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depending upon the diametrical pitch
The different styles offered include spur
Click here for spec sheet: BUCTP Spec Sheet
Friction discs rotate with the motor shaft and are free to move axially on the hub
GA56B Cast Iron Change Gear 3.5" ID depending upon the diametrical pitchBoston 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
