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 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 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 111 | Assembly Number N/A 7-111-100-102-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 8200 lb·in926 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 10500 lb·in1186 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 11600 lb·in1311 Nm | Maximum Bore Size N/A 2.50 in64 mm | Total Brake (Weight) N/A 130 lb59 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 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 124H | Assembly Number N/A 7-125-100-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 75500 lb·in8530 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 86600 lb·in9784 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 618 lb280 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 127 | Assembly Number N/A 7-127-100-105-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 75300 lb·in8508 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 94200 lb·in10643 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 113400 lb·in12812 Nm | Maximum Bore Size N/A 6.50 in165 mm | Total Brake (Weight) N/A 760 lb345 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 221 | Assembly Number N/A 7-121-200-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 71700 lb·in8101 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 88800 lb·in10033 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 107600 lb·in12157 Nm | Maximum Bore Size N/A 6.00 in152 mm | Total Brake (Weight) N/A 575 lb261 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 208 | Assembly Number N/A 7-108-200-121-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 7100 lb·in802 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 9100 lb·in1028 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 12000 lb·in1356 Nm | Maximum Bore Size N/A 2.25 in57 mm | Total Brake (Weight) N/A 70 lb32 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 148 | Assembly Number N/A 7-148-100-300-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 698250 lb·in78889 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 3158 lb1432 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 218 | Assembly Number N/A 7-118-200-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 60000 lb·in6779 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 77000 lb·in8700 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 100000 lb·in11298 Nm | Maximum Bore Size N/A 4.75 in120 mm | Total Brake (Weight) N/A 377 lb171 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 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 |
| 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 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 236H | Assembly Number N/A 7-137-200-104-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 477500 lb·in53949 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 564000 lb·in63722 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 760000 lb·in85866 Nm | Maximum Bore Size N/A 10.00 in254 mm | Total Brake (Weight) N/A 1993 lb904 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 104H | Assembly Number N/A 71104-730 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 451 lb·in51 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 1.00 in25 mm | Total Brake (Weight) N/A 11.0 lb7 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 206 | Assembly Number N/A 7-106-200-200-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 4300 lb·in486 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 5600 lb·in633 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 7200 lb·in813 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 142 | Assembly Number N/A 7-142-100-302-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 425000 lb·in48017 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 1967 lb892 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 121 | Assembly Number N/A 7-121-100-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 38300 lb·in4327 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 47400 lb·in5355 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 57400 lb·in6485 Nm | Maximum Bore Size N/A 6.00 in152 mm | Total Brake (Weight) N/A 460 lb209 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
| SSB 108 | Assembly Number N/A 7-108-100-123-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 3700 lb·in418 Nm | Dynamic Torque Rating (75 psi/5.2 bar) N/A 4800 lb·in542 Nm | Dynamic Torque Rating (90 psi/6.2 bar) N/A 6200 lb·in700 Nm | Maximum Bore Size N/A 2.25 in57 mm | Total Brake (Weight) N/A 62 lb28 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 216 | Assembly Number N/A 7-116-200-100-0 | Dynamic Torque Rating (60 psi/4.1 bar) N/A 35300 lb·in3988 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 53400 lb·in6033 Nm | Maximum Bore Size N/A 4.00 in102 mm | Total Brake (Weight) N/A 326 lb148 kg | Manufacturer N/A Wichita Clutch | Actuation N/A Air Applied |
