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Reduction Type: Right 90 Series Spiral Bevel
and web with spokes
A shifting of the valve changes direction–even when the air motor is running full open
Laser-marked motor data for 50 Hz and 60 Hz
Collars include stainless steel screws
NAR5 Steel Stem Pinion Pillow Block Bearings Reduction Type: Right 90 SeriesBoston 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
