GF42B 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

• Flange/Foot Mounting

Click here for spec sheet: SALF Spec Sheet

Click here for spec sheets: HUCNPF Spec Sheet

They are also the smoothest

Click here for spec sheet: UCFL Spec Sheet

high impact and abrasion

the SNATFB has an eccentric locking bearing insert

View Catalog PageInstallation & Removal Instructions

No control equipment is required

Release is instantaneous

and setscrews to accommodate a wide variety of application requirements

Click here for spec sheets: SUCST Spec Sheet