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H491D Caliper Disc Brake  NEW!


Attributes | Quote | Options | Downloads | Related H491D

4251-0000

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
  • Parking/static torque (inch/lb): 211 lbf per 100 psi x braking radius
  • Power Factor: 491 Series 5X, 38 Series 1X, 47 Series 2X, 200 Series 4X, 962 Series 10X

 

Attributes


Description Double Acting, Fixed Mount. Use Fixed or Floating Disc
Additional Info Dual Non-Retractable Pistons
Disc Thick. (in.) Custom
Fluid Type Hydraulic Oil
Max. Pressure, PSI 1500
Seals Buna-N
Wearable Friction Material 3.80 cu. in.
Piston Dia. 2.5 In.
Total Pad Area 9.14 sq. in.
Fluid Displacement 0.147 cu. in.

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Options

Option 'G' Seals:  EPR Seals for DOT 3 Automotive Brake Fluid

Downloads


Dimension View (398KB JPG)
DWG Cad File (317KB DWG)
DXF Cad File (521KB DXF)
STEP Cad File (328KB STP)
Product Number Product Name Description Additional Info Disc Thick. (in.) Fluid Type
4251-0001 H491DB Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1/4 Hydraulic Oil
4251-0002 H491DBG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1/4 Dot 3 Brake Fluid
4251-0003 H491DE Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1/2 Hydraulic Oil
4251-0004 H491DEG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1/2 Dot 3 Brake Fluid
4251-0005 H491DT Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 3/4 Hydraulic Oil
4251-0006 H491DTG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 3/4 Dot 3 Brake Fluid
4251-0007 H491DO Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1.0 Hydraulic Oil
4251-0008 H491DOG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1.0 Dot 3 Brake Fluid
4251-0009 H491DQ Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1-1/8 Hydraulic Oil
4251-0010 H491DQG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 1-1/8 Dot 3 Brake Fluid
4251-0035 H491DL Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 3/8 Hydraulic Oil
4251-0036 H491DLG Double Acting, Fixed Mount. Use Fixed or Floating Disc Dual Non-Retractable Pistons 3/8 Dot 3 Brake Fluid
 
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