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These specially designed collars fit over rail assemblies on precision shafting
Mounting Position: M1
the SNASFCS has an eccentric locking bearing insert
Allows you room to re-bore the ID without damaging the clamp screws
It is manufactured using the powdered metal process with the purest metal powders
NAR6 Steel Stem Pinion 50mm ID These specially designed collars fitBoston 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
