GH27B 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

Mounted component remains fixed axially during installation

Click here for spec sheet: SBPA Spec Sheet

Pre-Lubricated: No

Base Mounting Attachment: No Base

Click here for spec sheets: SUC Spec Sheet

When the magnet coil is de-energized

Single-taper

Click here for spec sheet: NAPA Spec Sheet

Click here for spec sheets: BUCTF Spec Sheet

The different styles offered include spur

Collars include stainless steel screws

Click here for spec sheets: SUCSPA Spec Sheet