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Riser blocks permit the speed reducer to be mounted in the most desirable
Click here for spec sheets: SUCNPFB Spec Sheet
Max PV Value: 4
Documentation
NFR7 Steel Stem Pinion 2-1/2" ID Riser blocks permit the speedBoston 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
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