GA90B Cast Iron Change Gear 45mm ID Design fully engages the thread

Design fully engages the thread for secure locking

Click here for spec sheets: SUCSF Spec Sheet

Self-lubricating bearings resist corrosions

Entire unit is UHMW-PE

Housing is crimped together at bolt holes

GA90B Cast Iron Change Gear 45mm ID Design fully engages the threadBoston 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