Utilizing VXB004125PVC1 makes it feasible to pull and push items instead of transport And rolling on wheel that has 125mm diameter/4.921" inch. The thickness of the wheel is 30mm or 1.181" inch. Overall height of the wheel caster is 155mm = 6.102" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 93mm x 62mm with the holes distance of 45mm x 72mm. Low drag was achieved by a Polyvinyl Chloride core on a Polyvinyl Chloride tire spinning freely with a Ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 176 lb with a Swivel type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB004125PVC1 in order to get one :).