GF89A 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

USDA & FDA approved

Click here for spec sheet: SNASP Spec Sheet

Heavy guage one-piece housing has rust proof plated finish

Max PV Value: 50

as well as under light loads at high speeds

such as acetal

Click here for spec sheet: SBLP Spec Sheet

Click here for spec sheet: HUCP Spec Sheet

Click here for spec sheet: HUCFL Spec Sheet

Click here for spec sheet: CSB Spec Sheet

Click here for spec sheets: CUCNPFL Spec Sheet

Bost-Bronz® bearings are one of the most effective bearings available for precision performance