Spring Set Brakes
Disc Clutches and Brakes
Wichita Spring-Set Air Release Brakes are ideal for fail safe protection of process equipment. Constructed of high strength cast iron, this improved design has thick friction discs for longer wear life. The fast acting airtube design assures quick, smooth stops.
Model # |
Assembly Number |
Dynamic Torque Rating (60 psi/4.1 bar) |
Dynamic Torque Rating (75 psi/5.2 bar) |
Dynamic Torque Rating (90 psi/6.2 bar) |
Maximum Bore Size |
Total Brake (Weight) |
Manufacturer |
Actuation |
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| SSB 242 | Assembly Number N/A 7-142-200-306-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 796000 lb·in89933 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 14.00 in355 mm | Total Brake (Weight) N/A 2732 lb1239 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 248 | Assembly Number N/A 7-148-200-300-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 1335000 lb·in150830 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 18.00 in455 mm | Total Brake (Weight) N/A 4700 lb2132 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 260 | Assembly Number N/A 7-160-200-300-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 3255000 lb·in367755 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 19.00 in480 mm | Total Brake (Weight) N/A 9453 lb4288 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 306 | Assembly Number N/A 7-106-300-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 5750 lb·in650 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 7400 lb·in836 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 9050 lb·in1022 Nm | Maximum Bore Size N/A 2.00 in50 mm | Total Brake (Weight) N/A 27.5 lb40.5 lb12 kg18 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 308 | Assembly Number N/A 7-108-300-101-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 8800 lb·in994 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 11300 lb·in1277 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 13400 lb·in1514 Nm | Maximum Bore Size N/A 2.25 in57 mm | Total Brake (Weight) N/A 87 lb39 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 311 | Assembly Number N/A 7-111-300-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 19300 lb·in2181 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 24900 lb·in2813 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 28400 lb·in3209 Nm | Maximum Bore Size N/A 2.50 in64 mm | Total Brake (Weight) N/A 208 lb94 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 314 | Assembly Number N/A 7-114-300-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 36000 lb·in4067 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 44700 lb·in5050 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 53900 lb·in6090 Nm | Maximum Bore Size N/A 3.50 in89 mm | Total Brake (Weight) N/A 290 lb132 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 316 | Assembly Number N/A 7-116-300-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 49500 lb·in5593 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 62600 lb·in7073 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 75000 lb·in8474 Nm | Maximum Bore Size N/A 4.00 in102 mm | Total Brake (Weight) N/A 358 lb162 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 318 | Assembly Number N/A 7-118-300-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 80900 lb·in9140 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 102000 lb·in11524 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 122000 lb·in13784 Nm | Maximum Bore Size N/A 4.75 in120 mm | Total Brake (Weight) N/A 461 lb209 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 321 | Assembly Number N/A 7-121-300-101-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 100200 lb·in11321 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 124100 lb·in14021 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 150400 lb·in16992 Nm | Maximum Bore Size N/A 6.00 in152 mm | Total Brake (Weight) N/A 723 lb328 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 324H | Assembly Number N/A 7-125-300-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 178900 lb·in20212 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 223600 lb·in25263 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 6.00 in152 mm | Total Brake (Weight) N/A 1025 lb465 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 327 | Assembly Number N/A 7-127-300-102-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 196700 lb·in22223 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 245900 lb·in27782 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 296000 lb·in33443 Nm | Maximum Bore Size N/A 6.50 in165 mm | Total Brake (Weight) N/A 1112 lb504 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 330H | Assembly Number N/A 7-131-300-305-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 395500 lb·in44684 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 496100 lb·in56050 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 589900 lb·in66648 Nm | Maximum Bore Size N/A 7.25 in184 mm | Total Brake (Weight) N/A 1751 lb794 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 336H | Assembly Number N/A 7-137-300-101-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 675000 lb·in76263 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 840100 lb·in94916 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 1012600 lb·in114405 Nm | Maximum Bore Size N/A 10.00 in254 mm | Total Brake (Weight) N/A 2610 lb1184 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 342 | Assembly Number N/A 7-142-300-301-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 1072000 lb·in121116 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 14.00 in355 mm | Total Brake (Weight) N/A 3704 lb1680 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 348 | Assembly Number N/A 7-148-300-103-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 1726000 lb·in195006 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 18.00 in455 mm | Total Brake (Weight) N/A 6540 lb2966 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 360 | Assembly Number N/A TBD | Dynamic Torque Rating (60 psi/4.1 bar) N/A 4921000 lb·in555982 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 19.00 in480 mm | Total Brake (Weight) N/A 11643 lb5281 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 436H | Assembly Number N/A 7-137-400-102-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 868800 lb·in98158 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 1081300 lb·in122167 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 1303400 lb·in147260 Nm | Maximum Bore Size N/A 10.00 in254 mm | Total Brake (Weight) N/A 4025 lb1826 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 460 | Assembly Number N/A TBD | Dynamic Torque Rating (60 psi/4.1 bar) N/A 5355000 lb·in605016 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A | Dynamic Torque Rating (90 psi/6.2 bar) N/A | Maximum Bore Size N/A 19.00 in480 mm | Total Brake (Weight) N/A 14500 lb6577 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
