ND21B-3/4 Steel Spur Gear 7.75" ID Boston Gear spur gears are

Boston Gear spur gears are designed to transmit motion and power between parallel shafts

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and horsepower ratings from 0

O-Rings betweenend bells and housing

ND21B-3/4 Steel Spur Gear 7.75" ID Boston Gear spur gears areBoston Gear spur gears are designed to transmit motion and power between parallel shafts. The different styles offered include spur, gear rack, pinion wire, stem pinions, and internal gears, and most come with a selection of bore diameters, keyways, and setscrews to accommodate a wide variety of application requirements. They are available in plastic, non metallic, brass, steel, and cast iron and are manufactured in a variety of styles, including