NJR6 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

maintaining like-new output for thousands of hours of use

Available from 1/6 HP thru 5 HP

All parts are rigidly inspected to assure freedom from porosity and conformance to dimensional tolerances

Meets NEMA MG 1-2016 Standards

clearance over the motor without inverting the speed reducer

just has eccentric locking insert instead of set screw

Ball Bearing Type

high impact & abrasion

Click here for spec sheets: SNASFL Spec Sheet

Click here for spec sheet: HUC Spec Sheet