H38S | H38D

Single or Double Acting Caliper Disc Brakes

  • Dynamic Torque (inch/lb) 70 lbf per 100 psi x Braking Radius
  • 2.0 sq. in. Total Friction Pad Area
  • Unlimited Disc Diameter Range
  • 1000 PSI (68.95 Bar) Maximum Pressure
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Quick Facts - Dynamic Torque (inch/lb) = Tangential Brake Force (lbf) x Braking Radius (in.) | Braking Radius = Disc Radius - 0.62 in.

Model Tangential Brake Force lbf. (N) / 100 PSI Disc Diameter Range, in. Bore Diameter, in. Total Friction Pad Area, in. sq. Maximum Pressure, PSI (Bar)
H38S | H38D 70 (311)/100 PSI Unlimited 1.125 2.0 1000 (68.95)

H38S (Single Acting) Series

Product # Model Description Additional Info Disc Thick. (in.) Fluid Type
4004-0704 H38SAF Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston 5/32 Hydraulic Oil
4004-0705 H38SBF Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston 1/4 Hydraulic Oil
4004-0708 H38SAFG Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston, EPR Seals 5/32 Dot 3 Brake Fluid
4004-0709 H38SBFG Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston, EPR Seals 1/4 Dot 3 Brake Fluid
4004-0715 H38SA Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston 5/32 Hydraulic Oil
4004-0725 H38SB Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston 1/4 Hydraulic Oil
4004-0726 H38SAG Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston, EPR Seals 5/32 Dot 3 Brake Fluid
4004-0727 H38SBG Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston, EPR Seals 1/4 Dot 3 Brake Fluid
4004-0735 H38SLFG Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston, EPR Seals 3/8 Dot 3 Brake Fluid
4004-0748 H38SL Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston 3/8 Hydraulic Oil
4004-0749 H38SLF Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston 3/8 Hydraulic Oil
4004-0750 H38SE Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston 1/2 Hydraulic Oil
4004-0751 H38SLG Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston, EPR Seals 3/8 Dot 3 Brake Fluid
4004-0768 H38SEG Single Acting, Fixed Mount. Use Floating Disc Single Non-Retractable Piston, EPR Seals 1/2 Dot 3 Brake Fluid
4004-0769 H38SEF Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston 1/2 Hydraulic Oil
4004-0770 H38SEFG Single Acting, Floating Mount. Use Fixed Disc Single Non-Retractable Piston, EPR Seals 1/2 Dot 3 Brake Fluid

H38D (Double Acting) Series

Product # Model Description Additional Info Disc Thick. (in.) Fluid Type
4004-0710 H38DA Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 5/32 Hydraulic Oil
4004-0711 H38DB Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1/4 Hydraulic Oil
4004-0712 H38DAG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons, EPR Seals 5/32 Dot 3 Brake Fluid
4004-0713 H38DBG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1/4 Dot 3 Brake Fluid
4004-0716 H38DEG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons, EPR Seals 1/2 Dot 3 Brake Fluid
4004-0728 H38DL Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 3/8 Hydraulic Oil
4004-0729 H38DE Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1/2 Hydraulic Oil
4004-0730 H38DLG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons, EPR Seals 3/8 Dot 3 Brake Fluid
4004-0752 H38DAR Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons 5/32 Hydraulic Oil
4004-0753 H38DBR Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons 1/4 Hydraulic Oil
4004-0754 H38DER Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons 1/2 Hydraulic Oil
4004-0755 H38DLR Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons 3/8 Hydraulic Oil
4004-0756 H38DARG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons, EPR Seals 5/32 Dot 3 Brake Fluid
4004-0757 H38DBRG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons, EPR Seals 1/4 Dot 3 Brake Fluid
4004-0758 H38DERG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons, EPR Seals 1/2 Dot 3 Brake Fluid
4004-0759 H38DLRG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Spring Retractable Pistons, EPR Seals 3/8 Dot 3 Brake Fluid

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