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31A3500
DFB Dual Face Brakes and QFB Quad Face Brakes (11)

This 16-model series of spring engaged, air released brakes are designed for heavy-duty industrial applications requiring high torque and low inertia. Intended for horizontal shaft mounting only. Dual Faced Elements have two interface surfaces; Quad Faced Elements have four interface surfaces. Available with either Standard or High coefficient friction facings. Single or Double Disc Assemblies available. Rugged design ensures long product life. O-ring sealed piston & cylinder design reduces maintenance costs.
ProductDescriptionMaximum Static Brake TorqueBore SizeBore StyleMax RpmMaximum Brake Continuous Thermal DissipationMinimum Release Pressure
964086QFB-2500*BRAKE*3.500115400 inlbs3.500-6.500 in.Unfinished Pilot Bore100014.70 hp66 psi
964087QFB-2500*BRAKE*3.500,HCO164800 inlbs3.500-6.500 in.Unfinished Pilot Bore100014.70 hp66 psi
964076DFB-2200*BRAKE*2.50033600 inlbs2.500 - 6.000 in.Unfinished Pilot Bore110010.70 hp66 psi
964077DFB-2200*BRAKE*2.500,HCO48000 inlbs2.500 - 6.000 in.Unfinished Pilot Bore110010.70 hp66 psi
964078DFB-2500*BRAKE*3.00057700 inlbs2.500 - 6.000 in.Unfinished Pilot Bore100010.90 hp66 psi
964084QFB-2200*BRAKE*3.00067200 inlbs3.000 - 6.500 in.Unfinished Pilot Bore110014.10 hp66 psi
964079DFB-2500*BRAKE*3.000,HCO82400 inlbs2.500 - 6.000 in.Unfinished Pilot Bore100010.90 hp66 psi
964085QFB-2200*BRAKE*3.000,HCO96000 inlbs3.000 - 6.500 in.Unfinished Pilot Bore110014.10 hp66 psi
964286QFB-2200*BRAKE*4.563,HCO,NSB96000 inlbs4.563 in.Straight With Setscrew And Keyway110014.10 hp66 psi
963999QFB-2200*BRAKE*4.9375 BORE,HICO,SPCL96000 inlbs4.938 in.Straight With Setscrew And Keyway110014.10 hp66 psi
964098QFB-2200*BRAKE*5.438 BORE,HICO,TWO KEYWAYS,SPCL96000 inlbs5.438 in.Straight With Setscrew And Keyway110014.10 hp66 psi




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