The aim of this work is to learn the histories of three academic centers for Africandescendents studies in Brazil, known as the NEAB s - CEAA, CEAB and NIREMA - with the purpose of understanding the nature of their contribution to the struggle against Racism in Brazil. Since the birth of the first NEAB in Rio de Janeiro - the CEAA -, these centers have served as spaces for academic studies and social action, where researchers and militants combine efforts to fight against Racism in the country. These centers provide academic knowledge and an interdisciplinary point of view about the black population. Furthermore, the NEAB s articulates multiple social voices, by the promotion of academic activities and publications. We believe that the NEAB s are different from the militancy itself due to its character of scientific knowledge branch, which is consistently opened to the social black movement representatives. Therefore, the main contribution of the NEAB s is to produce academic knowledge about the racial relations in Brazil. In terms of methodology, we used a qualitative approach to analyze six interviews granted by scholars related to the three centers under examination and a small set of documents about the history of those centers. The concepts that highlight this work are: Racism, race, identity and scientific knowledge branch.