GA83B 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

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• Continuous Duty

Provides greater axial holding power than set screw or one-piece clamping collars

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Greater load capacity compared to SUCSFCS

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Can be mounted vertically or horizontally

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Climax Series C801 Single Nut Locking Assemblies deliver a mechanical interference fit and provides a higher torque capacity over alternative keyed connections

Heavy-duty Shrink Disc external clamping device

Housing is crimped together at bolt holes