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MH47L
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Dual function 47 series mechanical/hydraulic single acting caliper disc brake sized for 3/8 inch thick brake disc.
- Aluminum Construction
- Hardcoated
- Available W.C. Branham Brake Discs: 6 5/16", 8", 10", 12" Diameter
- Fits on Brake Discs up to 18" Diameter
- Replaceable Friction Pads (WCB p/n 4000-1052)
- Non-Asbestos Friction Material
- U.S. Dept. of Defense Approved Friction Pads
- Adjustable Nut for Pad Wear
- Stamped Plated Steel Lever and Machined V-Notch Cam
Hydraulic braking torques:
- Dynamic torque (inch/lb): 144 lbf per 100 psi x braking radius
- Parking/static torque (inch/lb): 72 lbf per 100 psi x braking radius
Mechanical braking torques:
- Dynamic torque (inch/lb) 2.69 x Lever Force (lb.) x braking radius
- Parking/static torque 1.75 x Lever Force (lb) per x braking radius
Cam Lever Travel Data:
- 15º maximum lever travel when friction pads are new and with 1/32" gap on each side of disc.
- Periodic tightening of lock nut will reduce travel of lever and will allow 1/4" wear on each friction pad.
- 90º maximum lever travel after 3/16" wear on each friction pad and without intermediate tightening of lock nut.
- Aluminum Construction
- Hardcoated
- Available W.C. Branham Brake Discs: 6 5/16", 8", 10", 12" Diameter
- Fits on Brake Discs up to 16" Diameter
- Replaceable Friction Pads (WCB p/n 4000-1052)
- Non-Asbestos Friction Material
- U.S. Dept. of Defense Approved Friction Pads
- Adjustable Nut for Pad Wear
- Stamped, Heat Treated One Piece Lever/Cam
Hydraulic braking torques:
- Dynamic torque (inch/lb): 288 lbf per 100 psi x braking radius
- Parking/static torque (inch/lb): 144 lbf per 100 psi x braking radius
Mechanical braking torques:
- Dynamic torque (inch/lb) 7.45 x Lever Force (lb.) x braking radius
- Parking/static torque 3.73 x Lever Force (lb) per x braking radius
Cam Lever Travel Data:
- Gap between friction pad faces and disc when new = .048" total.
- Angular movement of lever required to actuate brake when new = 7º 30'.
- Maximum axial movement without intermediate adjustment = .387".
- .208" total wear allowed before adjustment of each side.
Attributes
| Description |
Single Acting. Fixed Mount. Use Floating Disc |
| Additional Info |
Dual Spring Retractable Pistons |
| Disc Thick. (in.) |
3/8 |
| Fluid Type |
Hydraulic Oil |
| Max. Pressure, PSI |
1000 |
| Seals |
Buna-N |
| Max. Lever Force, lbs. |
450 |
| Wearable Friction Material |
1.66 cu. in. |
| Piston Dia. |
1.625 in. |
| Total Pad Area |
8.00 sq. in. |
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Seals: EPR seals for automotive brake fluid (G)
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Alt View 1 |
| Product Number |
Product Name |
Description |
Additional Info |
Disc Thick. (in.) |
Fluid Type |
| 4004-0828 |
MH47A Caliper Disc Brake |
Single Acting. Fixed Mount. Use Floating Disc |
Dual Spring Retractable Pistons |
5/32 |
Hydraulic Oil |
| 4004-0829 |
MH47AF Caliper Disc Brake |
Single Acting. Floating Mount. Use Fixed Disc |
Dual Spring Retractable Pistons |
5/32 |
Hydraulic Oil |
| 4004-0830 |
MH47B Caliper Disc Brake |
Single Acting. Fixed Mount. Use Floating Disc |
Dual Spring Retractable Pistons |
1/4 |
Hydraulic Oil |
| 4004-0831 |
MH47BF Caliper Disc Brake |
Single Acting. Floating Mount. Use Fixed Disc |
Dual Spring Retractable Pistons |
1/4 |
Hydraulic Oil |
| 4004-0832 |
MH47E Caliper Disc Brake |
Single Acting. Fixed Mount. Use Floating Disc |
Dual Spring Retractable Pistons |
1/2 |
Hydraulic Oil |
| 4004-0833 |
MH47EF Caliper Disc Brake |
Single Acting. Floating Mount. Use Fixed Disc |
Dual Spring Retractable Pistons |
1/2 |
Hydraulic Oil |
| 4004-0835 |
MH47LF Caliper Disc Brake |
Single Acting. Floating Mount. Use Fixed Disc |
Dual Spring Retractable Pistons |
3/8 |
Hydraulic Oil |
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