1. Product Overview LES 206 2F is a medium-size metric insert ball bearing with spherical outer ring and dual-sided 2F multi-layer labyrinth sealing assembly. Equipped with double M6 set screws on extended dual-side inner ring, it delivers stable shaft locking for forward and reverse rotation. The exclusive 2F structure combines metal anti-dust flinger and NBR rubber lip seal to block crop debris, mud and industrial dust; factory pre-filled with long-life grease and reserved