A bearing for a shed forming machine or a system for transmitting movement to the frames of a loom, comprising an inner ring, an outer ring and rolling elements, in which:
- the inner ring is centered on a main axis, comprises two lateral surfaces normal to the main axis and defines a peripheral path centered on the main axis,
- the outer ring defines an inner path, which is circular and centered on the main axis,
- the rolling elements are interposed, radially with respect to the main axis, between the peripheral path and the inner path, so as to guide the outer ring in rotation with respect to the inner ring around the main axis,
- wherein
- the inner ring comprises at least one slot, opening onto the two lateral surfaces, extending opposite a portion of the path of the peripheral path, and forms a material bridge between the slot and the peripheral path,
- the material bridge extends over an angular sector of the inner ring, the angular sector being centered on the main axis of the bearing and having a vertex angle greater than or equal to the vertex angle of an angular sector occupied by two rolling elements, and
- the inner ring further comprises at least one hole for fixing the bearing.