HRF721-60-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

The kit includes Riser Block

Class “B” rise @ 1

This design allows for the driving pinion to rotate internal to the gear

15 service factor

Click here for spec sheets: CUCNPTRS Spec Sheet

Click here for spec sheet: HUCP Spec Sheet

Collars include stainless steel screws

Click here for spec sheets: SUCNPTRS Spec Sheet

just has eccentric locking insert instead of set screw

Click here for spec sheet: SBF Spec Sheet

Be sure to ask for the Boston Gear compound steel bushings designed specifically for use with these gears

For shafts at 90°