GD71A 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

Traditional cost effective collar design

Just ask your CSR which is best for you

Click here for spec sheets: SNATF Spec Sheet

Includes 2 set screws

Greater load capacity compared to SUCSFCS

Click here for spec sheet: UCFB Spec Sheet

Collars include stainless steel screws

oil resistant rubber liner which corrects up to 2° misalignment while reducing vibration & noise

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

Be sure to ask for the Boston Gear compound steel bushings designed specifically for use with these gears

Click here for spec sheets: HUCNPT Spec Sheet

Click here for spec sheets: SUCSTRS Spec Sheet