Mounting VXB005125BABLB1 is the Low cost solution of making a project to move around by pushing or pulling. The wheel diameter is 125mm or 4.921" inch in inches. The thickness of the wheel is 50mm or 1.969" inch. The Caster with the wheel from end to end is 164mm = 6.457" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 115mm x 100mm x 6mm with the holes distance of 72mm x 85mm. The Double ball beaing design will enable the Aluminum core and Rubber tire to roll easily with a core made of Aluminum core and Rubber. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 441 lb with a Swivel type. Environment temperature range is -40 to 180 F. Buy our VXB005125BABLB1, we wish all the best.