Low cost solution to the heavy weight objects movement, Wheel casters like our VXB005200BTPRF are used to roll your machine or equipment back and forth. The wheel diameter is 200mm or 7.874" inch in inches. Dimensions of the caster wheel is 50mm (1.969" inch). The Caster with the wheel from end to end is 240mm = 9.449" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. The Double ball beaing design will enable the Thermoplastic Rubber tire to roll easily with a core made of Thermoplastic Rubber. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 661 lb with a Fixed type. The caster temperature range = -40 to 180 F. Buy our VXB005200BTPRF, we wish all the best.