GD114A 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

Boston Gear offers worm gears manufactured from a variety of materials

Click here for spec sheet: NANF Spec Sheet

Pressure Angle: 20 Degrees

Pressure Angle: 14-1/2 Degree Pressure Angle

Click here for spec sheets: BUC Spec Sheet

Diametral Pitch: 10

and cast iron and are manufactured in a variety of styles

Heavy-duty Shrink Disc external clamping device

Click here for spec sheet: CUCTP Spec Sheet

Click here for spec sheets: BUCNPTRS Spec Sheet

Click here for spec sheets: Stand Off Catalog

the SNATPA has an eccentric locking bearing insert