GD90A Cast Iron 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

High axial load and torque capacity and does not mar the shaft

Click here for spec sheets: SNA Spec Sheet

Entire unit is UHMW-PE

Click here for spec sheets: BUCTFL Spec Sheet

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

Engineering Data

dimensions are the same (except "z" is longer

Click here for spec sheets: SUCSFLX Spec Sheet

Click here for spec sheets: CUCTFB Spec Sheet

• Compact

ANGULAR DISPLACEMENT — Single 45° — Double 90°