1. Product Overview UYV 204 2S vertical insert bearing matches vertical cast housing, fitted with double-sided 2S reinforced rubber contact seals and dual symmetric set screws on inner ring. Spherical outer ring provides ±2.5° self-alignment to compensate shaft installation deviation. Double rubber seal structure blocks dust, mud, water splashes and crop residues effectively. Pre-filled high-temperature long-life grease with grease nipple for re-lubrication, widely used in