Click here for spec sheet: SBP Spec Sheet
3/16"Bore= #4-40 setscrew
Friction discs rotate with the motor shaft and are free to move axially on the hub
Click here for spec sheets: CUCNPHA Spec Sheet
Click here for spec sheets: SUCSP Spec Sheet
NA120 Cast Iron Spur Gear 7.75" ID Click here for spec sheet:Boston 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