GA50 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

High axial load and torque capacity and does not mar the shaft

Clamping coupling portion will not mar the shaft

Pilot bore can be opened to the nominal ID reflected in the part number

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

Click here for spec sheets: SUCSFCS Spec Sheet

Available in 1:1 and 2:1 ratios

Drop-in replacement for commonly used hex nut keyless bushings

two-way or three-way shaft configurations

Click here for spec sheets: CUCNPFL Spec Sheet

Click here for spec sheet: UCFLX Spec Sheet

Click here for spec sheet: SUCSPX Spec Sheet

and steel gear rack in 1