Model: M38ML

38 series, mechanical single acting caliper disc brake sized for 3/8 inch thick brake disc.

  • Aluminum Construction
  • Hardcoated
  • Fits on Brake Discs with Unlimited Diameter
  • Adjustable Nut for Pad Wear
  • Replaceable Friction Pads (WCB p/n 4000-1054)
  • Non-Asbestos Friction Material
  • Dynamic torque (inch/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: M38F and M47F Series 1X, 200 Series 3.5X


DescriptionSingle Acting, Fixed Mount. Use Floating Disc
Additional InfoSingle Spring Retractable Piston
Disc Thick. (in.)3/8
Lever Force (lb.)450
Max. Disc Diameter, in.Unlimited
Housing MaterialAluminum, Hardcoated
Bolt TypeGrade 8 Zinc Plated
Lever/CamMachined V-Notch Cam
Total Pad Area2.0 sq. in.
Wearable Friction Material0.46 cu. in.

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