The Koyo 16006C3 Single Row Ball Bearing is an open-type bearing designed for smooth operation in moderate radial and low axial load applications. It has a 1.1811 in (30 mm) inner diameter, 2.1654 in (55 mm) outer diameter, and 0.3543 in (9 mm) width, with C3 internal clearance to ensure reliable performance under thermal expansion and higher running speeds. Constructed from durable steel with a round bore, riveted steel cage, and open closure, this bearing provides strength, precision, and versatility for a wide range of light to medium-duty machinery and equipment.