1.Product Overview LYV 204 2F integrated vertical cast iron bearing unit, matched with UY204-2F insert bearing, equipped with double-sided 2F composite sealing system (metal flinger + inner rubber contact seal) and double symmetric set screws on extended inner ring. Spherical outer ring realizes ±2.5° self-alignment to compensate shaft installation offset. Double-layer 2F seal blocks heavy mud, crop debris, dust and water splash effectively. Built-in grease nipple supports