491 series, hydraulic double acting caliper disc brake. Customer supplied spacer for brake disc thicknesses up to 2.0 inches.

  • Aluminum Construction
  • Hardcoated
  • Fits on Brake Discs with Unlimited Diameter
  • Replaceable Friction Pads (WCB p/n 4000-1014)
  • Bolts are for Brake Discs up to 1/2 in. Thick.
  • Advise Brake Disc Thickness When Ordering to Ensure Correct Bolts
  • Dynamic torque (inch/lb): 353.5 lbf per 100 psi x braking radius
  • Power Factor: 491 Series 5X, 38 Series 1X, 47 Series 2X, 200 Series 4X, 962 Series 10X


DescriptionDouble Acting, Fixed Mount. Use Fixed or Floating Disc
Additional InfoDual Non-Retractable Pistons
Disc Thick. (in.)Custom
Fluid TypeHydraulic Oil
Max. Pressure, PSI1500
Wearable Friction Material3.80 cu. in.
Piston Dia.2.5 In.
Total Pad Area9.14 sq. in.
Fluid Displacement0.147 cu. in.
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