The Koyo 6003ZZC3 Single Row Ball Bearing is designed for dependable performance in moderate radial and low axial load applications. Made from durable steel, it features a 0.6693 in (17 mm) round bore, 1.378 in (35 mm) outer diameter, and 0.3937 in (10 mm) overall width. With a riveted steel cage and dual shields for added protection, this bearing offers C3 internal clearance for smooth operation and stability. Its single-row design ensures reliable performance, making it a strong choice for light to medium-duty machinery.