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Variable speed
enlarged pitch diameter minimizes the undercutting of the teeth
they are ideally suited for applications where normal lubrication is difficult or impossible to provide
These specially designed collars fit over rail assemblies on precision shafting
Reduction Type: Right 90 Series Spiral Bevel
YD21-7/8 Steel Spur Gear 1-3/4" Plain Bore Variable speedBoston 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
