Patent ID: 8734021

Claim:
A rolling bearing device comprising: a pair of raceway members which are disposed concentrically and define an annular-shaped space radially and axially therebetween; rolling elements disposed in the annular-shaped space; and a pump including a pipe-shaped nozzle, the pump being disposed in the annular-shaped space or adjacent thereof, wherein a tip portion of the nozzle is disposed in the annular-shaped space so as to supply lubricant to a vicinity of the rolling elements, wherein the nozzle is provided with a hole for discharging lubricating oil such that an opening of the hole faces in substantially a circumferential direction of the annular-shaped space, wherein the opening of the hole is disposed on a circumferential surface of the nozzle at a position spaced from a tip end of the nozzle, wherein the tip end of the nozzle, which is directed in an axial direction of the raceway member, is closed, and wherein a tip hole in the tip end of the nozzle, which is directed in the axial direction of the raceway member, is closed with a sealing member.