Mounting VXB005200YGVCB1 is the economoical solution of building project to move around by pushing or pulling. Wheel dia. is 200mm or 7.874" inch in inches. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 240mm = 9.449" inch. This wheel mounting is Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. The weehl core material is Polypropylene core and Polyurethane and has a Polypropylene core and Polyurethane tire with a low friction Double ball beaing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 661 lb with a Swivel and Center Brake type. The Temperature range is -40 to 180 F. FYI, you will need to buy the VXB005200YGVCB1 in order to get one :).