Wheel casters like the 5inch-Swivel-Caster-014 are used to roll your built machine or equipment back and forth. This wheel caster has a wheel diameter of 125mm or 4.921" inch in inches. The wheel has a width of 30mm=1.181" inch. The caster dimensions heightwise is 155mm/6.102" inch. Mounted via a Top Plate that has the size of 93mm x 62mm and the holes distance of 45mm x 72mm. Rolling with a wheel core material of Thermoplastic Rubber and a Thermoplastic Rubber tire rolled over Double ball bearing. Bearing in mind that every caster wheel has the load capacity of 220 lb with a Swivel type. The temperature range is -40 to 180 F. Enjoy our 5inch-Swivel-Caster-014, we wish all the best in your project.