Mounting VXB20060CPU1 is the Low cost solution of making a project to move around by pushing or pulling. The wheel diameter is 60mm or 2.362" inch in inches. Dimensions of the caster wheel is 60mm (2.362" inch). The Caster with the wheel from end to end is 48mm = 1.890" inch. Mounted via a Top Plate that has the size of 38mm x 38mm and the holes distance of 129mm x 74mm. The weehl core material is Nylon and Polyvinyl Chloride and has a Nylon and Polyvinyl Chloride tire with a low friction Roller bearing. Bearing in mind that every caster wheel has the load capacity of 77 lb with a Swivel type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB20060CPU1 in order to get one :).