[Features] Bearings are used for superior durability. [Uses] Gates, factories, doorways, various warehouses, etc.; [Specifications] Toro car type steel frame; Size: 3.5 inches (90 mm); Frame thickness: 0.2 inches (4 mm); Bearing: #6203ZZ (Inner diameter 0.7 inches (17 mm) x Outer diameter 1.6 inches (40 mm) x Width 0.5 inches (12 mm); Car material: S45 inches (1 mm); Weight capacity is a vertical reference load capacity for reference load-2 lbs (7000 lbs (70 kg). This load capacity is not applicable for vehicles only. *This item is ordered and cannot be returned. Please acknowledge