Moves large items quicker using the VXB005150BABLF. The wheel diameter is 150mm or 5.906" inch in inches. The thickness of the wheel is 50mm or 1.969" inch. Overall height of the wheel caster is 190mm = 7.480" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 115mm x 100mm x 6mm with the holes distance of 72mm x 85mm. This caster wheel core material is Aluminum core and Rubber and has a Aluminum core and Rubber tire spinning over Double ball beaing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 551 lb with a Fixed type. Environment temperature range is -40 to 180 F. Buy our VXB005150BABLF, we wish all the best.