The NTN 6311LLUC4 is a high-quality single row deep groove ball bearing, engineered for reliable performance in various industrial applications. It features a 55mm bore diameter, 120mm outer diameter, and 29mm width. This bearing is equipped with LLU double rubber seals on both sides, providing excellent protection against contaminants and ensuring lubricant retention for extended service life. The C4 internal clearance indicates a greater than normal radial clearance, making it suitable for applications with high speeds, significant temperature variations, or where press fits are used. Manufactured by NTN, a global leader in bearing technology, this bearing offers durability and efficiency.