721-40-H Right Angle Worm Gear Speed Reducer 2.5000" ID Provides greater axial holding power

Provides greater axial holding power than set screw collars

Ratio: 1:1

Allows you room to re-bore the ID without damaging the clamp screws

Click here for spec sheet: SB Spec Sheet

the tooth-contact area of helical gears is very small

721-40-H Right Angle Worm Gear Speed Reducer 2.5000" ID Provides greater axial holding powerOur 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