GB52B 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: UCHA Spec Sheet

B-Type Seals

Click here for spec sheets: SUCSFCS Spec Sheet

Design fully engages the shaft without marring

Click here for spec sheets: SUCNPHA Spec Sheet

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 sheets: SUCSFLX Spec Sheet

Click here for spec sheet: UCFLX Spec Sheet

One-Piece Housing has rust-proof plated finish

Keyless Rigid Coupling with high torque and overhung load capacity

Click here for spec sheets: SNASFL Spec Sheet