Minimization of possible untoward effects on operator by installing VXB005C150CPUF just ask your operator to push and pull, but not carry. 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 200mm = 7.874" 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 Cast Iron and Polyurethane and has a Cast Iron and Polyurethane tire spinning over Roller bearing. Bearing in mind that every caster wheel has the load capacity of 992 lb with a Fixed type. Temperature range is -40 to 180 F. Buy our VXB005C150CPUF, we wish all the best.