Mounting VXB009C125BTWFSPUF is the Low cost solution of making a project to move around by pushing or pulling. The wheel diameter is 125mm or 4.921" inch in inches. Dimensions of the caster wheel is 50mm x 2mm (1.969" inch). Overall height of the wheel caster is 195mm = 7.677" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 180mm x 145mm Top Plate: 12mm+housing: 10mm and holes distance of 140mm x 105mm. The weehl core material is Cast iron polyurethane and has a Cast iron polyurethane tire with a low friction Precision double ball bearing. Each caster will carry the load of 3307 lb and is Fixed type. Environment temperature range is -40 to 180 F. Buy our VXB009C125BTWFSPUF, we wish all the best.