Product Number 964087 Product Family QFB 2500

Spring Engaged Flange Mount Brake

Description

QFB-2500*BRAKE*3.500,HCO

Product Features

Spring Engaged, Shaft Mount, Straight Bore

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Stock: In stock

WARNING: California Proposition 65

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

PDF CAD Drawing STEP CAD File DXF CAD Drawing User Manual Burnishing Guide Thermal Graph

Important Details

  • The Hub For This Product Is Provided Loose For Machining, Consult Nexen For Recommended Specifications
  • Nexen Can Provide Hubs Bored To Size For An Additional Charge

 

Specifications

Specifications
Weight 848 lbs
Mounting Style Flange
Anti Rotation Style Flange
Engagement Method Spring
Release Method Air
Max Speed 1000 RPM
Shaft Inertia 139.3 lbft²
Backlash 0.21 °
Open Or Enclosed Design Open
Primary Finish Black Oxide
Min Ambient Temperature 32 °F
Max Ambient Temperature 150 °F
CE Certified CE
RoHS Compliant RoHS
Bore Details Unfinished Pilot Bore
Max Static Brake Torque 164800 inlb
Brake Torque 164800 inlb
Brake Facing Type High Coefficient
Brake Facing Edge Color Code Purple
Approximate Brake Facing Life 18400 hphr
Brake Facing Effective Area 808.0 in²
Max Brake Continuous Thermal Dissipation 14.70 hp
Brake Heat Sink Capacity 2920000 ftlb
Brake Peak Thermal Input Rate 727.00 hp
Max Allowable Pressure 120 psi
Min Release Pressure 66 psi
Inlet Size 0.500 NPT
Bore Style Unfinished Blank Bore
Brake Air Chamber Volume When New 125.900 in³
Brake Air Chamber Volume When Worn Out 33.000 in³
Materials Of Construction Black Oxide
Output Shaft Style None

Dimensions

Dimensions
Length 11.95 in
Outer Diameter 30.00 in
Bore Size 3.500 in, Blank Bore can be finished up to 6.500 in

Notes

Notes
Product Features Spring Engaged, Shaft Mount, Straight Bore
Restrictions Not Designed For Vertical Mounting, Consult Nexen For Use In Cyclic Applications
Braking Capability Cyclic Dynamic, E-Stop, Holding