GF63A 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

14 1/2° PA gears are used extensively because of lower backlash and smoother

• Direct Acting

Just ask your CSR which is best for you

Max V Value: 300 fpm

Click here for spec sheet: SARFB Spec Sheet

And don’t forget Boston Gear’s Guaranteed Same Day Shipment program – revolutionary premium free guaranteed same day shipment for in-stock items

Climax Series C801 Single Nut Locking Assemblies deliver a mechanical interference fit and provides a higher torque capacity over alternative keyed connections

Boston Gear manufactures both 14 1/2° and 20° PA

Click here for spec sheet: SBLF Spec Sheet

Click here for spec sheets: Stand Off Catalog

the CUCSF has a Hard Chrome bearing insert and a Stainless Steel housing

the SNATPA has an eccentric locking bearing insert