Thousands of different kinds using our Canada based business to select from to have your office Desk/chair sliding easily right and left, install the VXB009C125BFSB. Wheel dia. is 125mm or 4.921" inch in inches. Sizes of the caster wheel is 75mm (2.953" inch). The height of the wheel caster is 185mm = 7.283" inch. Mounted via a Top Plate that has a size of 200mm x 153mm Top Plate: 14mm+housing: 10mm and the holes distance of 160mm x 90mm. This caster wheel core made of Cast iron polyurethane and has a Cast iron polyurethane tire spinning over Precision double ball bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 2205 lb with a Swivel and Upper Brake type. The caster wheel temperature range = -40 to 180 F. Buy the VXB009C125BFSB now, we ship on the same day.