GH38B 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

COMPLETE WITH SETSCREWS

Documentation

the SNASFCS has an eccentric locking bearing insert

• Automatic Reset

Click here for spec sheet: NAPA Spec Sheet

Includes 2 set screws

But why settle for a knock-off when you can have the original - from Boston Gear

Fan Cooled: No

Two-piece stainless steel housing units

Click here for spec sheets: BUCTFB Spec Sheet

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

Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm