721-40-H Right Angle Worm Gear Speed Reducer 2.5000" ID the tooth-contact area of helical

the tooth-contact area of helical gears is very small

Click here for spec sheets: Stand Off Catalog

Provides greater axial holding power than set screw collars

Boston Gear’s worm gears provide effective power transmission in applications requiring high-ratio speed reduction in a limited space using right angle (90°)

721-40-H Right Angle Worm Gear Speed Reducer 2.5000" ID the tooth-contact area of helicalOur 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