QBH20 Non-Metallic Spur Gear 1-3/8" Tube Bearing insert is encased in

Bearing insert is encased in non-conductive

Just ask your CSR which is best for you

For applications involving slow rotating or linear motion

Note: This is the spec sheet for the version with cast iron housing and mild steel bearing insert

QBH20 Non-Metallic Spur Gear 1-3/8" Tube Bearing insert is encased inBoston 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