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always remember that the difference in the number of teeth between the internal gear and pinion should not be less than 15 (14 1/2° PA) or 12 (20° PA)
They are FDA cleared and USDA accepted as non-toxic materials
Click here for spec sheets: BUCNPFB Spec Sheet
the CUCSFCS has a Hard Chrome bearing insert and a Stainless Steel housing
Boston Gear spur gears are designed to transmit motion and power between parallel shafts
NAR8 Steel Stem Pinion 20 Degree Pressure Angle always remember that the differenceBoston 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
