Halifax or Vancouver our Low priced answert to the heavy weight objects movement, Wheel casters like our VXB20040NYTB will be rolling your machine or equipment back and forth. Wheel dia. is 40mm or 1.575" inch in inches. The wheel has a width of 40mm=1.575" inch. The caster dimensions heightwise is 48mm/1.890" inch. This wheel mounting is with the dimensions of 34mm x 34mm and holes distance of 129mm x 74mm. The weehl core material is Nylon and has a Nylon tire with a low friction Roller bearing. Each caster wheel will carry the load of 55 lb and is Swivel and Upper Brake type. The caster wheel temperature range = -40 to 180 F. Order the VXB20040NYTB now, just add the quantity to basket and click on Checkout.