GA57B 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

An instruction bulletin on mounting and hookup are included with each brake

Friction force stops and holds the motor shaft

the ratio should be kept low

Click here for spec sheets: SUCTFL Spec Sheet

USDA/FDA approved

Click here for spec sheets: UCFC Spec Sheet

Click here for spec sheet: SBP Spec Sheet

Easily installed where major disassembly would otherwise be required

Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm

Acetal Copolymer collars will not rust or corrode

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shallow taper