This UCF204 square flange block bearing is an essential component for industrial and mechanical applications requiring reliable rotational support. Featuring a 20mm bore diameter, this heavy-duty mounted bearing unit combines a precision bearing insert with a robust cast iron housing designed to withstand demanding operational conditions. The four-bolt square flange configuration provides secure mounting and excellent stability, making installation straightforward on flat surfaces. The self-aligning design automatically compensates for minor shaft misalignment, reducing wear and extending service life. The durable cast iron housing offers superior strength and vibration dampening properties, while the bearing insert ensures smooth rotation under various load conditions. Ideal for conveyors, agricultural equipment, manufacturing machinery, and general power transmission applications, this bearing unit delivers dependable performance in challenging environments. The compact square flange design maximizes mounting flexibility while maintaining a small footprint, perfect for space-constrained installations.