The INA NA4903-RSR is a high-quality, genuine INA single-row needle roller bearing with an inner ring. Designed for applications requiring high load capacity within a small radial cross-section, this bearing has an inner diameter of 17 mm, an outer diameter of 30 mm, and a width of 13 mm. It features an RSR contact seal on one side, providing effective protection against contaminants and retaining lubricant, making it suitable for various industrial and agricultural machinery applications. Manufactured by INA, a brand of the Schaeffler Group, this bearing ensures reliable performance and durability.