Injection molding tool (100) for the production of a roller bearing cage (110) with a roller bearing cage extending along a circumferential direction of the side ring (150), and a plurality of pressure to the side ring (150) is connected to the webs (160), and in each case two adjacent webs (160) a pocket (170) for receiving a rolling body, with the following features:a bottom tool part (180), a hollow space (120) in the axial direction (130) at least partially, into which a material for the production of the roller bearing cage (110) can be introduced;a in the axial direction (130) to the bottom tool part (180) adjoining outer ring (230), the one circumferential section (220) of the hollow space (120) radially outwardly confines;a in the axial direction (130) to the bottom tool part (180) adjoining inner mould part (250), comprising the circumferential portion (220) of the hollow space (120) which delimits radially inwardly;a in the axial direction on the outer ring (230) adjacent outer shape (290) having a plurality of sections (310) of the hollow space (120) for the plurality of the webs (160) delimited radially towards the outside, wherein the sections (310) of the plurality of sections of the cavity with the peripheral portion (220) of the hollow space (120) are connected; anda in the axial direction (130) to the inner mould part (250) adjacent core (340), the plurality of sections which delimits radially inwardly,the bottom tool part (180), the outer ring (230), the inner mould part (250), the outer shape (290) and the core (340) are releasably connected with one another.
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