Just ask your CSR which is best for you
SUCNPFC has nickel plated housing and stainless steel bearing insert
Click here for spec sheet: SBLF Spec Sheet
Note: This is the spec sheet for the version with cast iron housing and mild steel bearing insert
Click here for spec sheets: BUCNPHA Spec Sheet
QBH20 Non-Metallic Spur Gear 1-3/8" Tube Just ask your CSR whichBoston 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