The NTN 6903JRXLLUC3/5K is a genuine NTN deep groove ball bearing, designed for applications requiring reliable performance. It features a 17 mm inner diameter, 30 mm outer diameter, and 7 mm width. This bearing is equipped with LLU type contact seals on both sides to protect against contaminants and retain lubricant, making it suitable for environments with dust or moisture. The C3 radial internal clearance indicates a greater than normal clearance, which is beneficial for applications involving high speeds or temperature variations. It is a robust component for various industrial and agricultural machinery.