The Koyo 6013NRC3 Single Row Ball Bearing is engineered from durable steel and designed for reliable performance in demanding applications. Featuring a 2.5591 in (65 mm) round bore, 3.937 in (100 mm) outer diameter, and 0.7087 in (18 mm) overall width, it incorporates a riveted steel cage with an open closure design. With C3 internal clearance and a snap ring on the outer ring for secure positioning, this single-row bearing ensures smooth operation and stability, making it well-suited for applications requiring support for moderate radial and low axial loads.