Model: PFS520SJ

520 series, pneumatic spring applied, single acting caliper disc brake sized for 5/8 inch thick brake disc.

  • 75 PSI Retractable Release Pressure
  • Aluminum Construction
  • Hardcoated
  • Dual Belleville Disc Spring Stacks
  • Quick Change Pad Feature
  • Fits on Brake Discs Diameters from 20 inches to Unlimited Diameter
  • .45 Coefficient of Friction Pad #9511023
  • Non-Asbestos Friction Material
  • Spring Stacks in Parallel
  • Buna-N Seals
  • 6,419 lb. Maximum Tangential Force
  • 115,754 in. lbs. F using 40 inch Disc Diameter
  • 14,264 lb. Clamping Force


Model # PFS520SJ
Description Single Acting, Floating Mount. Use Fixed Disc
Additional Info Dual Pistons. Spring Applied 75 PSI Release
Disc Thick. (in.) 5/8
Tangential Force 6419 lbf, (28565 N)
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