GB115A 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

• Full Torque Stop

Provides greater axial holding power than set screw collars

Click here for spec sheets: SUCNPT Spec Sheet

Click here for spec sheet: UCX Spec Sheet

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

Click here for spec sheets: BUC Spec Sheet

• Continuous Duty

Diametral Pitch: 8

Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market

Boston Gear spur gears are designed to transmit motion and power between parallel shafts

Easily installed where major disassembly would otherwise be required

Click here for spec sheets: HUCNPT Spec Sheet