GA42 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

Click here for spec sheet: UCTX Spec Sheet

solid bronze bearing material

and web with spokes

In addition

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

1/4"Bore= #6-32 setscrew

Click here for spec sheet: UCFX Spec Sheet

handle high loads at moderate speeds

Click here for spec sheets: SUCSHA Spec Sheet

Type: Flanged

Diametral Pitch: 12

Click here for spec sheets: SUCNPPA Spec Sheet