Heavy weight capability and Durability made the wheel casters like the VXB009C150BTWFSPU a must use, get your do it yourself object move around from our Toronto biz. Spinning on wheel that has 150mm diameter/5.906" inch. The thickness of the wheel is 50mm x 2mm or 1.969" inch. The caster dimensions heightwise is 210mm/8.268" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 180mm x 145mm Top Plate: 12mm+housing: 10mm with the holes distance of 140mm x 105mm. This caster wheel core made of Cast iron polyurethane and has a Cast iron polyurethane tire spinning over Precision double ball bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 3307 lb with a Swivel type. The caster wheel temperature range = -40 to 180 F. Buy the VXB009C150BTWFSPU now, we ship on the same day.