High-quality bearing roller designed for smooth, quiet, and durable operation Key benefits Smooth, low-noise operation: Embedded SUS420 stainless steel bearings deliver smooth rolling with low friction and reduced noise for quieter systems. High load capacity and precision: Designed for high-pressure accuracy and precise performance under load, supporting robust, reliable operation. Durable and wear-resistant: Made from medium-carbon steel with close forging and high-hardness treatment for long service life and strong wear resistance. Clean, safe finish: High-precision multi-stage machining and surface treatment produce smooth, burr-free surfaces, uniform tension and an attractive appearance. Features and materials Bearings: Embedded SUS420 stainless steel bearings for corrosion resistance and stable rotation. Body: Medium-carbon steel, closely forged and hardened for strength and durability. Machining and finish: High-precision machining, smooth surface finish without burrs, consistent tension and a refined look. Performance attributes: Low resistance, smooth rolling, reduced noise, high hardness, robust load-bearing capability. Weight: Product weight 1256 kilograms. Compatibility and functions Designed for use where smooth, quiet, and heavy-duty rolling is required. Compatible with household sliding doors, wardrobes, large iron doors, curtain systems, automation equipment components, and factory track pulleys. Suitable for installations demanding precise, durable rollers that maintain low noise and consistent performance. Typical use scenarios Residential sliding systems: Ideal for heavy sliding doors and wardrobes where quiet, smooth movement and long-term durability are required. Industrial applications: Use as pulleys or rollers in factory tracks and automation equipment where high hardness, precision machining and wear resistance are necessary. Commercial doors and curtains: Fits large iron doors or heavy curtain systems that need robust load-bearing rollers with low friction and reduced noise. Why choose this roller Combines SUS420 stainless steel bearings with hardened medium-carbon steel construction for a balance of corrosion resistance, strength and precision. Engineered for minimal friction, quieter operation and long-lasting performance in both residential and industrial settings. Delivered with a refined, burr-free finish for safer handling and professional appearance.