[Features] Bearings are used for superior durability. [Uses] Gates, factories, doorways, various warehouses, etc.; [Specifications] Toro car type steel frame; Size: 4.3 inches (110 mm); Frame thickness: 0.2 inches (4 mm); Bearing: #6204ZZ (Inner diameter 0.8 inches (20 mm) x Outer diameter 1.9 inches (47 mm) x Width 0.6 inches (14 mm); Car material: S45 inches (145 inches (145 mm); Weight capacity for reference vertically . This load capacity is not applicable for vehicles only. *This item is ordered and cannot be returned. Please acknowledge