GH75A 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

Ideal for washdown environments & is USDA approved

Input Style: F Standard Quill Flange

Click here for spec sheets: SUCSF Spec Sheet

non-metallic

Drop-in replacement for commonly used hex nut keyless bushings

While 20° PA is generally recognized as having a higher load-carrying capacity

Click here for spec sheets: SUCX Spec Sheet

Two-Piece Housing has rust-proof plated finish

Click here for spec sheet: SBRFB Spec Sheet

Click here for spec sheets: HUCNPT Spec Sheet

Click here for spec sheets: SSB Spec Sheet

Click here for spec sheet: CSA Spec Sheet