Torque capacity at 80 psi: 1600 in-lbs. Thermal Horsepower rating of: 2.230 @ 1800 rpm. Heat Sink capacity of 125,000 Ft. Lbs. Standard or Low Coefficient Facings. Standard Bore Size: 1.938 inches. Split friction facings for easy replacement without brake removal or disassembly. Thru-shaft design can be flange mounted or shaft mounted with a torque pin.