RBY205 Spherical Insert Bearing 25x52x34.1mm Self-aligning Bearing For Light Industry & Mini Grain Conveying Equipment Product Overview RBY205 is a compact spherical insert ball bearing with double-side extended inner ring and dual grub screw locking design, fully interchangeable with standard YAR205-2F bearing, overall dimension 25×52×34.1mm. It adopts double lip rubber seal plus built-in grease nipple, featuring excellent dustproof performance and automatic self-aligning