GH46A 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

self-centering design with mounting flange for use in through-bored components

Pre-Lubricated: No

Click here for spec sheet: SNASP Spec Sheet

Click here for spec sheets: CUCTF Spec Sheet

Click here for spec sheets: CUCNPPA Spec Sheet

Includes 2 set screws

Catalog Product Section

Note: SNA bearings not in catalog

Click here for spec sheet: UCP Spec Sheet

The change gears we stock range from 20-tooth through 128-tooth gears

Click here for spec sheet: CSB Spec Sheet

and most come with a selection of bore diameters