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964087 QFB-2500 Brake 3.500", HCO
Unit of Measure

Specifications

Supplier Name

N/A Nexen

Manufacturer Part Number

N/A 964087

Model Number

N/A QFB-2500

Approximate Brake Facing Life

N/A 18400 hp·hr

Backlash

N/A 0.21 º

Bore Size

N/A 3.5000 to 6.5000 in

Bore Style

N/A Unfinished Pilot Bore

Bore Type

N/A Straight

Brake Air Chamber Volume when New

N/A 157.800 in³

Brake Air Chamber Volume when Worn Out

N/A 31.800 in³

Brake Facing Edge Color Code

N/A Purple

Brake Facing Effective Area

N/A 808 in²

Brake Facing Type

N/A High Coefficient

Brake Heat Sink Capacity

N/A 2920000 ft·lb

Brake Peak Thermal Input Rate

N/A 727.00 hp

Engagement

N/A Spring Engaged

Release

N/A Air Release

Finish

N/A Black Oxide

Function

N/A Stopping and Holding

Maximum Speed

N/A 1000 rpm

Maximum Brake Continuous Thermal Dissipation

N/A 14.70 hp

Maximum Pressure

N/A 80 psi

Maximum Static Brake Torque

N/A 164800 in·lb

Minimum Release Pressure

N/A 66 psi

Open or Enclosed Design

N/A Open

Overall Diameter

N/A 30.00 in

Overall Length

N/A 11.95 in

Port Size

N/A 1/2 in

Port Type

N/A National Pipe Thread (NPT)

Rating

N/A European Conformity (CE) Restriction of Hazardous Substances (RoHS)

Recommended Control Kits

N/A 940019 940020

Shaft Inertia

N/A 139.30 lb/ft²

Weight

N/A 848.00 lb

General Information

General Information

N/A Not designed for vertical mounting, consult Motion Industries for use in cyclic applications. The hub for this product is provided loose for machining, consult Motion Industries for recommended controls.