Durable steel construction: Built from heavy-duty steel with fixed guide rails to resist wear and deformation. The solid-steel body delivers high strength and long-term flexibility so the wheel stays true under repeated use. Smooth, stable operation: Dual sealed bearings provide low-friction rolling and steady guidance. This reduces vibration and operating noise for quieter, more reliable sliding motion. U-shaped groove for inverted tracks: The unique U-shaped groove is engineered to fit inverted (U-type) track profiles, ensuring precise engagement and stable travel with minimal noise and vibration. High load capacity: Robust casters and a reinforced steel structure support up to 2200 pounds, making this track wheel suitable for heavy-duty doors, gates, and industrial applications. Problem-solving performance: Prevents misalignment, reduces maintenance needs, and enables smoother starts and stops compared with single-bearing or lightly constructed wheels. Ideal where durability and low-noise operation are required. Compatibility and function: Designed for use with inverted/U-shaped track systems. Intended as a replacement or upgrade component for heavy sliding mechanisms where a steel track wheel with fixed rails and double bearings is required. Typical applications: Industrial sliding doors and warehouse gates that require long-lasting guidance and a 2200 lb load rating. Overhead conveyors, stage rigging, or heavy equipment slides where low vibration and quiet operation are important. Heavy residential or commercial sliding systems (barn doors, shop doors) where a robust, wear-resistant wheel will reduce downtime and maintenance. Specifications summary: Material: Steel construction with fixed guide rails Bearing type: Double sealed bearings for smooth, stable sliding Groove design: U-shaped groove for inverted track compatibility Maximum load capacity: 2200 pounds What customers gain: a reliable, high-strength track wheel that reduces noise and vibration, minimizes maintenance, and handles heavy loads without deformation—delivering consistent, professional performance in tough environments.