GA93B 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

• Flange/Foot Mounting

Click here for spec sheet: UCTRS Spec Sheet

in one tooth increments

Single-taper

Click here for spec sheets: CUCNPHA Spec Sheet

such as acetal

Click here for spec sheets: UCFC Spec Sheet

When used with Boston Gear worms

Click here for spec sheets: SUCSHA Spec Sheet

Bearing insert is encased in non-conductive

Click here for spec sheets: BUCNPHA Spec Sheet

Acetal Copolymer collars will not rust or corrode