[Features] Bearings are used for superior durability. [Uses] Gate doors, factories, entrance doors, various warehouses, etc.; Specifications: H type steel frame; Size: 3.0 inches (75 mm); Frame thickness: 0.1 inches (3 mm); Bearing: #6202G; Car material: S45C; Weight: 3.5 oz (1025 g); Load capacity (per 2): 100 lbs (500 kg); Box quantity: 2 kg); Load capacity is a reference load bearing in vertical direction. This load capacity is not applicable for vehicles only. *This item is ordered and cannot be returned. Please acknowledge