NB56 Cast Iron Spur GearBoston 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

Friction discs rotate with the motor shaft and are free to move axially on the hub

Tolerates -5° to 220° F

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• Continuous Duty

Can be mounted vertically or horizontally

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

Boston Gear manufactures both 14 1/2° and 20° PA

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Ball Bearing Type

and setscrews to accommodate a wide variety of application requirements