A rolling bearing device having a coaxially disposed pair of raceway members defining an annular space between the members; rolling bodies arranged in the annular space; and a pump with a pipe-like nozzle, provided in the annular space or near the annular space. The tip of the nozzle is disposed in the annular space in order to supply a lubricating agent to the vicinity of the rolling bodies, and the nozzle has a hole for discharging lubricating oil, the hole being directed to a direction except the axial direction and radial direction of the rolling bearing device.
