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Smooth rolling caster wheels from Xiamen Yirong Hardware Co., Ltd. are designed to deliver effortless movement across surfaces, prioritizing low friction, quiet operation, and consistent performance. These casters achieve their smoothness through a combination of advanced materials and precision engineering: their wheels are crafted from polyurethane, rubber, or nylon with a carefully calibrated hardness (60-85 Shore A) that balances flexibility (to absorb minor surface irregularities) with rigidity (to maintain shape under load). The wheel hubs contain high-precision bearings—either ball bearings for light to medium loads or roller bearings for heavier applications—that reduce internal friction, ensuring the wheel spins freely with minimal resistance. For swivel casters, the raceway is machined to tight tolerances, with hardened steel balls that allow 360-degree rotation without binding, enabling easy direction changes. Tread patterns are smooth or subtly grooved, minimizing contact with debris or surface textures that could cause uneven rolling or noise. These casters are available in sizes ranging from 1.5 inches (for small furniture) to 10 inches (for medium-duty carts), with load capacities from 20 kg to 800 kg, making them suitable for everything from office chairs and filing cabinets to laboratory equipment and retail display carts. Whether used on hardwood floors, carpet, or concrete, smooth rolling caster wheels ensure movement is effortless, quiet, and consistent.
