GA100B 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

• Full Torque Stop

Tolerates -5° to 220° F

Center Distance: 2

Click here for spec sheet: HUCPA Spec Sheet

including plain

Design fully engages the thread for secure locking

Click here for spec sheets: SNATF Spec Sheet

Keyway: No KWY or Setscrew

Self-lubricating ideal for wet or harsh environments where wash down is required

medium taper

Click here for spec sheets: SUCSP Spec Sheet

Click here for spec sheets: BUCNPHA Spec Sheet