Rocol sapphire aqua 2 multi purpose water resistant ep bearing grease rocol 12751 this high performance grease from rocol is designed to give superior resistance to water washout it is suitable for use in all types of ball roller and plain bearings and excels in applications such as scrapers rakes dockside cranes water pumps boat trailers and similar applications where bearings pins bushes slides etc are subjected to extremely wet conditions rocol 12751 sapphire aqua 2 multi purpos