*MISSING PARTS UNKNOWN* 10-Pack 7" Stem 3" Commercial Nylon Garage Door Rollers, Long Stem Reinforced Wheels for Double Hinge Setups & Heavy Industrial Doors, Fits 3" Tracks

Professional Grade 3-Inch Commercial Nylon Garage Door Rollers Upgrade your high-traffic commercial or industrial doors with our premium 3-inch nylon rollers. Engineered for maximum durability and whisper-quiet performance, these rollers are the definitive solution for demanding environments like warehouses, loading docks, fire stations, and large-scale industrial facilities. Key Features & Technical Excellence: Ultra-Quiet & Smooth Operation: The high-density 3-inch nylon tire is precision-molded to absorb shock and vibration. Unlike standard steel rollers, our nylon construction eliminates harsh metal-on-metal screeching, providing a smooth and peaceful operation even for the heaviest doors. Reinforced Sealed Bearings: Each roller is equipped with premium double-sealed ball bearings. This advanced design locks out dust, grit, and moisture, ensuring zero maintenance and long-lasting efficiency in high-cycle environments. Tested for Longevity: Built to endure the toughest conditions, our rollers have undergone rigorous testing, successfully performing up to 100,000 cycles under a load test. Corrosion-Resistant Steel Stem: The stem is treated with a high-quality zinc coating to resist rust and corrosion, making it ideal for humid or coastal industrial zones. Available in 3 Stem Lengths to Suit Your Specific Needs: 4-Inch Stem (Standard): The ideal replacement for standard single-hinge installations on most commercial and industrial sectional doors. 7-Inch Stem (Long): Specifically designed for heavy-duty doors using double-hinge systems, providing superior lateral stability and preventing door wobble. 9-Inch Stem (Extra Long): The professional’s choice for bottom brackets or triple-hinge setups, offering maximum security and preventing the rollers from popping out under extreme stress. IMPORTANT COMPATIBILITY NOTE: These rollers are ONLY compatible with 3-inch commercial tracks. They are NOT compatible with standard 2-inch residential tracks. Please measure your track width before purchasing to ensure a perfect fit.