Moves large items quicker using the VXB20050CPUT1B. And rolling on wheel that has 50mm diameter/1.969" inch. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 48mm/1.890" inch. This wheel caster can be mounted using a with the dimensions of 38mm x 38mm and holes distance of 129mm x 74mm. The weehl core material is Nylon and Polyvinyl Chloride and has a Nylon and Polyvinyl Chloride tire with a low friction Roller bearing. Bearing in mind that every caster wheel has the load capacity of 55 lb with a Swivel and Upper Brake type. Temperature range is -40 to 180 F. Buy the VXB20050CPUT1B now, just add the quantity to basket and click on Checkout.