Mounting VXB009150BCPUB is the economoical solution of building project to move around by pushing or pulling. Spinning on wheel that has 150mm diameter/5.906" inch. The wheel has a width of 50mm=1.969" inch. The height of the wheel caster is 205mm = 8.071" inch. This wheel mounting is Top Plate with the dimensions of 138mm x 110mm x 10mm and holes distance of 110mm x 75mm. The weehl core material is Cast iron polyurethane and has a Cast iron polyurethane tire with a low friction Precision double ball bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 992 lb with a Swivel and Upper Brake type. The Temperature range is -40 to 180 F. FYI, you will need to buy the VXB009150BCPUB in order to get one :).