GA90B 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

Friction discs rotate with the motor shaft and are free to move axially on the hub

Click here for spec sheet: SAPA Spec Sheet

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• Automatic Reset

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

Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market

Spring-lid oil cap can be positioned 4 ways

Click here for spec sheets: SUCNPTRS Spec Sheet

Self-lubricating bearings resist corrosion

These unique two-piece rigid clamping couplings come with an undersized ID

Click here for spec sheet: SUCSP Spec Sheet