HF721-5-B5-H-P18 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

mounting on inclined conveyors for frame clearance

quieter operation and higher horsepower capacity than spur gears of comparable size

Pressure Angle: 14-1/2 Degree Pressure Angle

When choosing a mating spur gear

15 service factor

When used with Boston Gear worms

Click here for spec sheet: SAFL Spec Sheet

Spiral Angle: 35 Degrees

Bearing insert is encased in non-conductive

Click here for spec sheets: SUCSP Spec Sheet

Click here for spec sheets: SNASFL Spec Sheet

Straight tooth Miter Gears are cut with a generated “Coniflex” tooth form providing increased life and quieter operating conditions