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helical gears with opposite-hand helix angles are required
It is equally important that worms and worm gears used together must have the same diametrical pitch and threads
Porous flanged bronze bearing is press-fit in sturdy zinc die cast sphere with felt strip for lubrication
Documentation
Click here for spec sheet: CUCNPP Spec Sheet
NBR10 Steel Stem Pinion 0.313" Width helical gears with opposite-hand helixBoston 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
