Abstract: The invention regards an assembly (1), comprising; a bearing (2) with at least a first (21) and second (22) parts being moveable relative each other, a generator (3) attached to or integrated in said bearing (2), a lubrication pump (4) for outputting a lubricant to at least one lubricating point (5), an electrical motor or actuator (6) connected to the generator (3), wherein the generator (3) is meant to power the electrical motor or actuator (6). The lubrication pump (4) is connected to and driven by the electrical motor or actuator (6), and the lubrication pump (4) is located outside the bearing (2). Furthermore, the invention regards a system comprising the assembly (1) and a shaft (7).