Part Number 22309 is a straight bore spherical roller bearing with CN clearance and steel cage.

23052 CCK/W33,23056 CCK/W33,23056 CCK/W33,22244 CCK/W33,22222 CCK/W33,22222 EK,22224 CK,22222 CK/W33,22212 CC/W33,22212 EK -Spherical Roller Bearing
23052 CCK/W33 – Taper Bore Spherical Roller Bearing (260×400×104 mm) 23056 CCK/W33 – Taper Bore Spherical Roller Bearing (280×420×106 mm) 23056 CCK/W33 – Taper Bore