Minimization of possible untoward effects on operator by installing VXB007050PF just ask your operator to push and pull, but not carry. And rolling on wheel that has 50mm diameter/1.969" inch. Dimensions of the caster wheel is 22mm (.866" inch). The caster dimensions heightwise is 65mm/2.559" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 58mm x 48mm and holes distance of 46mm x 35mm. The - design will enable the Plastic tire to roll easily with a core made of Plastic. Each caster will carry the load of 88 lb and is Fixed type. The caster temperature range = -40 to 180 F. Buy our VXB007050PF, we wish all the best.