Elastomer Couplings EK
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Elastomer coupling Model EK7 with expanding shaft
Series from 6 - 2150 Nm
Data table and Downloads Elastomer Coupling EK7 Series 6 - 2150 Nm
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Model EK7
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Series
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5
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10
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20
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60
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150
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300
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450
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800
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| Type (Elastomer insert) |
| A | B | C | A | B | C | A | B | C | A | B | C | A | B | C | A | B | C | A | B | C | A | B | C |
| Rated torque (Nm) |
TKN | 9 | 12 | 2 | 12.5 | 16 | 4 | 17 | 21 | 6 | 60 | 75 | 20 | 160 | 200 | 42 | 325 | 405 | 84 | 530 | 660 | 95 | 950 | 1100 | 240 |
| Max. torque* (Nm) |
TKmax | 18 | 24 | 4 | 25 | 32 | 6 | 34 | 42 | 12 | 120 | 150 | 35 | 320 | 400 | 85 | 650 | 810 | 170 | 1060 | 1350 | 190 | 1900 | 2150 | 400 |
| Overall length (mm) |
A | 22 | 28 | 40 | 46 | 51 | 68 | 76 | 94 |
| Outer diameter (mm) |
B | 25 | 32 | 42 | 56 | 66.5 | 82 | 102 | 136.5 |
| Outer diameter screwhead (mm) |
BS | 25 | 32 | 44.5 | 57 | 68 | 85 | 105 | 139 |
| Fit length (mm) |
C1 | 8 | 10.3 | 17 | 20 | 21 | 31 | 34 | 46 |
| Fit length (mm) |
C2 | 12 | 20 | 25 | 27 | 32 | 45 | 55 | 60 |
| Inner diameter possible from Ø to Ø H7 (mm) |
D1 | 4-12.7 | 5-16 | 8-25 | 12-32 | 19-36 | 20-45 | 28-60 | 35-80 |
| Outher diameter possible from Ø to Ø h7 (mm) |
D2 | 10-16 | 13-25 | 14-30 | 23-36 | 26-42 | 38-60 | 42-70 | 42-80 |
| Inner diameter (Elastomer insert) (mm) |
DE | 10.2 | 14.2 | 19.2 | 26.2 | 29.2 | 36.2 | 46.2 | 60.5 |
| Screw (ISO 4762/12.9) |
E1 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 |
| Tighting torque of the mounting screw (Nm) |
E1 | 2 | 4 | 8 | 15 | 35 | 70 | 120 | 290 |
| Screw (ISO 4762/12.9) |
E2 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M16 |
| Tighting torque of the mounting screw (Nm) |
E2 | 4 | 9 | 12 | 32 | 60 | 110 | 240 | 300 |
| Distance between centers (mm) |
F | 8 | 10.5 | 15.5 | 21 | 24 | 29 | 38 | 50.5 |
| Distance (mm) |
G | 4 | 5 | 8.5 | 10 | 11 | 15 | 17.5 | 23 |
| Hub length (mm) |
H | 7 | 7 | 10 | 11 | 16 | 20 | 27 | 27 |
Mass moment of inertia hub D1
(10-3 kgm2) |
| 0.002 | 0.003 | 0.01 | 0.04 | 0.08 | 0.3 | 0.66 | 8 |
Mass moment of inertia hubD2
(10-3 kgm2) |
| 0.002 | 0.01 | 0.04 | 0.1 | 0.2 | 1 | 2.6 | 9 |
| Approx. weight (kg) |
| 0,04 | 0,05 | 0,12 | 0,3 | 0,5 | 0,9 | 1,5 | 7,6 |
| Speed* (1/min) |
| 22.000 | 20.000 | 19.000 | 14.000 | 11.500 | 9.500 | 8.000 | 4.000 |
| Downloads |
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10
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20
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60
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150
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300
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450
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800
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| 3D-EXE (Viewer) |
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| 3D-STEP (ZIP folder) |
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Information
about static and dynamic torsional stiffness as well as max. possible misalignment. 1
Nm = 8,85 in lbs
* Maximum transferable torque of the clamping hub depends on the bore diameters (bore/shaft clearance 0,01 mm to 0,05 mm shaft oiled)
Higher torque through additional key possible.
Ordering example of Elastomer Coupling EK7:
Last Update: 14.07.2008
