ST1
Torque Limiter with keyway connection for indirect drives

0,2 - 250 KNm

ST1 TORQUE LIMITER WITH KEYWAY CONNECTION FOR INDIRECT DRIVES

Specifications ST1

ST1 series 2 5 10 25 40 60 100 160 250
Adjustment range
available from - to (KNm)
0.2-0.50.5-1.01.0-1.5
0,7-21.2-43.2-5
2-54-106-14
6-129-1815-25
12-2122-3232-45
11-1822-3630-55
24-5045-9080-110
25-5550-11080-165
100-170160-250
integrated modules (ST)  
3xST106xST106xST10
3xST156xST156xST15
3xST156xST159xST15
6xST159xST1512xST15
6xST306xST309xST30
3xST 306xST 309xST 30
3xST706xST709xST70
3xST 706xST 709xST 70
8xST7112xST71
Overall length (mm) A1 120 150 183 230 305 320 396 410 534
Bore depth (mm) A2 100 124 158 200 210 275 280 360 370
Flange outside diameter (mm)ØB 198 220 270 318 428 459 592 648 740
Fit length (mm) C 100 121 120 155 210 220 280 290 370
Bore diameter possible from Ø to Ø F7 (mm) D 30-75 40-90 40-110 60-140 90-170 80-200 100-250 100-290 200-340
Flange centering diameter H7 (mm)ØE132 145 170

210
270 300

390 450
508
Bolt circle diameter ± 0,3 (mm)ØF162 170 220 260 330 370 464 570 600
Outer diameter h7 (mm)ØG192 209 259 298 380 418 530 618 680
Fastening threadsH12xM10 12xM12 12xM16 12xM16 12xM20 12xM20 12xM24 12xM24 12xM36
Thread depth (mm)I15 20 25 30 35 35 40 40 60
Fit length (mm)J3.5 4 6 8 8 8 10 10 12
Wall thickness (mm)K15 21 17 20 28 30 38 38 60
Distance (mm)L10.5 16.5 45 80 102 99 128 135 135
Distance (mm)M51.5 66.5 95 130 170 167 218 225 228
switching distance + 0,5mm (mm) N3.5 4.5 4 4 7.5 7.5 10 10 10
Bolt circle diameter ST (mm)ØO154 171 220 270 350 376 490 532 630
Hub outside diameter (mm)P104 120 170 218 265 295 380 418 508
Bore for fastening screw (mm)ØQmax Ø 75 max Ø 90 max Ø 110 max Ø 140 max Ø 144 max Ø 200 max Ø 216 max Ø 290 max Ø 290
Moment of inertia (approx.) D max. (10-3 kgm2)77 151 370 780 3570 4600 16850 24600 56800
Speed max. (1/min.)7000 6000 4200 3800 3000 2500 2200 2000 1200
Allowable max. radial force standard* (KN)5 10 20 30 40 50 60 100 120
Approx. weight at D max. & 9 Sgmt(kg)15 24 40 63 166 179 403 463 850
CAD Portal 2 5 10 25 40 60 100 160 250
2D/3D Data 

Properties

  • Design:
    • drive side: Coupling hub with keyway connection or spline profile
    • driven side: Output flange with 12x fastening threads
    • integral bearings
    • torque modules: Evenly spaced around the circumference. Field adjustable within the selected range
  • Temperature range: -30° C to +120° C ( -22° F to +248° F)
  • Service life: Infinite life and maintenance free when operated within the technical specifications
  • Tolerance: Tolerance between hub and shaft 0.02 – 0.07 mm.
  • Material: High-strength, nitro-carburized steel
  • Properties of Torque Limiter model ST1:
    • compact, simple design
    • precise overload protection
    • torsionally rigid
    • integral bearings for timing belt, pulley or sprocket

Overview