EK1
Elastomer Spider Coupling with keyway connection

0.5 - 25,000

EK1 ELASTOMER SPIDER COUPLING WITH KEYWAY CONNECTION

EK1
EK1

Specifications EK1

EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 Serien2
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN2|2,4|0,5
Fit length (mm)C6,5
Inside diameter possible from Ø to Ø H7 (mm)
D1/23-9
Inside diameter (pilot bored) (mm)DV3
Inside diameter of elastomer (mm)DE6,2
Outside diameter (mm)B/B115
Moment of inertia per hub (10-3 kgm2)J1/J20,0001
Approximate weight (kg)0,008
Distance (mm)G3
Speed standard (min -1)15000
Maximum torque (Nm)TKmax4|4,8|1
Overall length (mm)A20
Possible shortening length (mm)H4
Speed balanced (103min-1)60|67|45
2
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 Serien5
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN9|12|2
Fit length (mm)C12
Inside diameter possible from Ø to Ø H7 (mm)
D1/26-15
Inside diameter (pilot bored) (mm)DV4
Inside diameter of elastomer (mm)DE10,2
Outside diameter (mm)B/B125
Moment of inertia per hub (10-3 kgm2)J1/J20,001
Approximate weight (kg)0,03
Distance (mm)G5
Speed standard (min -1)15000
Maximum torque (Nm)TKmax18|24|4
Overall length (mm)A34
Possible shortening length (mm)H6
Speed balanced (103min-1)57|65|43
5
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 Serien10
Type (Elastomer insert)A|B|C
Rated torque (Nm)TKN12,5|16|4
Fit length (mm)C12
Inside diameter possible from Ø to Ø H7 (mm)
D1/26-18
Inside diameter (pilot bored) (mm)DV6
Inside diameter of elastomer (mm)DE14,2
Outside diameter (mm)B/B132
Moment of inertia per hub (10-3 kgm2)J1/J20,003
Approximate weight (kg)0,08
Distance (mm)G6
Speed standard (min -1)13000
Maximum torque (Nm)TKmax25|32|6
Overall length (mm)A35
Possible shortening length (mm)H6
Speed balanced (103min-1)53|63|40
10
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 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
Inside diameter (pilot bored) (mm)DV7
Inside diameter of elastomer (mm)DE19,2
Outside diameter (mm)B/B142
Moment of inertia per hub (10-3 kgm2)J1/J20,02
Approximate weight (kg)0,15
Distance (mm)G9
Speed standard (min -1)12500
Maximum torque (Nm)TKmax34|42|12
Overall length (mm)A66
Possible shortening length (mm)H19
Speed balanced (103min-1)45|50|35
20
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 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
Inside diameter (pilot bored) (mm)DV9
Inside diameter of elastomer (mm)DE26,2
Outside diameter (mm)B/B156
Moment of inertia per hub (10-3 kgm2)J1/J20,06
Approximate weight (kg)0,35
Distance (mm)G11
Speed standard (min -1)11000
Maximum torque (Nm)TKmax120|150|35
Overall length (mm)A78
Possible shortening length (mm)H22
Speed balanced (103min-1)31|31|25
60
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 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)
D1/219-38
Inside diameter (pilot bored) (mm)DV14
Inside diameter of elastomer (mm)DE29,2
Outside diameter (mm)B/B166,5
Moment of inertia per hub (10-3 kgm2)J1/J20,1
Approximate weight (kg)0,6
Distance (mm)G12
Speed standard (min -1)10000
Maximum torque (Nm)TKmax320|400|85
Overall length (mm)A90
Possible shortening length (mm)H26
Speed balanced (103min-1)22|26|18
150
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 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
Inside diameter (pilot bored) (mm)DV16
Inside diameter of elastomer (mm)DE36,2
Outside diameter (mm)B/B182
Moment of inertia per hub (10-3 kgm2)J1/J20,4
Approximate weight (kg)1,1
Distance (mm)G15
Speed standard (min -1)9000
Maximum torque (Nm)TKmax650|810|170
Overall length (mm)A114
Possible shortening length (mm)H32
Speed balanced (103min-1)22|26|16
300
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 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
Inside diameter (pilot bored) (mm)DV22
Inside diameter of elastomer (mm)DE46,2
Outside diameter (mm)B/B1102
Moment of inertia per hub (10-3 kgm2)J1/J21,1
Approximate weight (kg)1,7
Distance (mm)G17
Speed standard (min -1)8000
Maximum torque (Nm)TKmax1060|1350|190
Overall length (mm)A126
Possible shortening length (mm)H37
Speed balanced (103min-1)16|17|12
450
CAD
EK1 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 (pilot bored) (mm)DV
Inside diameter of elastomer (mm)DE
Outside diameter (mm)B/B1
Moment of inertia per hub (10-3 kgm2)J1/J2
Approximate weight (kg)
Distance (mm)G
Speed standard (min -1)
Maximum torque (Nm)TKmax
Overall length (mm)A
Possible shortening length (mm)H
Speed balanced (103min-1)
CAD Portal
EK1 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)
D1/232-80
Inside diameter (pilot bored) (mm)DV29
Inside diameter of elastomer (mm)DE60,5
Outside diameter (mm)B/B1136,5
Moment of inertia per hub (10-3 kgm2)J1/J212
Approximate weight (kg)11
Distance (mm)G30
Speed standard (min -1)4000
Maximum torque (Nm)TKmax1900|2150|400
Overall length (mm)A162
Possible shortening length (mm)H43
Speed balanced (103min-1)13|13|8
800
CAD

Properties

  • Design:
    • two coupling hubs are concentrically machined with curved jaws.

    • bore tolerance H7 + keyway + set screw per DIN 916 or optional pilot bore (DV).
  • Temperature range: The temperature range depends on the Elastomer insert.
  • Tolerance: Overall clearance between shaft and hub 0.01 to 0.05 mm.
  • Material:
    • coupling hub: up to series 450 high strength aluminium, 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 EK1:
    • economical design
    • concentrically machined
    • vibration damping
    • electrically isolating
    • press fit design
    • low backlash, due to keyway connection
  • Design:
    • two coupling hubs are concentrically machined with curved jaws.

    • bore tolerance H7 + keyway + set screw per DIN 916 or optional pilot bore (DV).
  • Temperature range: The temperature range depends on the Elastomer insert.
  • Tolerance: Overall clearance between shaft and hub 0.01 to 0.05 mm.
  • Material:
    • coupling hub: up to series 450 high strength aluminium, 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 EK1:
    • economical design
    • concentrically machined
    • vibration damping
    • electrically isolating
    • press fit design
    • low backlash, due to keyway connection


Overview