... rating:2PR,4PR,6PR or 8PR 3.Ball bearing We manufacture full range of rubber wheel for wheel barrow, hand trolley, hand truck, garden ... cart, wagon, trailer.Main wheel size as below:5”×1.5”, 6” ×2”, 8”, 9 ... ”, 10”, 11”, 12”,13”, 14”, 15”, 16”,18”.PU foam wheel 3.25-81.Tyre Pattern ...