NB56 Cast Iron Spur Gear 0.3125" ID Click here for spec sheet:

Click here for spec sheet: SAPL Spec Sheet

Click here for spec sheets: HUCNPFL Spec Sheet

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the CUCSF has a Hard Chrome bearing insert and a Stainless Steel housing

NB56 Cast Iron Spur Gear 0.3125" ID Click here for spec sheet: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