HF721-25-B7-H-P17 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

14 1/2° PA gears are used extensively because of lower backlash and smoother

Class “B” rise @ 1

Number of Threads: Single Thread

Max PV Value: 20

Click here for spec sheets: SUC Spec Sheet

Boston Gear worms provide an effective answer for power transmission applications requiring high ratio speed reduction in a limited space using right angle (90°)

Recommended Lubrication: Klubersynth UH1 6-460

two-way or three-way shaft configurations

Riser blocks permit the speed reducer to be mounted in the most desirable

Spiral Angle: 35 Degrees

Click here for spec sheets: HUCNPT Spec Sheet

Keyway Size: No KWY or Setscrew