Mounting VXB005150CB1 is the Low cost solution of making a project to move around by pushing or pulling. The wheel diameter is 150mm or 5.906" inch in inches. The wheel has a width of 50mm=1.969" inch. The caster dimensions heightwise is 193mm/7.598" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. Low drag was achieved by a Cast iron core on a Cast iron tire spinning freely with a Roller bearing. Bearing in mind that every caster wheel has the load capacity of 617 lb with a Swivel and Center Brake type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005150CB1 in order to get one :).