Halifax or Vancouver our Low priced answert to the heavy weight objects movement, Wheel casters like our VXB007050B1 will be rolling your machine or equipment back and forth. Dia. Measured of the caster wheel in metric standard 50mm which is equal to 1.969" inch with imperial units. The thickness of the wheel is 22mm or .866" inch. The Caster with the wheel from end to end is 65mm = 2.559" inch. Mounted via a Top Plate that has a size of 58mm x 48mm and the holes distance of 46mm x 35mm. This caster wheel core made of Rubber and has a Rubber tire spinning over Delrin bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 55 lb with a Swivel and Center Brake type. The caster wheel temperature range = -40 to 180 F. Order the VXB007050B1 now, just add the quantity to basket and click on Checkout.