A rolling bearing comprising: a first raceway member having a first annular raceway surface; a second raceway member having a second annular raceway surface opposing the first raceway surface; a plurality of rolling elements arranged between the first raceway surface and the second raceway surface so as to roll; a guide member formed integrally with or separately from the second raceway surface, the guide member comprising: an annular guide surface arranged at a position different from the second raceway surface in an axial direction; a flow path in which compressed air for supplying lubricating oil flows; and an annular cage that holds the plurality of rolling elements at given intervals in the circumferential direction; characterized by an annular groove provided in the guide surface in a circumferential direction, and having: a discharge opening (17c1) connected to the flow path in a groove bottom part; and an introducing surface configured to introduce the compressed air toward the second raceway member in the axial direction; and in that the cage has a guided surface which opposes the guide surface such that the guided surface can slidably contact the guide surface, wherein the introducing surface comprises a side wall surface (31a1) arranged in an inner side of the annular groove in the axial direction, and wherein the side wall surface (31a1) is formed as an inclined surface which is inclined toward the inner side in the axial direction from a groove bottom side to an opening side of the annular groove, wherein the annular groove opposes the guided surface of the annular cage in a radial direction. a first raceway member having a first annular raceway surface; a second raceway member having a second annular raceway surface opposing the first raceway surface; a plurality of rolling elements arranged between the first raceway surface and the second raceway surface so as to roll; a guide member formed integrally with or separately from the second raceway surface, the guide member comprising: an annular guide surface arranged at a position different from the second raceway surface in an axial direction; a flow path in which compressed air for supplying lubricating oil flows; and an annular cage that holds the plurality of rolling elements at given intervals in the circumferential direction; characterized by an annular groove provided in the guide surface in a circumferential direction, and having: a discharge opening (17c1) connected to the flow path in a groove bottom part; and an introducing surface configured to introduce the compressed air toward the second raceway member in the axial direction; and in that the cage has a guided surface which opposes the guide surface such that the guided surface can slidably contact the guide surface, wherein the introducing surface comprises a side wall surface (31a1) arranged in an inner side of the annular groove in the axial direction, and wherein the side wall surface (31a1) is formed as an inclined surface which is inclined toward the inner side in the axial direction from a groove bottom side to an opening side of the annular groove, wherein the annular groove opposes the guided surface of the annular cage in a radial direction. an annular guide surface arranged at a position different from the second raceway surface in an axial direction; a flow path in which compressed air for supplying lubricating oil flows; and an annular cage that holds the plurality of rolling elements at given intervals in the circumferential direction; wherein the introducing surface comprises a side wall surface (31a1) arranged in an inner side of the annular groove in the axial direction, and wherein the side wall surface (31a1) is formed as an inclined surface which is inclined toward the inner side in the axial direction from a groove bottom side to an opening side of the annular groove, wherein the annular groove opposes the guided surface of the annular cage in a radial direction.