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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
with internal gears
Self sealing vanes
Click here for spec sheets: SNA Spec Sheet
two-way or three-way shaft configurations
Documentation
NBR10 Steel Stem Pinion 0.313" Width with internal gearsBoston 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
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