GB56B 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

SUCNPFCF has nickel plated housing and stainless steel bearing insert

• One Moving Part

Single-taper

Click here for spec sheets: BUCTFL Spec Sheet

Click here for spec sheets: CUCNPTRS Spec Sheet

Click here for spec sheet: SUCNPP Spec Sheet

High axial load capacity

medium taper

Click here for spec sheets: BUCTPA Spec Sheet

Be sure to ask for the Boston Gear compound steel bushings designed specifically for use with these gears

Click here for spec sheets: BUCNPHA Spec Sheet

Click here for spec sheet: CSA Spec Sheet