Mounting 6inch-Lock-Swivel-Caster-026 is the solution of making your project to move around by pushing. This caster is rolled on a wheel that has 150mm diameter/5.906" inch inches. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 250mm/9.843" inch. is the method of installing the caster to your equipment, the dimensions are 180mm x 145mm Top Plate: 12mm+housing: 10mm with the holes distance of 140mm x 105mm. Low drag was achieved by a Iron rim and and rubber core on a Iron rim and and rubber tire spinning freely with a Roller bearing. Bearing in mind that every caster wheel has the load capacity of 441 lb with a Swivel and Upper Locking type. The temperature range is -40 to 180 F. Enjoy our 6inch-Lock-Swivel-Caster-026, we wish all the best in your project.