GF54A Cast Iron Change Gear 4.1875" ID Heavy-duty Shrink Disc external clamping

Heavy-duty Shrink Disc external clamping device

Note: SNA bearings not in catalog

Bost-Bronz® bearings are one of the most effective bearings available for precision performance

Click here for spec sheets: BUCNPFCS Spec Sheet

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GF54A Cast Iron Change Gear 4.1875" ID Heavy-duty Shrink Disc external clampingBoston 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