4004-0834

Dual function 47 series mechanical/hydraulic single acting caliper disc brake sized for 3/8 inch thick brake disc.

  • Aluminum Construction
  • Hardcoated
  • Available W.C. Branham Brake Discs: 6 5/16", 8", 10", 12" Diameter
  • Fits on Brake Discs up to 18" Diameter
  • Replaceable Friction Pads (WCB p/n 4000-1052)
  • Non-Asbestos Friction Material
  • U.S. Dept. of Defense Approved Friction Pads
  • Adjustable Nut for Pad Wear
  • Stamped Plated Steel Lever and Machined V-Notch Cam

Hydraulic braking torques:

  • Dynamic torque (inch/lb): 144 lbf per 100 psi x braking radius
  • Parking/static torque (inch/lb): 72 lbf per 100 psi x braking radius

Mechanical braking torques:

  • Dynamic torque (inch/lb) 2.69 x Lever Force (lb.) x braking radius
  • Parking/static torque 1.75 x Lever Force (lb) per x braking radius

Cam Lever Travel Data:

  • 15º maximum lever travel when friction pads are new and with 1/32" gap on each side of disc.
  • Periodic tightening of lock nut will reduce travel of lever and will allow 1/4" wear on each friction pad.
  • 90º maximum lever travel after 3/16" wear on each friction pad and without intermediate tightening of lock nut.

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