1. Product Overview The 1726306-2RS1 spherical outer ring insert ball bearing adopts convex spherical outer surface and double-sided 2RS1 metal-reinforced contact rubber seal. The spherical outer race realizes automatic self-aligning function to compensate installation deflection of shaft and housing. Dual contact seals effectively isolate dust, farm mud, crop debris and splashing water. It bears large radial load and obvious bidirectional axial load, widely matched to medium