A cartridge insertable into a main assembly of an image forming apparatus includes a first unit including a first bearing portion for supporting an image bearing member, a second unit including a second bearing portion for supporting a developer carrying member, and a storing medium including an electrical contact. The second bearing portion is provided inside the first bearing portion with respect to a rotational axis direction of the image bearing member. At least a part of the storing medium is supported by the second unit and is provided at a position outside the second bearing portion and inside an outermost configuration of the first unit with respect to the rotational axis direction. The electrical contact is faced toward a downstream with respect to an inserting direction of the cartridge into the main assembly.