Low cost solution to the heavy weight objects movement, Wheel casters like our VXB011125SSPU are used to roll your machine or equipment back and forth. Diameter size of the caster wheel has a metric standard 125mm which is equal to 4.921" inch with imperial units. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 166mm/6.535" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 100mm x 115mm with the holes distance of 75mm x 85mm. The weehl core material is Stainless steel fork and Polyurethane and has a Stainless steel fork and Polyurethane tire with a low friction Double ball beaing. Each caster will carry the load of 507 lb and is Swivel type. Environment temperature range is -40 to 180 F. Buy the VXB011125SSPU now, just add the quantity to basket and click on Checkout.