Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB005150GBLF. The wheel diameter is 150mm or 5.906" inch in inches. The wheel has a width of 53mm=2.087" inch. The Caster with the wheel from end to end is 195mm = 7.677" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. The weehl core material is Polypropylene core and Rubber and has a Polypropylene core and Rubber tire with a low friction Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 551 lb with a Fixed type. Temperature range is -40 to 180 F. Buy our VXB005150GBLF, we wish all the best.