GF56A Cast Iron Change GearBoston Gear change gears are used primarily on machine tools to provide different cutting speeds while using a constant speed input. All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together, allowing them to spin on an intermediate shaft. The change gears we stock range from 20 tooth through 128 tooth gears, in one tooth increments, depending upon the diametrical pitch, for a

High axial load and torque capacity and does not mar the shaft

Mounted component remains fixed axially during installation

Pre-Lubricated: No

Brake coil leads connect directly to motor leads so that power is simultaneously supplied to both brake and motor

USDA & FDA approved

Click here for spec sheets: HUCNPF Spec Sheet

and internal gears

To run properly

Engineering Data

Click here for spec sheets: SSBSRFB Spec Sheet

Click here for spec sheets: Stand Off Catalog

Click here for spec sheet: SUCSP Spec Sheet