GA81B 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

Click here for spec sheets: CUCNPFB Spec Sheet

Clamping coupling portion will not mar the shaft

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Click here for spec sheet: NANF Spec Sheet

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Can be mounted vertically or horizontally

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• Standard NEMA Voltages/Frequencies

Click here for spec sheets: SSBSRFB Spec Sheet

Click here for spec sheets: CUCNPFL Spec Sheet

the CUCST has a Hard Chrome bearing insert and a Stainless Steel housing