Low cost solution to the heavy weight objects movement, Wheel casters like our VXB018-60F/S are used to roll your machine or equipment back and forth. The wheel diameter is 50mm or 1.969" inch in inches. Dimensions of the caster wheel is 50mm (1.969" inch). The caster dimensions heightwise is 85mm/3.346" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 73mm x 73mm x 5mm and holes distance of 58mm x 58mm. This caster wheel core material is aluminum alloy and Nylon and has a aluminum alloy and Nylon tire spinning over Ball bearing. Bearing in mind that every caster wheel has the load capacity of 551 lb with a type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB018-60F/S in order to get one :).