GA39 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

KWY/Setscrew/Other: W/ KWY & Setscrews

COMPLETE WITH SETSCREWS

these gears are available only in brass

and web with spokes

• One Moving Part

Click here for spec sheets: SNA Spec Sheet

and 6-foot lengths

Max PV Value: 3

Fan Cooled: No

Housings are made of aluminum alloy with all mounting surfaces precision machined

For shafts at 90°

Intended for light duty applications