Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB005150BABLB1. And rolling on wheel that has 150mm diameter/5.906" inch. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 190mm = 7.480" inch. Mounted via a Top Plate that has the size of 115mm x 100mm x 6mm and the holes distance of 72mm x 85mm. Low drag was achieved by a Aluminum core and Rubber core on a Aluminum core and Rubber tire spinning freely with a Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 551 lb with a Swivel type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB005150BABLB1 in order to get one :).

6" Inch Heavy Duty Caster Wheel 551 pounds Swivel Aluminum core and Rubber Top Plate

VXB005150BABLB1