HRF721-15-B7-H-P21 Right Angle Hollow Shaft Worm Gear Speed ReducerOur standard 700 Series the heart of Boston Gear's speed reducer product line has been serving many industries reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market. But why settle for a knock off when you can have the original from Boston Gear. Specifications Reducer Material Paint: Cast Iron, Standard Paint Reduction Type: Single

USDA & FDA approved

Click here for spec sheet: SALP Spec Sheet

they offer the smoothest

Click here for spec sheet: SAPL Spec Sheet

Click here for spec sheet: NAPA Spec Sheet

Click here for spec sheet: ER Spec Sheet

Click here for spec sheet: UCFB Spec Sheet

the overlapping tooth contact of our helical gears provides smoother

Splines in crease disc life because the many con tact points between hub and discs reduce the concentration of stresses encountered with non-splined hubs having only a few contact points

The change gears we stock range from 20-tooth through 128-tooth gears

depending upon the diametrical pitch

porous bronze bearing material