BC1‑0906 Cylindrical Roller Bearing 30x62.2x16mm Open Type for Air Compressor Product Overview BC1‑0906 is special‑size single‑row cylindrical roller bearing widely used on screw air compressors. It is mainly built for heavy radial load, inner ring can slide axially against outer ring during operation. Open‑style construction, no built‑in seals, needs proper grease or oil lubrication at assembly site. Polyamide cage keeps rollers stable under high‑speed continuous running of