The 3/4″ × 1-3/8″ flange sealed deep groove ball bearing F103 2RS, also known as F6003 or F-600-3, is a widely used flanged miniature ball bearing designed for stable rotation, low noise, and high durability. With a precise inch-size structure measuring 19.05 mm × 34.925 millimetro, this bearing is engineered by NKMB, a brand recognized …