4251-0066
Model: H491DJR
491 series, hydraulic double acting caliper disc brake with spring retractable pistons. Sized for 5/8 inch thick brake disc.
- Spring Retractable Pistons
- Aluminum Construction
- Hardcoated
- Fits on Brake Discs with Unlimited Diameter
- Replaceable Friction Pads (WCB p/n 4251-1030)
- Internal Crossover Porting
- 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
| Additional Info | Dual Retractable Pistons |
| Description | Double Acting, Fixed Mount. Use Fixed or Floating Disc |
| Disc Thick. (in.) | 5/8 |
| Fluid Displacement | 0.147 cu. in. |
| Fluid Type | Hydraulic Oil |
| Max. Pressure, PSI | 1500 |
| Model # | H491DJR |
| Piston Dia. | 2.5 in. |
| Seals | Buna-N |
| Total Pad Area | 9.14 sq. in. |
| Wearable Friction Material | 3.80 cu. in. |
Click image to enlarge
Downloads
Need Something Specific?
Expecting to find something that isn't here? We'd be happy to help. Just reach out through our contact form and let us know what you need.