GF59A Cast Iron Change Gear 120 Teeth Click here for spec sheet:

Click here for spec sheet: SNASP Spec Sheet

While 20° PA is generally recognized as having a higher load-carrying capacity

self-centering design for use in through-bored components with extremely high torque and/or bending requirements

Provides torque transmission & alignment

Splined Hub

GF59A Cast Iron Change Gear 120 Teeth Click here for spec sheet:Boston 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