The NTN 6318LLUC3/5K is a high-quality deep groove ball bearing, part of NTN's robust bearing series, featuring an inner diameter of 90 mm, an outer diameter of 190 mm, and a width of 43 mm. This bearing is equipped with LLU double-lip contact seals on both sides, providing excellent protection against contaminants and ensuring lubricant retention for extended service life. It incorporates C3 radial internal clearance, which is greater than normal, making it suitable for applications with significant temperature variations or potential shaft misalignment. The '5K' suffix denotes a specific NTN internal designation, often related to grease type or manufacturing variant. Constructed from durable high carbon chrome steel, this bearing is designed for reliable performance in various industrial and agricultural machinery applications.