NAR6 Steel Stem Pinion 50mm ID These specially designed collars fit

These specially designed collars fit over rail assemblies on precision shafting

Click here for spec sheet: SB Spec Sheet

Click here for spec sheet: UCF Spec Sheet

Mounting Position: M1

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