GH71A 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

For wash-down applications in wet or harsh environments or where sanitary conditions are a factor

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Click here for spec sheet: UC Spec Sheet

Double-taper

Reduction Type: Single Reduction Right Angle

Click here for spec sheet: NANFL Spec Sheet

Click here for spec sheets: SUCNPHA Spec Sheet

Click here for spec sheets: SUCNPF Spec Sheet

just has eccentric locking insert instead of set screw

Click here for spec sheets: SUCSP Spec Sheet

Click here for spec sheets: CUCTFB Spec Sheet

see SNA vs SUC pages for bearing insert dimensions)