Torque Limiters / Safety Couplings SK
Please select a Torque Limiter / Safety Coupling:
Model SK2 technical information
Torque Limiter with clamping hub for direct drives
Series from 0.1 - 1,800 Nm

Data table and downloads Torque Limiter SK2
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Model SK2
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Series
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1.5
|
2
|
4.5
|
10
|
15
|
30
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60
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80
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150
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200
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300
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500
|
800
|
1500
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| Adjustment range
available
from - to (approx. values) (Nm) |
TKN |
0.1-0.6
0.4-1
0.8-1.5 | 0.2-1.5
0.5-2 | 1-3
3-6 | 2-6
4-12 | 5-10
8-20 | 10-25
20-40 | 10-30
25-80 | 20-70
30-90 | 20-70
45-150
80-180 | 30-90
60-160
120-240 | 100-200
150-240
200-320 | 80-200
200-350
300-500 | 400-650
500-800
650-850 |
650-800
700-1200
1000-1800 |
| Adjustment
range available from - to (approx. values), full disengagement (Nm) |
TKN |
0.3-0.8
0.6-1.3 | 0.5-2 | 2.5-4.5 | 2-5
5-10 | 7-15 | 8-20
16-30 | 20-40
30-60 | 20-60
40-80 | 20-60
40-80
80-150 | 80-140
130-200 | 120-180
160-300 | 60-150
100-300
250-500 | 200-400
450-800 |
1000-1250
1250-1500 |
| Overall length (mm) |
A |
42 | 46 | 51 | 57 | 65 | 65 | 74 | 75 | 82 | 87 |
95 | 102 | 112 | 115 | 127 | 116 | 128 | 128 | 140 | 139 | 153 | 163 | 177 | 190 |
223 |
| Overall length, full disengagement
(mm) |
AF |
42 | 46 | 51 | 57 | 65 | 65 | 74 | 75 | 82 | 87 | 95 | 102 | 112 | 117 | 129 | 118 | 130 | 131 | 143 | 142 | 156 | 167 | 181 | 201 |
232 |
| Actuation ring Ø (mm) |
B |
23 | 29 | 35 | 45 | 55 | 65 | 73 | 92 | 92 | 99 | 120 | 135 | 152 |
174 |
| Actuation ring Ø, full disengagement
(mm) |
BF |
24 | 32 | 42 | 51.5 | 62 | 70 | 83 | 98 | 98 | 117 | 132 | 155 | 177 |
187 |
| Fit length (mm) |
C |
11 | 13 | 16 | 16 | 22 | 27 | 31 | 35 | 35 | 40 | 42 | 51 | 48 |
67 |
| Inner diameter
from Ø to Ø H7
(mm) |
D1 /
D2 |
3-8 | 4-12 | 5-14 | 6-20 | 10-26 | 12-30 | 15-32 | 19-42 | 19-42 | 24-45 | 30-60 | 35-60 | 40-75 |
50-80 |
| Outer diameter of coupling (mm) |
E |
19 | 25 | 32 | 40 | 49 | 55 | 66 | 81 | 81 | 90 | 110 | 123 | 134 |
157 |
| Distance (mm) |
F |
12 | 13 | 15 | 17 | 19 | 24 | 30 | 31 | 31 | 35 | 35 | 45 | 50 |
63 |
| Distance,
(full disengagement) (mm) |
FF |
11.5 | 12 | 14 | 16 | 19 | 22 | 29 | 31 | 30 | 33 | 35 | 43 | 54 |
61 |
| Distance (mm) |
G |
3.5 | 4 | 5 | 5 | 6.5 | 7.5 | 9.5 | 11 | 11 | 12.5 | 13 | 17 | 18 |
22.5 |
| Distance between centers (mm) |
H |
6 | 8 | 10 | 15 | 17 | 19 | 23 | 27 | 27 | 31 | 39 | 41 | 2x48 |
2x55 |
| Screw ISO 4762 |
I |
M2.5 | M3 | M4 | M4 | M5 | M6 | M8 | M10 | M10 | M12 | M12 | M16 | 2xM16 |
2xM20 |
| Tightening torque (Nm) |
I |
1 | 2 | 4 | 4.5 | 8 | 15 | 40 | 50 | 70 | 120 | 130 | 200 | 250 |
470 |
| Approx. weight (kg) |
|
0.035 | 0.07 | 0.2 | 0.3 | 0.4 | 0.6 | 1 | 2 | 2.4 | 4 | 5.9 | 9.6 | 14 |
21 |
Moment of interia
(10-3 kgm2) |
Jges |
0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.06 | 0.07 | 0.10 | 0.15 | 0.27 | 0.32 | 0.75 | 0.80 | 1.80 | 1.90 | 2.50 | 2.80 | 5.10 | 5.30 | 11.5 | 11.8 | 22.8 | 23.0 | 42.0 |
83.0 |
| Torsional
stiffness
(103 Nm/rad) |
CT |
0.7 | 1.2 | 1.3 | 7 | 5 | 9 |
8 | 20 | 15 | 39 | 28 | 76 | 55 | 129 | 85 | 175 | 110 | 191 | 140 | 420 | 350 | 510 | 500 | 780 |
1304 |
| Lateral misalignment max. (mm) |
|
0.15 | 0.15 | 0.20 | 0.20 |
0.25 | 0.20 | 0.30 | 0.15 | 0.20 | 0.20 | 0.25 | 0.20 | 0.25 | 0.20 | 0.25 | 0.20 | 0.25 | 0.25 |
0.30 | 0.25 | 0.30 | 0.30 | 0.35 | 0.35 |
0.35 |
| Angular misalignment max. (degrees) |
|
1 | 1 | 1.5 | 1.5 | 2 | 1.5 | 2 | 1 | 1.5 | 1 | 1.5 | 1 | 1.5 | 1 | 1.5 | 1 | 1.5 | 1.5 | 2 | 1.5 | 2 | 2 | 2.5 | 2.5 |
2.5 |
| Lateral spring stiffness (N/mm) |
|
70 | 40 | 30 | 290 | 45 | 280 | 145 | 475 | 137 | 900 | 270 | 1200 | 420 | 920 |
255 | 1550 | 435 | 2040 | 610 | 3750 | 1050 | 2500 | 840 | 2000 |
3600 |
| Actuation path (mm) |
|
0.7 | 0.8 | 0.8 | 1.2 | 1.5 | 1.5 | 1.7 | 1.9 | 1.9 | 2.2 | 2.2 | 2.2 | 2.2 |
3 |
| Downloads Short Version |
1.5
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2
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4,5
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10
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15
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30
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60
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80
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150
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200
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300
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500
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800
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1500
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| 2D-DXF (single-position, multi-position, load-holdingt) |
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| 3D-EXE (single-position, multi-position, load-holding) |
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| 3D-STEP (single-position, multi-position, load-holding) |
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| 2D-DXF (full disengagement) |
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| 3D-EXE (full disengagement) |
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| 3D-STEP (full disengagement) |
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| Downloads Long Version |
1.5
|
2
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4,5
|
10
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15
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30
|
60
|
80
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150
|
200
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300
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500
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800
|
1500
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| 2D-DXF(single-position, multi-position, load-holding) |
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| 3D-EXE(single-position, multi-position, load-holding) |
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| 3D-STEP(single-position, multi-position, load-holding) |
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| 2D-DXF (full disengagement) |
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| 3D-EXE (full disengagement) |
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| 3D-STEP (full disengagement) |
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Ordering specifications
Required
information for models SK2, SK
3 and SK5.
Last update at: 06-29-2006