Mounting 3inch-Caster-019 is the solution of making your project to move around by pushing. This caster is rolled on a wheel that has 75mm diameter/2.953" inch inches. Dimensions of the caster wheel is 30mm (1.181" inch). The overall height of the caster is 105mm or 4.134" inch. Top Plate is the method of installing the caster to your equipment, the dimensions are 93mm x 62mm with the holes distance of 45mm x 72mm. The Double ball bearing design will enable the Polypropylene tire to roll easily with a core made of Polypropylene. Each caster will carry the load of 176 lb and is Rigid type. Temperature range = -40 to 180 F. Enjoy our 3inch-Caster-019, we wish all the best in your project.