NFR7 Steel Stem Pinion 2-1/2" ID Boston Gear’s worm gears provide

Boston Gear’s worm gears provide effective power transmission in applications requiring high-ratio speed reduction in a limited space using right angle (90°)

Click here for spec sheet: UCF Spec Sheet

the Bear-N-Bronz® material can be provided in different sizes

Click here for spec sheets: SUCNPFB Spec Sheet

NFR7 Steel Stem Pinion 2-1/2" ID Boston Gear’s worm gears provideBoston 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