M47

450 Lb. Max Lever Force - Mechanical Single Acting Caliper Disc Brake, 2x Greater Total Friction Pad Area Than M38

  • Cast or extruded aluminum construction
  • Hardcoated housing
  • Spring retractable piston
  • Replaceable, non-asbestos friction pads
  • Unlimited disc diameter
  • Dynamic Torque (in.lb.) 2.69 x Lever Force (lb.) 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.
  • Power Factor: M38FSeries 1X, 200 Series 3.5X
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Quick Facts - Dynamic Torque (inch/lb) = 2.69 x Lever Force (lb.) x Braking Radius | Braking Radius = Disc Radius - 0.88 in.

Model Dynamic Torque lbf./1 lb. Lever Force Disc Diameter Range, in. Bore Diameter, in. Total Friction Pad Area, in. sq. Maximum Lever Force, lbf.
M47 2.69 Unlimited 1.625 4.0 450

M47 Series

Product # Model # Description Additional Info Disc Thick. (in.) Lever Force (lb.)  
4004-0134 M47MA Single Acting, Fixed Mount. Use Floating Disc Single Spring Retractable Piston 5/32 450
4004-0138 M47MAF Single Acting, Floating Mount. Use Fixed Disc Single Spring Retractable Piston 5/32 450
4004-0135 M47MB Single Acting, Fixed Mount. Use Floating Disc Single Spring Retractable Piston 1/4 450
4004-0139 M47MBF Single Acting, Floating Mount. Use Fixed Disc Single Spring Retractable Piston 1/4 450
4004-0136 M47ML Single Acting, Fixed Mount. Use Floating Disc Single Spring Retractable Piston 3/8 450
4004-0140 M47MLF Single Acting, Floating Mount. Use Fixed Disc Single Spring Retractable Piston 3/8 450
4004-0137 M47ME Single Acting, Fixed Mount. Use Floating Disc Single Spring Retractable Piston 1/2 450
4004-0141 M47MEF Single Acting, Floating Mount. Use Fixed Disc Single Spring Retractable Piston 1/2 450