1. Product Overview The 1726204-2RS1 spherical outer ring insert ball bearing features a spherical outer race and double-sided 2RS1 reinforced contact rubber seal. Its spherical outer surface provides built-in self-aligning capacity to compensate shaft installation deflection and misalignment. Double lip contact seals effectively block dust, crop residues and light water splashes. It bears radial load plus slight bidirectional axial load, widely applied to light-medium duty