Moves large items quicker using the VXB009C300BFS. The wheel diameter is 300mm or 11.811" inch in inches. The wheel has a width of 75mm=2.953" inch. The caster dimensions heightwise is 365mm/14.370" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 200mm x 153mm Top Plate: 14mm+housing: 10mm with the holes distance of 160mm x 90mm. The weehl core material is Cast iron polyurethane and has a Cast iron polyurethane tire with a low friction Precision double ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 3307 lb with a Swivel type. Environment temperature range is -40 to 180 F. Buy our VXB009C300BFS, we wish all the best.