GF42B Cast Iron Change Gear 2-5/16" ID quietest form of gearing when

quietest form of gearing when properly applied

the SNATFB has an eccentric locking bearing insert

non-intersecting shafts

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

As a result

GF42B Cast Iron Change Gear 2-5/16" ID quietest form of gearing whenBoston 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