GH90A 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: BUCNPPA Spec Sheet

The pressure plate retracts against torque springs by magnetic force when the magnet is energized

Click here for spec sheet: BUCTP Spec Sheet

Just ask your CSR which is best for you

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Click here for spec sheets: HUCNPFL Spec Sheet

Extra thick non-conductive rubber liner corrects misalignment up to 2° while reducing noise & vibration

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Heavy-duty Shrink Disc external clamping device

Click here for spec sheet: UCFLX Spec Sheet

and most come with a selection of bore diameters

ANGULAR DISPLACEMENT — Single 45° — Double 90°