3inch sealed bearing pulley designed for garage door systems, providing smooth sliding without sticking to improve longevity and overall performance. Ideal replacement for old or worn pulleys, suitable for homeowners, garage professionals, and DIY enthusiasts seeking an easy and efficient upgrade. Extra heavyduty design delivers smooth, quiet operation and is capable of handling up to 200 lbs, supporting reliable garage door function. Built for durability with strength, temperature resistance, and corrosion resistance to ensure longterm reliability in varied operating conditions. Designed to old or worn pulleys in standard garage door assemblies, offering compatibility with common residential setups. Key attributes: 3inch size, sealed bearing, strength, temperature resistance, corrosion resistance, and longterm durability for garage door applications. Use scenarios Replacing a worn pulley on a residential overhead garage door to restore smooth, quiet operation and prevent sticking. Maintenance or retrofit by a garage professional on multipledoor installations, improving reliability and reducing noise. DIY project for homeowners upgrading an older garage door pulley to enhance performance and longevity during routine service or spring maintenance.