GF20 Steel 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

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

Click here for spec sheet: SALP Spec Sheet

Material: Acetal

Click here for spec sheets: SUCTFB Spec Sheet

Click here for spec sheets: CUCNPF Spec Sheet

Installation & Operation Manual

allows for clean operation

California Provision: WARNING: Cancer and Reproductive Harm - www

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

Be sure to ask for the Boston Gear compound steel bushings designed specifically for use with these gears

3/16"Bore= #4-40 setscrew

For shafts at 90°