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High load capacity industrial caster wheels from Xiamen Yirong Hardware Co., Ltd. are built to handle extreme weights in industrial settings, combining exceptional strength with durability to ensure reliable performance under pressure. These casters are constructed using a combination of heavy-duty materials: their wheels feature a core of cast iron or thick steel for structural rigidity, surrounded by a tread of high-strength polyurethane, nylon, or rubber compounded to withstand compression and abrasion. Polyurethane treads, with a Shore hardness of 90-95 A, offer a unique blend of elasticity and strength, supporting loads of 1,000-5,000 kg per caster while absorbing shocks from uneven factory floors—ideal for carts transporting machinery parts or metal components. Nylon wheels, reinforced with glass fibers, excel in environments with oils, solvents, or high temperatures, maintaining performance in auto shops or foundries with loads up to 3,000 kg per caster. The casters’ brackets are made from thick steel (4-8 mm gauge), with welded or bolted joints that resist bending, and coated with anti-corrosion finishes to withstand harsh industrial environments. Precision bearings—often tapered roller bearings—handle both radial and axial loads without overheating, ensuring smooth rotation even under maximum stress. These casters are tested rigorously, withstanding static loads 50% higher than their rated capacity to ensure safety, making them suitable for heavy machinery transport, bulk material handling, and industrial equipment positioning.
