14 1/2° PA gears are used extensively because of lower backlash and smoother
Number of Threads: Quad Thread
see SNA vs SUC pages for bearing insert dimensions)
As a result
These double C-Face Brakes are direct acting with only one moving part
Y3264 Brass Spur Gear 4.937" ID 14 1/2° PA 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