Little or minimum effort can be possible on your operator by installing VXB005200CRB1 just ask your operator to push and pull, but not carry. Spinning on wheel that has 200mm diameter/7.874" inch. Sizes of the caster wheel is 50mm (1.969" inch). The height of the wheel caster is 240mm = 9.449" inch. Mounted via a Top Plate that has a size of 100mm x 115mm and the holes distance of 75mm x 85mm. The Roller bearing design will enable the Rubber tire to roll easily with a core made of Rubber. Each caster wheel will carry the load of 661 lb and is Side brake type. The caster wheel temperature range = -40 to 180 F. Buy the VXB005200CRB1 now, we ship on the same day.