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Brake Products  »  Dry Caliper Service Brakes
 
 

A4 & AA4
Hydraulic
Dry Caliper Service Brakes
 
 
 
A4 & AA4 Series Data Sheet
Industrial Brake & Friction Selection Guide
Brake Product Application Questionnaire
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Description
 
The Carlisle A4 and AA4 brakes are hydraulically applied, four-piston, caliper disc brakes designed for a variety of dynamic braking requirements. These brakes are typically mounted to a flange on the vehicle's axle or mounting bracket for service brake applications.
 

Application
 
  • <p>Mobile construction and mining equipment, agricultural machines, logging industry vehicles, Industrial equipment.</p>
 

Formulas
 

Torque (lb-in) = K x Pressure (psi) x Disc Friction Radius (in)

Torque (N-m) = K x Pressure (bars) x Disc Friction Radius (mm)

Friction Radius (in) = Disc Diameter (in)/2 - 1.5 in

Friction Radius (mm) = Disc Diameter (mm)/2 - 38.1 mm

 EnglishMetric
K (Dynamic)9.6080.6199
K (Static)7.7900.5026
 
 
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