GH31B 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 sheets: CUCNPFB Spec Sheet

self-centering design with mounting flange for use in through-bored components

Tolerates -5° to 220° F

Boston Miter Gears are designed for the transmission of motion and power between two intersecting shafts positioned at a right angle

Step Up Adapters are ideal for making the shaft larger

Friction discs are then released and free to rotate with the hub and motor shaft

Click here for spec sheets: HUCNPFL Spec Sheet

full-depth system gears

• Splined Hub

Click here for spec sheet: CSB Spec Sheet

Two-Piece Housing has rust-proof plated finish

Click here for spec sheets: SUCNPPA Spec Sheet