NFR10 Steel Stem Pinion 2.25" ID Provides greater axial holding power

Provides greater axial holding power than set screw or one-piece clamping collars

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Click here for spec sheet: BUCNPP Spec Sheet

Click here for spec sheets: HUCNPFL Spec Sheet

NFR10 Steel Stem Pinion 2.25" ID Provides greater axial holding powerBoston 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