1. Product Overview LSU 205 2F integrated vertical V-shaped grey cast iron bearing unit, matched with YAR205-2F double set screw insert bearing with extended inner ring. Double-sided 2F composite seal adopts metal centrifugal flinger plus NBR rubber lip two-stage labyrinth barrier. Two symmetric M5 set screws lock inner ring for stable bidirectional forward & reverse rotation. Spherical outer ring provides ±2.5° self-alignment to compensate shaft assembly deviation. Dual