Utilizing VXB20050CPUT2B makes it feasible to pull and push items instead of transport Diameter size of the caster wheel has a metric standard 50mm which is equal to 1.969" inch with imperial units. The thickness of the wheel is 50mm or 1.969" inch. Overall height of the wheel caster 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. This caster wheel core material is Nylon and Polyvinyl Chloride and has a Nylon and Polyvinyl Chloride tire spinning over Roller bearing. Each caster will carry the load of 55 lb and is Swivel and Upper Brake type. The caster temperature range = -40 to 180 F. Buy the VXB20050CPUT2B now, just add the quantity to basket and click on Checkout.