Heavy weight capability and Durability made the wheel casters like the VXB004100HPVCF a must use, get your do it yourself object move around from our Toronto biz. Dia. Measured of the caster wheel in metric standard 100mm which is equal to 3.937" inch with imperial units. The thickness of the wheel is 30mm or 1.181" inch. The height of the wheel caster is 130mm = 5.118" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 93mm x 62mm with the holes distance of 45mm x 72mm. The Double ball bearing design will enable the Polyvinyl Chloride tire to roll easily with a core made of Polyvinyl Chloride. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 154 lb with a Rigid type. The Temperature range is -40 to 180 F. Buy the VXB004100HPVCF now, we ship on the same day.