STF | Torque Limiting Coupling
With Flange Mounting
Made with hardened steel (nitro-carburized surface) the STF features a coupling hub with flange mounting on the drive side and a mounting flange with fastening threads and integral bearing on the driven side.
The externally adjustable safety elements are evenly spaced around the circumference.
INDUSTRIAL TORQUE LIMITING COUPLING
WITH FLANGE MOUNTING
0.2 - 45 KNM
STF Series Variants
*See above picture for reference
| Item | Length A | O.D. B | O.D. B1 | O.D. B2 | I.D. D1 | Bore D1 | Pilot E | Bolt Diam F | O.D. G | Threads H | Thread Depth I | Mount Len J1 | Mount Len J2 | Distance L | Distance M | Distance N | Adj (Tq) | Inertia1 | Inertia2 | Speed | Axial Rec Frc. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STF-2 | 190 | 198 | 170 | 170 | 90 | 90 | 8x13 | 130 | 130 | 8xM12 | 14 | 3 | 2,5 | 45 | 83 | 3,5 | (0,2-0,5 | 3xST10) (0,5-1,0 | 6xST10) (1,0-1,5 | 6xST10) | 83 | 20 | 9000 | 7 |
| STF-5 | 230 | 220 | 188 | 118 | 110 | 110 | 8x15 | 155,5 | 155,5 | 8xM14 | 17,5 | 4 | 3 | 63,5 | 113,5 | 4,5 | (0,7-2 | 3xST15) (1,2-4 | 6xST15) (3,2-5 | 6xST15) | 150 | 30,4 | 7500 | 12 |
| STF-10 | 250 | 270 | 230 | 230 | 140 | 140 | 8x17 | 196 | 196 | 8xM16 | 20 | 5 | 3,5 | 75 | 125 | 4,5 | (2-5 | 3xST15) (4-10 | 6xST15) (6-14 | 9xST15) | 380 | 50,3 | 6300 | 17 |
| STF-25 | 280 | 318 | 268 | 306 | 174 | 200 | 12x19 | 220 | 270 | 12xM18 | 22 | 5 | 4 | 83,5 | 124,5 | 4,5 | (6-12 | 6xST15) (9-18 | 9xST15) (15-25 | 12xST15) | 830 | 73 | 5000 | 22 |
| STF-40 | 320 | 428 | 340 | 390 | 210 | 210 | 16x22 | 304 | 350 | 16xM20 | 25 | 6 | 4 | 105,5 | 165 | 7,5 | (12-21 | 3xST31) (22-32 | 6xST31) (32-45 | 9xST31) | 3300 | 180 | 3600 | 30 |
Product Manual
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