GA53B 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

High axial load and torque capacity and does not mar the shaft

Porous flanged bronze bearing is press-fit in sturdy zinc die cast sphere with felt strip for lubrication

Provides torque transmission & alignment

Click here for spec sheet: SNASP Spec Sheet

Click here for spec sheet: UCTX Spec Sheet

Click here for spec sheet: SNATP Spec Sheet

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

Single-taper

View Catalog PageInstallation & Removal Instructions

Click here for spec sheets: SUCSFL Spec Sheet

Boston Gear manufactures both 14 1/2° and 20° PA

Acetal Copolymer collars will not rust or corrode