GA51B 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

Center Distance: 2

Click here for spec sheet: UCFCX Spec Sheet

Pilot bore can be opened to the nominal ID reflected in the part number

Just ask your CSR which is best for you

the CUCSFB has a Hard Chrome bearing insert and a Stainless Steel housing

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Click here for spec sheets: SUCNPHA Spec Sheet

While 20° PA is generally recognized as having a higher load-carrying capacity

stem pinions

Tolerates -60° to 180° F

Click here for spec sheets: CUCTFB Spec Sheet

the SNATPA has an eccentric locking bearing insert