A process cartridge detachably attached to an image forming apparatus includes a first body member, a second body member including an engaging part, in which the second body member is engaged with the first body member by the engaging part and pivotably moves between an open position and a closed position, an image bearing member detachably disposed in the first body member and configured to bear an image on a surface thereof, and a facing mechanism detachably disposed in one of the first body member or the second body member, and arranged around the image bearing member to face the image bearing member.