GB90A 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

Boston Gear change gears are used primarily on machine tools to provide different cutting speeds while using a constant speed input

Clamping coupling portion will not mar the shaft

Pre-Lubricated: No

Tolerates -5° to 220° F

Keyway: No KWY or Setscrew

Click here for spec sheets: SUCTFL Spec Sheet

These specially designed collars fit over rail assemblies on precision shafting

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

Click here for spec sheet: HUCP Spec Sheet

Click here for spec sheets: CUCNPFCS Spec Sheet

No control equipment is required

Click here for spec sheets: Stand Off Catalog