D1/228-60
Outside diameter (mm)B102
Outside diameter with screw head (mm)BS105
Moment of inertia per hub (10-3 kgm2)J1/J20,9
Approximate weight (kg)1,7
Fastening screw ISO 4762EM12
Tightening torque of the fastening screw (Nm)E120
Distance between centerlines (mm)F38
Distance (mm)G17,5
Speed standard (min -1)8000
Hub length (mm)H73
Maximum torque* (Nm)TKmax1060|1350|190
Overall length (mm)A126
Inside diameter of elastomer (mm)DE46,2
450
CAD
EK2 Serien
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Inside diameter possible from Ø to Ø H7 (mm)
D1/2
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
Speed standard (min -1)
Hub length (mm)H
Maximum torque* (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK2 Serien800
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN950|1100|240
Fit length (mm)C65
Inside diameter possible from Ø to Ø H7 (mm)
D1/235-80
Outside diameter (mm)B136,5
Outside diameter with screw head (mm)BS139
Moment of inertia per hub (10-3 kgm2)J1/J29,5
Approximate weight (kg)10
Fastening screw ISO 4762EM16
Tightening torque of the fastening screw (Nm)E290
Distance between centerlines (mm)F50,5
Distance (mm)G23
Speed standard (min -1)4000
Hub length (mm)H93,5
Maximum torque* (Nm)TKmax1900|2150|400
Overall length (mm)A162
Inside diameter of elastomer (mm)DE60,5
800
CAD

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: up to series 450 high strength aluminum,
from 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 EK2:
    • easy assembly
    • concentrically machined hubs
    • vibration damping
    • backlash free
    • electrically isolating
    • press fit design


Overview