VXB005100FPB1 is a device comprising a wheel that's connected to the base of a huge object like a trailers, your home furniture, even your truck to transfer the item more quickly and readily. them.You need {Item Name} to have your office desk, equipment or even a machine to easily roll them around. The wheel diameter is 100mm or 3.937" inch in inches. The thickness of the wheel is 45mm or 1.772" inch. The caster dimensions heightwise is 145mm/5.709" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 100mm x 115mm with the holes distance of 75mm x 85mm. This caster wheel core material is co-polypropylene and has a co-polypropylene tire spinning over Double ball beaing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 551 lb with a Swivel and Center Brake type. The caster temperature range = -40 to 180 F. Buy our VXB005100FPB1, we wish all the best.