HF721-50-B5-H-P20 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

Pre-Lubricated: No

They are ideal for

Click here for spec sheet: UCFL Spec Sheet

Click here for spec sheets: SUCNPFCS Spec Sheet

As the air motor turns

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

clearance over the motor without inverting the speed reducer

Note: SNA bearings not in catalog

Click here for spec sheets: SUCNPFB Spec Sheet

Click here for spec sheets: SUCNPTRS Spec Sheet

Click here for spec sheets: SUCTPA Spec Sheet

All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together