A process cartridge comprises a first unit including an image bearing member in the form of a photosensitive drum having a rotational axis; a second unit including a developer carrying member in the form of a development roller having a rotational axis, said second unit being movable between a contact position in which said developer carrying member contacts said image bearing member and a spaced position in which said developer carrying member is spaced from said image bearing member; a force receiving portion in the form of a force bearing surface capable of receiving from an engageable member provided in said main assembly of the apparatus a force for moving said second unit from the contact position to the spaced position; an urging portion for urging the engageable member to move the engageable member to a retracted position; and a projected portion in the form of a protrusion projected in a direction crossing with the rotational axis of said development roller away from said development roller, wherein said force receiving portion is provided on said projected portion.