Heavy weight capability and Durability made the wheel casters like the VXB005200BTPRB1 a must use, get your do it yourself object move around from our Toronto biz. 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. Low drag was achieved by a Thermoplastic Rubber core on a Thermoplastic Rubber tire spinning freely with a Double ball beaing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 661 lb with a Fixed type. The Temperature range is -40 to 180 F. Order the VXB005200BTPRB1 now, just add the quantity to basket and click on Checkout.