Mounting VXB005125APVCF is the Low cost solution of making a project to move around by pushing or pulling. And rolling on wheel that has 125mm diameter/4.921" inch. The thickness of the wheel is 50mm or 1.969" inch. The Caster with the wheel from end to end is 167mm = 6.575" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. The weehl core material is Polyurethane and has a Polyurethane tire with a low friction Double ball beaing. Each caster will carry the load of 507 lb and is Fixed type. The caster temperature range = -40 to 180 F. Buy our VXB005125APVCF, we wish all the best.