NO12B Steel Spur Gear Relubricatable just has eccentric locking insert

just has eccentric locking insert instead of set screw

and hardened and unhardened steel

They have proven to be efficient under heavy loads at moderate speeds

helical gears with opposite-hand helix angles are required

NO12B Steel Spur Gear Relubricatable just has eccentric locking insertBoston 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