HF721-50-B5-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

Note: This is the spec sheet for the version with cast iron housing and mild steel bearing insert

Boston Air Motors can be stalled or overloaded for long periods of time without damage

• One Moving Part

non-self-centering design for use in counter-bored components

Torque Rating: Not Rated in lb

Click here for spec sheets: HUCNPFL Spec Sheet

self-centering design for use in through-bored components with extremely high torque and/or bending requirements

and cast iron and are manufactured in a variety of styles

stem pinions

Two-piece stainless steel housing units

Numbered motor leads for quick and easy installation

Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years