GA59B 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

They are available in plastic

Click here for spec sheets: Clamp-Lok Catalog

Click here for spec sheet: HUCPA Spec Sheet

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They are also the smoothest

Click here for spec sheet: UC Spec Sheet

Click here for spec sheet: SNATP Spec Sheet

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

Straight/Spiral Tooth: Straight Tooth

Note: SNA bearings not in catalog

Click here for spec sheets: BUCTFB Spec Sheet

depending upon the diametrical pitch