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MH47AF


Attributes | Quote | Options | Downloads | Related MH47AF Caliper Disc Brake

4004-0829

Dual function 47 series mechanical/hydraulic single acting caliper disc brake w/ floating bracket, sized for 5/32 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.

 

  • Aluminum Construction
  • Hardcoated
  • Available W.C. Branham Brake Discs: 6 5/16", 8", 10", 12" Diameter
  • Fits on Brake Discs up to 16" 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, Heat Treated One Piece Lever/Cam

Hydraulic braking torques:

  • Dynamic torque (inch/lb): 288 lbf per 100 psi x braking radius
  • Parking/static torque (inch/lb): 144 lbf per 100 psi x braking radius

Mechanical braking torques:

  • Dynamic torque (inch/lb) 7.45 x Lever Force (lb.) x braking radius
  • Parking/static torque 3.73 x Lever Force (lb) per x braking radius


Cam Lever Travel Data:

  • Gap between friction pad faces and disc when new = .048" total.
  • Angular movement of lever required to actuate brake when new = 7º 30'.
  • Maximum axial movement without intermediate adjustment = .387".
  • .208" total wear allowed before adjustment of each side.

 

Attributes


Description Single Acting. Floating Mount. Use Fixed Disc
Additional Info Dual Spring Retractable Pistons
Disc Thick. (in.) 5/32
Fluid Type Hydraulic Oil
Max. Pressure, PSI 1000
Seals Buna-N
Max. Lever Force, lbs. 450
Wearable Friction Material 1.66 cu. in.
Piston Dia. 1.625 in.
Total Pad Area 8.00 sq. in.

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Options

Seals:  EPR seals for automotive brake fluid (G)

Downloads


DISC BRAKE CATALOG (1.02MB PDF)
DISC/HUB CATALOG (518KB PDF)
DWG CAD File (220KB ZIP)
DXF CAD File (114KB ZIP)
STEP CAD File (195KB ZIP)
Dimension View (285KB JPG)
Product Number Product Name Description Additional Info Disc Thick. (in.) Fluid Type
4004-0828 MH47A Caliper Disc Brake Single Acting. Fixed Mount. Use Floating Disc Dual Spring Retractable Pistons 5/32 Hydraulic Oil
4004-0830 MH47B Caliper Disc Brake Single Acting. Fixed Mount. Use Floating Disc Dual Spring Retractable Pistons 1/4 Hydraulic Oil
4004-0831 MH47BF Caliper Disc Brake Single Acting. Floating Mount. Use Fixed Disc Dual Spring Retractable Pistons 1/4 Hydraulic Oil
4004-0832 MH47E Caliper Disc Brake Single Acting. Fixed Mount. Use Floating Disc Dual Spring Retractable Pistons 1/2 Hydraulic Oil
4004-0833 MH47EF Caliper Disc Brake Single Acting. Floating Mount. Use Fixed Disc Dual Spring Retractable Pistons 1/2 Hydraulic Oil
4004-0834 MH47L Caliper Disc Brake Single Acting. Fixed Mount. Use Floating Disc Dual Spring Retractable Pistons 3/8 Hydraulic Oil
4004-0835 MH47LF Caliper Disc Brake Single Acting. Floating Mount. Use Fixed Disc Dual Spring Retractable Pistons 3/8 Hydraulic Oil
 
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