Torque Limiter / Safety Coupling SK1

Please select a Torque Limiter / Safety Coupling:
Available disengagement modes for R+W Torque Limiters:
Single-position  |  Multi-position  |  Load holding  |  Full disengagement

Model SK1/SKP technical information

Torque Limiter with conical clamp, clamping hub or key connection

Series Miniature from 1.5 - 10 Nm

SK1 Miniature: Torque Limiter with clamping hub

SKP Miniature: Torque Limiter with a pure key connection

Miniature Torque Limiter

Series from 15 - 2,800 Nm

SK1: Torque Limiter with conical clamp

SKP: Torque Limiter with a pure key connection

Torque Limiter Model SK1/SKP - 2D View

Data table and downloads Torque Limiter SK1 / SKP

Model
SK1/SKP

Miniature Design

Series

1.5

2

4.5

10

15

30

60

150

200

300

500

800

1500

2500

Adjustment range available from - to (approx. values) (Nm) TKN 0.1-0.6
0.4-1
0.8-2
0.2-1.5
0.5-2.2
1.5-3.5
1-3
2-4.5
3-7
2-6
4-12
7-18
5-15
12-25
20-40
35-70
5-20
10-30
20-60
50-100
10-30
25-80
50-115
20-70
45-150
80-225
30-90
60-160
140-280
250-400
100-200
150-240
220-440
80-200
200-350
320-650
400-650
500-800
650-950
600-800
700-1200
1000-1800
1500-2000
2000-2500
2300-2800
Adjustment range possible 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
4-10
8-15
7-15 8-20
16-30
10-30
20-40
30-60
20-60
40-80
80-150
80-140
130-200
120-180
160-300
50-150
100-300
250-500
200-400
450-850
1000-1250
1250-1500
1400-2200
1800-2700
Overall length (mm) A 23 28 32 39 40 50 54 58 63 70 84 95 109 146
Overall length, full disengagement (mm) AF 23 28 32 39 40 50 54 58 66 73 88 95 117 152
Overall length A1 (mm) A1 15.5 20 22 28 34 43 46 48.5 54 57 71.5 80 93 135
Overall length A1, full disengagement (mm) A1F 15.5 20 22 28 34 43 46 48.5 57 60 75 91 110 141
Actuation ring Ø (mm) B 23 29 35 45 55 65 73 92 99 120 135 152 174 242
Actuation ring Ø, full disengagement (mm) BF 24 32 42 51.5 62 70 83 98 117 132 155 177 187 258
Clamping fit length (mm) C 7 8 11 11 19 22 27.5 32 32 41 41 49 61 80
Inner diameter from Ø to Ø H7 (mm) D 4-8 4-12 5-14 6-20 8-22 12-22 12-29 15-37 20-44 25-56 25-56 30-60 35-70 50-100
Inner diameter max. Ø H7 (mm) D1 8 10 12 16 19 25.4 30 38 44 50 58 60 73 95
Pilot diameter h7 (mm) E 14 22 25 34 40 47 55 68 75 82 90 100 125 168
Bolt hole circle diameter ± 0.2 (mm) F 22 28 35 43 47 54 63 78 85 98 110 120 148 202
Flange outside diameter -0.2 (mm) G 26 32 40 50 53 63 72 87 98 112 128 140 165 240
Thread H 4xM2 4xM2.5 6xM2.5 6xM3 6xM4 6xM5 6xM5 6xM6 6xM6 6xM8 6xM8 6xM10 6xM12 6xM16
Thread depth (mm) I 3 4 4 5 6 8 9 10 10 10 12 15 16 24
Centering length -0.2 (mm) J 2.5 3.5 5 8 3 5 5 5 5 6 9 10 13.5 20
Distance (mm) K 5 6 8 11 8 11 11 12 12 15 21 19 25 34
Distance (mm) L 11 15 17 22 27 35 37 39 44 47 59 67 82 112
Distance full disengagemant (mm) LF 11.5 16 18 24 27 37 39 41.5 47 51.5 62 75 94 120
Distance (mm) M 2.5 4 4 5
Screw ISO 4762 N M2.5 M3 M4 M4 M4 M5 M5 M6 M6 M8 M8 M10 M12 M16
Tighting torque in (Nm) N 1 2 4 4.5 4 6 8 12 14 18 25 40 70 120
Outside diameter clamp ring (mm) O1 20 25 32 40
Diameter (mm) O2 13 18 21 30 35 42 49 62 67 75 84 91 112 154
Diameter Ø H7 (mm) O3 11 14 17 24 27 32 39 50 55 65 72 75 92 128
Distance between centers (mm) P 6.5 8 10 15
Distance (mm) R 1 1.3 1.5 1.5 2.5 2.5 2.5 2.5 3 3 4 4 4.5 6
Moment of interia
(10-³ kgm²)
Jges 0.01 0.02 0.05 0.07 0.15 0.25 0.50 1.60 2.70 5.20 8.60 20 31.5 210
Approx. weight (kg) 0.03 0.065 0.12 0.22 0.4 0.7 1.0 1.3 2.0 3.0 4.0 5.5 10 28
Actuation path (mm) 0.7 0.8 0.8 1.2 1.5 1.5 1.7 1.9 2.2 2.2 2.2 2.2 3.0 3.0
Downloads SK1

1.5

2

4.5

10

15

30

60

150

200

300

500

800

1500

2500

2D-DXF (single-position.load
holding, multi-position)
3D-EXE (single-position, load holding, multi-position)
3D-STEP (single-position, load holding, multi-position)
2D-DXF (full disengagement)
3D-EXE (full disengagement)
3D-STEP (full disengagement)
Downloads SKP

1.5

2

4,5

10

15

30

60

150

200

300

500

800

1500

2500

2D-DXF (single-position, load holding, multi-position)
3D-EXE (single-position, load holding, multi-position)
3D-STEP (single-position, load holding, multi-position)
2D-DXF (full disengagement)
3D-EXE (full disengagement)
3D-STEP (full disengagement)

Ordering specifications

Order example for Torque Limiter SK 1 and SKP Required information for Torque Limiter SK1 and SKP.

Last update at: 10-06-2006

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