Fan Cooled: No
Boston Gear spur gears are designed to transmit motion and power between parallel shafts
dimensions are the same (except "z" is longer
a same-hand helix angles must be used
Click here for spec sheet: SALF-H4 Spec Sheet
NB28B-7/8 Steel Spur Gear 0.875" ID Fan Cooled: NoBoston 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