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Click here for spec sheets: SUCNPFCS Spec Sheet
Step Down Adapters are ideal for making the shaft smaller
They are also the smoothest
Class “B” rise @ 1
NFR6 Steel Stem Pinion 5.50" ID Click here for spec sheets:Boston Gears stem pinions feature small numbers of teeth that are cut integral to the steel shaft. Using a special, enlarged pitch diameter minimizes the undercutting of the teeth. When run with standard stock spur gears, stem pinions increase the ratios normally found in spur gear drives. Please note: Stem pinions are not intended to be operated with each other, with internal gears, or with eleven tooth spur gears. They will, however, run
