UCFL204 Two Bolt Oval Flange Mounted Bearing 20mm Shaft Wholesale Cast Iron Pillow Block Bearing For Agricultural Conveyor Machinery Product Overview UCFL204 is a two-bolt oval flanged mounted ball bearing unit, composed of UC204 insert bearing and FL204 cast iron oval housing. Adopting self-aligning spherical outer ring and dual set screw locking design, it effectively compensates installation misalignment and tightly fixes shafts under slight vibration. Equipped with double