NO18B Steel Spur GearBoston 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

Click here for spec sheets: SUCNPT Spec Sheet

• Direct Acting

Boston Gear’s internal gears are spur gears turned "inside out

high speed input shaft above the oil level

Output Bore/Shaft Diameter: 1

quietest form of gearing when properly applied

Units can be used in ambient temperatures up to 250°F

Click here for spec sheets: SUCSPA Spec Sheet

All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together

A shifting of the valve changes direction–even when the air motor is running full open

3/16"Bore= #4-40 setscrew

shallow taper