GF61A 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 sheet: SAF Spec Sheet

Pre-Lubricated: No

Provides torque transmission & alignment

self-centering design for use in through-bored components with high torque and/or bending requirements

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the SNASHA has an eccentric locking bearing insert

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Click here for spec sheets: SUCX Spec Sheet

Engineering Data

Click here for spec sheets: SSBSLF Spec Sheet