GF35B 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

Click here for spec sheet: UCFCS Spec Sheet

in one tooth increments

Click here for spec sheet: NAT Spec Sheet

Note: This is the spec sheet for the set screw Locking version

Click here for spec sheets: BUC Spec Sheet

Click here for spec sheet: SBLP Spec Sheet

Diametral Pitch: 10

the SNATFB has an eccentric locking bearing insert

Click here for spec sheet: NAP Spec Sheet

Click here for spec sheet: SA Spec Sheet

Click here for spec sheets: SUCSP Spec Sheet

white or any other color