GH22 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

Click here for spec sheet: BUCTP Spec Sheet

This design allows for the driving pinion to rotate internal to the gear

Click here for spec sheets: HUCNPPA Spec Sheet

Click here for spec sheet: ER Spec Sheet

This may include drilling and tapping mounting holes

Greater load capacity compared to SUCSFCS

helical gears with opposite-hand helix angles are required

Click here for spec sheet: SUCTP Spec Sheet

Collars include stainless steel screws

Material: Glass Filled Teflon

handle high loads at moderate speeds

Allows you room to re-bore the ID without damaging the clamp screws