4B380R

features

• Incorporates Browning Split Taper Bushing - The only bushing system that provides a true Key-to-Key drive to both the shaft and the hub.
• Combination Groove - All Browning B Sheaves permit the running of A & B Belts to be run in them, thus providing a variety of different pitch diameters and horsepowers.
• Close Grain Cast iron - Close grain cast iron allows Browning to machine our sheaves to the closest tolerances possible.