GH56A 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

A manual release is also provided

KWY/Setscrew/Other: No KWY or Setscrew

Click here for spec sheet: UCHA Spec Sheet

Includes 2 rubber grommets to reduce vibration & noise

Click here for spec sheets: SSER Spec Sheet

These specially designed collars fit over rail assemblies on precision shafting

Max P Value: 480 psi

Click here for spec sheets: CUCNPFCS Spec Sheet

Allows you room to re-bore the ID without damaging the clamp screws

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

Acetal Copolymer collars will not rust or corrode

Click here for spec sheets: SSBSLF Spec Sheet