CFC‑209 4‑Bolt Flanged Housed Bearing Unit 45mm for Conveyor Machinery Product Overview CFC‑209 is four‑bolt round flanged housed bearing unit combined with UC209 insert and cast iron housing. Self‑aligning spherical outer ring compensates minor shaft misalignment during field installation. Set‑screw locking fixes insert firmly onto shaft, double‑lip contact seals block dust and moisture. Factory pre‑greased for low‑maintenance running, ready for direct bolt‑on mounting.