GH74A Cast Iron Change Gear Take Up Bearings These specially designed collars fit

These specially designed collars fit over rail assemblies on precision shafting

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

• Dependable

Step Down Adapters are ideal for making the shaft smaller

The different styles offered include spur

GH74A Cast Iron Change Gear Take Up Bearings These specially designed collars fitBoston 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