[Features] Bearings are used for superior durability. [Uses] Gates, factories, doorways, various warehouses, etc. [Specifications] H type steel frame; Size: 3.9 inches (100 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 (145 mm); Car material: S45 mm); Weight: 7 lbs (2 lbs (2 lbs (2 kg); Load capacity vertical Reference weight capacity in direction. . This load capacity is not applicable for vehicles only. *This item is ordered and cannot be returned. Please acknowledge