NAR8 Steel Stem PinionBoston 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

web with lightening holes

Smooth exterior with no mounting feet

Max V Value: 400 fpm

Material: Virgin PTFE with Fillers

non-metallic

or in any position so long as adequate lubrication is provided and end thrust is kept to design limits

• Automatic Reset

When choosing a mating spur gear

Click here for spec sheets: HUCNPFL Spec Sheet

Click here for spec sheet: CSB Spec Sheet

Type: Cored Bar

Click here for spec sheet: UCT Spec Sheet