Heavy weight capability and Durability made the wheel casters like the VXB20060CPUT2 a must use, get your do it yourself object move around from our Toronto biz. Spinning on wheel that has 60mm diameter/2.362" inch. The wheel has a width of 60mm=2.362" inch. The caster dimensions heightwise is 48mm/1.890" inch. This wheel mounting is with the dimensions of 38mm x 38mm and holes distance of 129mm x 74mm. Low drag was achieved by a Nylon and Polyvinyl Chloride core on a Nylon and Polyvinyl Chloride tire spinning freely with a Roller bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 77 lb with a Swivel type. Ambient temperature range is -40 to 180 F. Buy the VXB20060CPUT2 now, we ship on the same day.