[Features] Bearings are used for superior durability. [Uses] Gates, factories, doorways, various warehouses, etc.; [Specifications] Mountain R car type steel frame; Size: 3.0 inches (75 mm); Frame thickness: 0.1 inches (3 mm); Bearing: #6202GG; Car material: S45C; Weight: 3.5 lbs (1,080 g); Load capacity (per 2): 1000 kg; Box quantities of r) When compared with flat type doors the vehicle contact of car ground will be compared to a flat type door. Small enough to resist abrasion. Less type. The load capacity is a reference load bearing in the vertical direction. This load capacity is not applicable for vehicles only. *This item is ordered and cannot be returned. Please acknowledge