Thousands of different kinds using our Canada based business to select from to have your office Desk/chair sliding easily right and left, install the VXB20050BPP2B1. Wheel dia. is 50mm or 1.969" inch in inches. Sizes of the caster wheel is 50mm (1.969" inch). The Caster with the wheel from end to end is 60mm = 2.362" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 38mm x 38mm with the holes distance of 129mm x 74mm. Low drag was achieved by a Polypropylene core on a Polypropylene tire spinning freely with a Roller bearing. Each caster wheel will carry the load of 77 lb and is Swivel and Center Brake type. The Temperature range is -40 to 180 F. Buy the VXB20050BPP2B1 now, we ship on the same day.