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While 20° PA is generally recognized as having a higher load-carrying capacity
When choosing a mating spur gear
Traditional cost effective rigid coupling design
they are ideally suited for applications where normal lubrication is difficult or impossible to provide
G159 Brass Spur Gear 0.375" ID While 20° PA is generallyBoston 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
