NK80B Cast Iron Spur Gear Bearing Inserts Click here for spec sheets:

Click here for spec sheets: BUC Spec Sheet

1/4"Bore= #6-32 setscrew

Click here for spec sheets: CUCTPA Spec Sheet

stem pinions

Interchangeable with most metal units

NK80B Cast Iron Spur Gear Bearing Inserts Click here for spec sheets: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