Heavy weight capability and Durability made the wheel casters like the VXB012150PFB1 a must use, get your do it yourself object move around. The wheel diameter is 150mm or 5.906" inch in inches. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 190mm/7.480" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 160mm x 114mm with the holes distance of 129mm x 74mm. This caster wheel core material is Phenolic and 0-180ºC and has a Phenolic and 0-180ºC tire spinning over Roller bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 882 lb with a Swivel and Center Brake type. Environment temperature range is -40 to 180 F. Buy our VXB012150PFB1, we wish all the best.