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  • WCBD Disc Brake Elements Dual Disc Brake
  • WCB2 Disc Brake Elements Brake Drawing
WCB elements are disc type, externally cooled units. They are designed to absorb and dissipate the thermal loads associated with the most severe clutch and brake applications. The WCB friction couple was developed specifically for continuous slip service and has a dynamic coefficient of friction that is greater than its static coefficient of friction. Also available, special high coefficient linings, which provide 50% higher torque than standard friction linings and provide a 1:1 dynamic to static torque ratio. Element construction and operation is illustrated. Pressurizing the cylinder causes the piston to clamp the friction disc between the water jackets. Heat generated at the friction interface is quickly transferred to the circulating coolant. Element sizes are indicated by the number of friction discs and the disc diameter in inches. For instance, size 224WCB has two (2) friction discs 24 inches in diameter.
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Item #

Size

Dynamic Torque Rating

Thermal Rating

Housing (Weight)

Manufacturer

Actuation

N/A 108WCB N/A 5700 lb-in @ 80 psi 644 Nm @ 5.5 bar N/A 30 hp22.4 kW N/A 61 lb28 kg N/A Eaton-Airflex N/A Air Applied
N/A 208WCB N/A 11400 lb-in @ 80 psi 1288 Nm @ 5.5 bar N/A 60 hp44.7 kW N/A 82 lb37 kg N/A Eaton-Airflex N/A Air Applied
N/A 308WCB N/A 17100 lb-in @ 80 psi 1932 Nm @ 5.5 bar N/A 90 hp67.2 kW N/A 120 lb54 kg N/A Eaton-Airflex N/A Air Applied
N/A 114WCB N/A 21500 lb-in @ 80 psi 2429 Nm @ 5.5 bar N/A 60 hp44.7 kW N/A 217 lb98 kg N/A Eaton-Airflex N/A Air Applied
N/A 214WCB N/A 43000 lb-in @ 80 psi 4858 Nm @ 5.5 bar N/A 120 hp89.5 kW N/A 284 lb129 kg N/A Eaton-Airflex N/A Air Applied
N/A 314WCB N/A 64500 lb-in @ 80 psi 7288 Nm @ 5.5 bar N/A 180 hp134.4 kW N/A 366 lb166 kg N/A Eaton-Airflex N/A Air Applied
N/A 118WCB N/A 48800 lb-in @ 80 psi 5514 Nm @ 5.5 bar N/A 120 hp89.5 kW N/A 284 lb129 kg N/A Eaton-Airflex N/A Air Applied
N/A 218WCB N/A 11027 Nm @ 5.5 bar 97600 lb-in @ 80 psi N/A 240 hp179 kW N/A 332 lb150 kg N/A Eaton-Airflex N/A Air Applied
N/A 318WCB N/A 146400 lb-in @ 80 psi 16541 Nm @ 5.5 bar N/A 360 hp268 kW N/A 375 lb170 kg N/A Eaton-Airflex N/A Air Applied
N/A 418WCB N/A 195200 lb-in @ 80 psi 22055 Nm @ 5.5 bar N/A 480 hp358 kW N/A 665 lb302 kg N/A Eaton-Airflex N/A Air Applied
N/A 124WCB N/A 100000 lb-in @ 80 psi 11298 Nm @ 5.5 bar N/A 270 hp201.3 kW N/A 445 lb202 kg N/A Eaton-Airflex N/A Air Applied
N/A 224WCB N/A 200000 lb-in @ 80 psi 22597 Nm @ 5.5 bar N/A 540 hp402.7 kW N/A 795 lb360 kg N/A Eaton-Airflex N/A Air Applied
N/A 324WCB N/A 300000 lb-in @ 80 psi 33895 Nm @ 5.5 bar N/A 810 hp604 kW N/A 1000 lb453 kg N/A Eaton-Airflex N/A Air Applied
N/A 424WCB N/A 400000 lb-in @ 80 psi 45194 Nm @ 5.5 bar N/A 1080 hp805 kW N/A 1180 lb534 kg N/A Eaton-Airflex N/A Air Applied
N/A 136WCBEP N/A 295000 lb-in @ 80 psi 33331 Nm @ 5.5 bar N/A 780 hp581.6 kW N/A 2650 lb1202 kg N/A Eaton-Airflex N/A Air Applied
N/A 236WCBEP N/A 590000 lb-in @ 80 psi 66661 Nm @ 5.5 bar N/A 1560 hp1163.3 kW N/A 3250 lb1474 kg N/A Eaton-Airflex N/A Air Applied
N/A 336WCBEP N/A 885000 lb-in @ 80 psi 99992 Nm @ 5.5 bar N/A 2340 hp1744.9 kW N/A 4350 lb1973 kg N/A Eaton-Airflex N/A Air Applied
N/A 436WCBEP N/A 1180000 lb-in @ 80 psi 133322 Nm @ 5.5 bar N/A 3120 hp2326.6 kW N/A 5300 lb2404 kg N/A Eaton-Airflex N/A Air Applied
N/A 148WCB N/A 686000 lb-in @ 80 psi 77508 Nm @ 5.5 bar N/A 1300 hp696 kW N/A 3694 lb1676 kg N/A Eaton-Airflex N/A Air Applied
N/A 248WCB N/A 1372000 lb-in @ 80 psi 155015 Nm @ 5.5 bar N/A 2600 hp1939 kW N/A 5035 lb2284 kg N/A Eaton-Airflex N/A Air Applied
N/A 348WCB N/A 2058000 lb-in @ 80 psi 232523 Nm @ 5.5 bar N/A 3900 hp2908 kW N/A 6378 lb2893 kg N/A Eaton-Airflex N/A Air Applied
N/A 448WCB N/A 2744000 lb-in @ 80 psi 310030 Nm @ 5.5 bar N/A 5200 hp3878 kW N/A 7719 lb3501 kg N/A Eaton-Airflex N/A Air Applied
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