1. Product Overview The 1726209-2RS1 spherical outer ring insert ball bearing comes with convex spherical outer surface and double-sided 2RS1 metal reinforced contact rubber seal. The spherical outer ring delivers automatic self-aligning performance to offset assembly deflection of shaft and housing, while dual contact seals block dust, crop residues and splashing water effectively. It bears radial load plus slight bidirectional axial load, widely used for medium-duty