GA30 Steel Change GearBoston 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

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

and web with spokes

It is a high grade

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

Click here for spec sheets: CUCNPHA Spec Sheet

Straight/Spiral Tooth: Spiral Tooth

Ideal for space constrained areas

heavy-duty gear drives are built to simplify maintenance and provide consistently reliable operation

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

full-depth system gears

Spring-lid oil cap can be positioned 4 ways

Housing is crimped together at bolt holes