GF37B Cast Iron Change Gear 3/8" Bore self-centering design with mounting flange

self-centering design with mounting flange for use in through-bored components with smaller pitch/outside diameters

Friction force stops and holds the motor shaft

Interchangeable with most metal units

Center Distance: 3

GF37B Cast Iron Change Gear 3/8" Bore self-centering design with mounting flangeBoston 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