Mounting VXB012125PFB1 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 165mm = 6.496" inch. Mounted via a Top Plate that has the size of 160mm x 114mm and the holes distance of 129mm x 74mm. This caster wheel core material is Phenolic and 0-180ºC and has a Phenolic and 0-180ºC tire spinning over Roller bearing. Bearing in mind that every caster wheel has the load capacity of 661 lb with a Swivel and Center Brake type. Environment temperature range is -40 to 180 F. Buy our VXB012125PFB1, we wish all the best.