NDR5 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

Porous flanged bronze bearing is press-fit in sturdy zinc die cast sphere with felt strip for lubrication

Friction discs rotate with the motor shaft and are free to move axially on the hub

Nylatron® GS exhibits excellent abrasion resistance

allowing them to spin on an intermediate shaft

Max PV Value: 50

such as acetal

Available in 1:1 and 2:1 ratios

Bear-N-Bronz® is Boston Gear’s general purpose

oil resistant rubber liner which corrects up to 2° misalignment while reducing vibration & noise

Click here for spec sheet: SUCSPX Spec Sheet

Click here for spec sheets: SNASFL Spec Sheet

Click here for spec sheets: SUCSTRS Spec Sheet