GH41A 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

Note: This is the spec sheet for the version with cast iron housing and mild steel bearing insert

Provides greater axial holding power than set screw collars

• One Moving Part

If power fails

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Double-taper

These double C-Face Brakes are direct acting with only one moving part

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worms and worm gears operating together must have the same diametrical pitch and threads

Click here for spec sheet: SAFL Spec Sheet

Click here for spec sheets: CUCTFB Spec Sheet

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