ST1 | Torque Limiting Coupling
With Key-Way Connection
The ST1 features a coupling hub with key-way connection or spline profile on the drive side and an output flange with 12x fastening threads on the driven side.
The torque limit is field adjustable (within the selected range) and the ST1 has a rated operating temperature range of -30 to 120 °C (-22 to 248 °F).
Made from high-strength nitro-carburized steel, it is maintenance free, with an infinite life span when operated within the technical specifications. This simple, torsionally rigid and compact coupling delivers precise overload protection.
TORQUE LIMITING COUPLING
WITH KEYWAY CONNECTION
FOR INDIRECT DRIVES
0.2 - 165 KNM
ST1 Series Variants
*See above picture for reference
| Item | Length A | Depth A2 | O.D. B | Length C | I.D. D1D2 | Pilot E | Bolt Diam F | O.D. G | Threads H | Thread Depth I | Mount Len J | Thickness K | Distance L | Distance M | Distance N | Diameter O | O.D. P | Bore Q | Adj (Tq) | Inertia1 | Inertia2 | Speed | Axial Rec Frc. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST1-2 | 120 | 100 | 198 | 100 | 30-75 | 132 | 162 | 192 | 12xM10 | 15 | 3,5 | 15 | 10,5 | 51,5 | 3,5 | 154 | 104 | max 75 | (0,2-0,5 | 3xST10) ( 0,5-1,0 | 6xST10) (1,0-1,5 | 6xST10) | 77 | 15 | 7000 | 5 |
| ST1-5 | 150 | 124 | 220 | 121 | 40-90 | 145 | 170 | 209 | 12xM12 | 20 | 4 | 21 | 16,5 | 66,5 | 4,5 | 171 | 120 | max 90 | (0.7-2 | 3xST15) (1,2-4 | 6xST15) (3,2-5 | 6xST15) | 151 | 24 | 6000 | 10 |
| ST1-10 | 183 | 158 | 270 | 120 | 40-110 | 170 | 220 | 259 | 12xM16 | 25 | 6 | 17 | 45 | 95 | 4 | 220 | 170 | max 110 | (2-5 | 3xST15) (4-10 | 6xST15) (6-14 | 9xST15) | 360 | 40 | 4200 | 20 |
| ST1-25 | 230 | 200 | 318 | 155 | 60-140 | 210 | 260 | 298 | 12xM16 | 30 | 8 | 20 | 80 | 130 | 4 | 270 | 218 | max 140 | (6-12 | 6xST15) (9-18 | 9xST15) (15-25 | 12xST15) | 780 | 63 | 3800 | 30 |
| ST1-40 | 305 | 210 | 428 | 210 | 90-170 | 270 | 330 | 380 | 12xM20 | 35 | 8 | 28 | 102 | 170 | 7,5 | 350 | 265 | max 144 | (12-21 | 6xST30) (22-32 | 6xST30) (32-45 | 9xST30) | 3570 | 166 | 3000 | 40 |
| ST1-60 | 320 | 275 | 459 | 220 | 80-200 | 300 | 360 | 418 | 12xM20 | 35 | 8 | 30 | 99 | 167 | 7,5 | 376 | 295 | max 200 | (11-18 | 3xST 30) (22-36 | 6xST 30) (30-55 | 9xST 30) | 4600 | 179 | 2500 | 50 |
| ST1-100 | 396 | 280 | 592 | 280 | 100-250 | 390 | 464 | 530 | 12xM24 | 40 | 10 | 38 | 128 | 218 | 10 | 490 | 380 | max 216 | (24-50 | 3xST70) (45-90 | 6xST70) (80-110 | 9xST70) | 16850 | 403 | 2200 | 60 |
| ST1-160 | 410 | 360 | 648 | 290 | 100-290 | 450 | 570 | 618 | 12xM24 | 40 | 10 | 38 | 135 | 225 | 10 | 532 | 418 | max 290 | (25-55 | 3xST 70) (50-110 | 6xST 70) (80-165 | 9xST 70) | 24600 | 463 | 2000 | 100 |
| ST1-250 | 600 | 740 | 361 | 370 | 200-340 | 508 | 600 | 680 | 12xM36 | 60 | 12 | 78 | 273 | 349 | 10 | 630 | 508 | max 290 | (100-170 | 8xST71) (160-250 | 12xST71) | 61300 | 850 | 1800 | 240 |
Product Manual
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