Easily installed where major disassembly would otherwise be required
Friction discs are then released and free to rotate with the hub and motor shaft
stem pinions
Movement is limited to a spring loaded pressure plate
Clamping coupling portion will not mar the shaft
NF12 B Steel Spur Gear 2-3/16" Bore Easily installed where major disassemblyBoston 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