Mounting VXB013150WBCPU is the Low cost solution of making a project to move around by pushing or pulling. The wheel diameter is 150mm or 5.906" inch in inches. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 222mm = 8.740" inch. Mounted via a Top Plate that has the size of 140mm x 108mm and the holes distance of 105mm x 75mm. Low drag was achieved by a Polyurethane and Cast iron core core on a Polyurethane and Cast iron core tire spinning freely with a Ball bearing. 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 Swivel type. Temperature range is -40 to 180 F. Buy our VXB013150WBCPU, we wish all the best.