GH65A 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

Click here for spec sheets: HUCNPF Spec Sheet

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

Click here for spec sheets: SUCSFX Spec Sheet

such as acetal

Can be mounted vertically or horizontally

Click here for spec sheets: SUCNPTRS Spec Sheet

Two-piece stainless steel housing units

Click here for spec sheet: SBP Spec Sheet

Heavy-duty Shrink Disc external clamping device

Keyless Rigid Coupling with high torque and overhung load capacity

Click here for spec sheets: SUCNPPA Spec Sheet