EK6
Elastomer Coupling with conical clamping ring

4 - 25,000 Nm

EK6 ELASTOMER COUPLING WITH CONICAL CLAMPING RING

EK6
EK6

Specifications EK6

EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien10
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN12,6|16|4
Fit length (mm)C15
Outside diameter (mm)B/B132
Moment of inertia per hub (10-3 kgm2)J1/J20,004
Approximate weight (kg)0,08
Fastening screw ISO 4762E3x M3
Tightening torque of the fastening screw (Nm)E2
Distance (mm)F 
Speed standard (min -1)20000
Maximum torque (Nm)TKmax25|32|6
Overall length (mm)A42
Inside diameter of elastomer (mm)DE14,2
10
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien20
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN17|21|6
Fit length (mm)C20
Outside diameter (mm)B/B143
Moment of inertia per hub (10-3 kgm2)J1/J20,015
Approximate weight (kg)0,12
Fastening screw ISO 4762E6x M4
Tightening torque of the fastening screw (Nm)E3
Distance (mm)F 
Speed standard (min -1)19000
Maximum torque (Nm)TKmax34|42|12
Overall length (mm)A56
Inside diameter of elastomer (mm)DE19,2
20
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien60
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN60|75|20
Fit length (mm)C23
Outside diameter (mm)B/B156
Moment of inertia per hub (10-3 kgm2)J1/J20,05
Approximate weight (kg)0,3
Fastening screw ISO 4762E4x M5
Tightening torque of the fastening screw (Nm)E6
Distance (mm)F 
Speed standard (min -1)14000
Maximum torque (Nm)TKmax120|150|35
Overall length (mm)A64
Inside diameter of elastomer (mm)DE26,2
60
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien150
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN160|200|42
Fit length (mm)C28
Outside diameter (mm)B/B166,5
Moment of inertia per hub (10-3 kgm2)J1/J20,1
Approximate weight (kg)0,5
Fastening screw ISO 4762E8x M5
Tightening torque of the fastening screw (Nm)E7
Distance (mm)F 
Speed standard (min -1)13000
Maximum torque (Nm)TKmax320|400|85
Overall length (mm)A76
Inside diameter of elastomer (mm)DE29,2
150
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien300
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN325|405|84
Fit length (mm)C36
Outside diameter (mm)B/B182
Moment of inertia per hub (10-3 kgm2)J1/J20,3
Approximate weight (kg)0,9
Fastening screw ISO 4762E8x M6
Tightening torque of the fastening screw (Nm)E12
Distance (mm)F 
Speed standard (min -1)10000
Maximum torque (Nm)TKmax650|810|170
Overall length (mm)A96
Inside diameter of elastomer (mm)DE36,2
300
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien450
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN530|660|95
Fit length (mm)C42
Outside diameter (mm)B/B1102
Moment of inertia per hub (10-3 kgm2)J1/J20,85
Approximate weight (kg)1,5
Fastening screw ISO 4762E8x M8
Tightening torque of the fastening screw (Nm)E35
Distance (mm)F 
Speed standard (min -1)9000
Maximum torque (Nm)TKmax1060|1350|190
Overall length (mm)A110
Inside diameter of elastomer (mm)DE46,2
450
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien800
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN950|1100|240
Fit length (mm)C53
Outside diameter (mm)B/B1136,5
Moment of inertia per hub (10-3 kgm2)J1/J29,2
Approximate weight (kg)9,6
Fastening screw ISO 4762E8x M10
Tightening torque of the fastening screw (Nm)E55
Distance (mm)F 
Speed standard (min -1)4000
Maximum torque (Nm)TKmax1900|2150|400
Overall length (mm)A138
Inside diameter of elastomer (mm)DE60,5
800
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien2500
Type (Elastomer insert)A|B
Rated torque (Nm)TKN1950|2450
Fit length (mm)C70
Outside diameter (mm)B/B1160/159
Moment of inertia per hub (10-3 kgm2)J1/J231,7
Approximate weight (kg)15
Fastening screw ISO 4762E10x M10
Tightening torque of the fastening screw (Nm)E60
Distance (mm)F 
Speed standard (min -1)3500
Maximum torque (Nm)TKmax3900|4900
Overall length (mm)A177
Inside diameter of elastomer (mm)DE80
2500
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien4500
Type (Elastomer insert)A|B
Rated torque (Nm)TKN5000|6200
Fit length (mm)C90
Outside diameter (mm)B/B1225/208
Moment of inertia per hub (10-3 kgm2)J1/J2135,7
Approximate weight (kg)35
Fastening screw ISO 4762E10x M12
Tightening torque of the fastening screw (Nm)E100
Distance (mm)F51
Speed standard (min -1)3000
Maximum torque (Nm)TKmax10000|12400
Overall length (mm)A227
Inside diameter of elastomer (mm)DE113
4500
CAD
EK6 Series
Type (Elastomer insert)
Rated torque (Nm)TKN
Fit length (mm)C
Outside diameter (mm)B/B1
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 (mm)F
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Inside diameter of elastomer (mm)DE
CAD Portal
EK6 Serien9500
Type (Elastomer insert)A|B
Rated torque (Nm)TKN10000|12500
Fit length (mm)C112
Outside diameter (mm)B/B1285
Moment of inertia per hub (10-3 kgm2)J1/J2469,2
Approximate weight (kg)73
Fastening screw ISO 4762E10x M16
Tightening torque of the fastening screw (Nm)E160
Distance (mm)F66
Speed standard (min -1)2000
Maximum torque (Nm)TKmax20000|25000
Overall length (mm)A282
Inside diameter of elastomer (mm)DE145
9500
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 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
  • 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


Overview