M47
450 Lb. Max Lever Force - Mechanical Single Acting Caliper Disc Brake, 2x Greater Total Friction Pad Area Than M38
- Cast or extruded aluminum construction
- Hardcoated housing
- Spring retractable piston
- Replaceable, non-asbestos friction pads
- Unlimited disc diameter
- Dynamic Torque (in.lb.) 2.69 x Lever Force (lb.) 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.
- Power Factor: M38FSeries 1X, 200 Series 3.5X
Click image to enlarge
Quick Facts - Dynamic Torque (inch/lb) = 2.69 x Lever Force (lb.) x Braking Radius | Braking Radius = Disc Radius - 0.88 in.
| Model | Dynamic Torque lbf./1 lb. Lever Force | Disc Diameter Range, in. | Bore Diameter, in. | Total Friction Pad Area, in. sq. | Maximum Lever Force, lbf. |
|---|---|---|---|---|---|
| M47 | 2.69 | Unlimited | 1.625 | 4.0 | 450 |
M47 Series
| Product # | Model # | Description | Additional Info | Disc Thick. (in.) | Lever Force (lb.) | |
|---|---|---|---|---|---|---|
| 4004-0134 | M47MA | Single Acting, Fixed Mount. Use Floating Disc | Single Spring Retractable Piston | 5/32 | 450 | |
| 4004-0138 | M47MAF | Single Acting, Floating Mount. Use Fixed Disc | Single Spring Retractable Piston | 5/32 | 450 | |
| 4004-0135 | M47MB | Single Acting, Fixed Mount. Use Floating Disc | Single Spring Retractable Piston | 1/4 | 450 | |
| 4004-0139 | M47MBF | Single Acting, Floating Mount. Use Fixed Disc | Single Spring Retractable Piston | 1/4 | 450 | |
| 4004-0136 | M47ML | Single Acting, Fixed Mount. Use Floating Disc | Single Spring Retractable Piston | 3/8 | 450 | |
| 4004-0140 | M47MLF | Single Acting, Floating Mount. Use Fixed Disc | Single Spring Retractable Piston | 3/8 | 450 | |
| 4004-0137 | M47ME | Single Acting, Fixed Mount. Use Floating Disc | Single Spring Retractable Piston | 1/2 | 450 | |
| 4004-0141 | M47MEF | Single Acting, Floating Mount. Use Fixed Disc | Single Spring Retractable Piston | 1/2 | 450 |