The Flange Disc Bearing FD209RA offers a 1-3/4" round bore with a reliable, durable design perfect for a variety of agricultural and industrial applications. Manufactured by Dura-Roll Bearings, this bearing features a flanged design for secure mounting and long-lasting performance in demanding environments. It is an ideal replacement for ST491A and is designed to withstand high loads and reduce maintenance for extended use. Trusted by professionals for its strength and precision, this bearing provides superior performance in disc harrows, agricultural machinery, and other heavy-duty applications.