SKN
Torque Limiter with clamping hub for indirect drives

5 - 1,800 Nm

SKN TORQUE LIMITER WITH CLAMPING HUB FOR INDIRECT DRIVES

Specifications SKN

SKN series 15 30 60 150 200 300 500 800 1500
Adjustment range
available from - to
(approx. values)(Nm)
TKN
5-10
oder
8-20
10-25
oder
20-40
10-30
oder
25-80
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
600-850
600-800
700-1200
1000-1800
Adjustment range
available from - to (approx. values)
(”F” Version) (Nm)
TKN
7-15 8-20
oder
16-30
10-30
20-40
30-60
20-60
40-80
80-150
80-140
oder
130-200
120-180
oder
160-300
50-150
100-300
250-500
200-400
oder
450-800
1000-1250
oder
1250-1500
Overall length (mm) A 47 59 65 71 80 84 101 115 145
Overall length (”F” Version) (mm) AF 47 59 65 73 83 87 107 126 160
Actuation ring Ø (mm) B 55 65 73 92 99 120 135 152 174
Actuation ring Ø (”F” Version) (mm) BF 62 70 83 98 117 132 155 177 187
Clamping fit length (mm C 13.5 16 20 23 26 26 30 35 46
Inner diameter
from Ø to Ø H7 (mm)
D
12-22 14-25.4 16-32 19-40 24-44 30-56 35-60 40-62 50-72
Pilot diameter h7 (mm) E40
47
55
68
75
82
90
100
125
Bolt-hole circle diameter ± 0,2 (mm)F47 54 63 78 85 98 110 120 148
Flange outside diameter -0,2 (mm)G53
63
72
87
98
112
128
140
165
Thread H6xM4 6xM5 6xM5 6xM6 6xM6 6xM8 6xM8 6xM10 6xM12
Thread depth (mm)I6 8 9 10 10 10 12 15 16
Centering length -0,2 (mm)J3 5 5 5 5 6 9 10 13.5
Distance (mm)K8 11 11 12 12 15 21 19 25
Distance (mm)L27 35 37 39 44 47 59 67 82
Distance (”F” Version) (mm)L F27 37 39 41.5 47 51.5 68 75 94
Distance (mm)M6.5 7.5 9.5 11 13 13 14.5 18 22.5
Screw ISO 4762LM5 M6 M8 M10 M12 M12 M14 M16 M20
Tightening torque (Nm)O8 15 40 70 120 130 210 270 500
Clamp ring Ø (mm)O 149 55 67 85 94 110 121 134 157
Diameter (mm)O 235 42 49 62 67 75 84 91 112
Diameter h7 (mm)P27 36 39 50 55 65 72 75 92
Distance between centers (mm)R17.5 19 23.5 30 32.5 39 43.5 45 52
Distance (mm)J ges2.5 2.5 2.5 2.5 3 3 4 4 4.5
Moment of inertia (10 -3kgm2) 0.15 0.25 0.5 1.6 2.7 5.2 8.6 20 31.5
Approx. weight (kg)0.4 0.7 1 1.3 2 3 4 5.5 10
Actuation path (mm)1.5 1.5 1.7 1.9 2.2 2.2 2.2 2.2 3
CAD Portal 15 30 60 150 200 300 500 800 1500
2D/3D Data 

Properties

  • Design:
    • with clamping hub and 1 radial screw ISO 4762
    • absolutely backlash free through frictional clamping connection
  • Tempertaure range: -30° C to +120° C (-22° F to +248° F)
  • Service life: Maintenance free when operated within the technical specifications.
  • Tolerance: Tolerance between hub an shaft 0.01 - 0.05 mm.
  • Material:
    • torque limiting portion: high-strength, hardened steel
    • clamping hub: up to series 500, aluminium
    • from series 800, steel
  • Properties of Torque Limiter model SKN:
    • absolutely backlash-free and torsionally rigid
    • compact, simple design
    • disengagement detection is achieved through indexing ring movement
    • low residual friction following disengagement
    • low moment of interia
    • precise overload protection
    • disengagement within msecs

Overview