1. Product Overview UEU 210 2S spherical outer ring vertical insert bearing, matched with standard vertical cast iron housings. Equipped with double-sided 2S reinforced NBR rubber contact seals and two symmetric M10 set screws on extended inner ring. Spherical outer ring delivers ±2.5° self-alignment to compensate shaft installation misalignment. Dual-layer rubber barrier effectively blocks heavy dust, mud splashes, crop residues and splash water. Pre-filled high-temperature