These specially designed collars fit over rail assemblies on precision shafting
3/16"Bore= #4-40 setscrew
You can vary motor speed between 300 and 3
While 20° PA is generally recognized as having a higher load-carrying capacity
Interchangeable with most metal units
YD15-5/8 Steel Spur Gear 1/2" Hub These specially designed collars fitBoston 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