W.C. Branham - 4251-0001 - H491DB Caliper Disc Brake

1-800-428-1974

Overview

H491DB Caliper Disc Brake

4251-0001

491 series, hydraulic double acting caliper disc brake sized for 1/4 inch thick brake disc.

Aluminum Construction
Hardcoated
Fits on Brake Discs with Unlimited Diameter
Replaceable Friction Pads (WCB p/n 4000-1014)
Internal Crossover Porting
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

Description	Double Acting, Fixed Mount. Use Fixed or Floating Disc
Additional Info	Dual Non-Retractable Pistons
Disc Thick. (in.)	1/4
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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Option 'G' Seals: EPR Seals for DOT 3 Automotive Brake Fluid

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Product Number	Product Name	Description	Additional Info	Disc Thick. (in.)	Fluid Type
4251-0000	H491D	Double Acting, Fixed Mount. Use Fixed or Floating Disc	Dual Non-Retractable Pistons	Custom	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