A fluid-lubricated type tapered roller bearing device comprising: - an outer ring; - an inner ring disposed coaxially with the outer ring, the inner ring and the outer ring defining, at one axial end thereof, a first opening through which a lubricating fluid flows into a space between the outer ring and the inner ring and, at the other axial end, a second opening through which the lubricating fluid flows out from the space; - tapered rollers disposed between the outer ring and the inner ring; - a fluid entry control portion provided in a vicinity of the first opening for controlling the entry of the lubricating fluid; - a fluid accommodating portion provided in a vicinity of the second opening for accommodating the lubricating fluid; and - a cage which retains the tapered rollers; wherein - the inner ring is a rotating ring, and the outer ring is a stationary ring, - the inner ring includes a front face rib which contacts small end faces of the tapered rollers, - the fluid entry control portion includes a shielding plate having a protruding portion which protrudes radially further outwards than the front face rib, - the protruding portion of the shielding plate is disposed at a location which is spaced apart an interval (a) from the cage outward in an axial direction, characterized in - that the shielding plate abuts with an end face of the front face rib at a small diameter side of a coned raceway surface of the inner ring, - that the shielding plate in use rotates together with the rotation shaft, - that an outside diameter (ΦA) of a distal end of the protruding portion of the shielding plate is equal to or smaller than an inside diameter (ΦB) of an edge portion of a cupped raceway surface of the outer ring which lies on a small diameter side thereof, and - the fluid accommodating portion includes a fluid accommodating plate having a protruding portion which protrudes further inward in the radial direction of the outer ring than an edge portion of a cupped raceway surface of the outer ring which lies on a large diameter side thereof, a fluid accommodating area in which the lubricating fluid is accommodated being defined at an inner side of the fluid accommodating plate with respect to the protruding portion in the axial direction, and - the protruding portion of the fluid accommodating plate is disposed at a location which is spaced apart an interval from the cage outwards in the axial direction. - an outer ring; - an inner ring disposed coaxially with the outer ring, the inner ring and the outer ring defining, at one axial end thereof, a first opening through which a lubricating fluid flows into a space between the outer ring and the inner ring and, at the other axial end, a second opening through which the lubricating fluid flows out from the space; - tapered rollers disposed between the outer ring and the inner ring; - a fluid entry control portion provided in a vicinity of the first opening for controlling the entry of the lubricating fluid; - a fluid accommodating portion provided in a vicinity of the second opening for accommodating the lubricating fluid; and - a cage which retains the tapered rollers; wherein - the inner ring is a rotating ring, and the outer ring is a stationary ring, - the inner ring includes a front face rib which contacts small end faces of the tapered rollers, - the fluid entry control portion includes a shielding plate having a protruding portion which protrudes radially further outwards than the front face rib, - the protruding portion of the shielding plate is disposed at a location which is spaced apart an interval (a) from the cage outward in an axial direction, characterized in - that the shielding plate abuts with an end face of the front face rib at a small diameter side of a coned raceway surface of the inner ring, - that the shielding plate in use rotates together with the rotation shaft, - that an outside diameter (ΦA) of a distal end of the protruding portion of the shielding plate is equal to or smaller than an inside diameter (ΦB) of an edge portion of a cupped raceway surface of the outer ring which lies on a small diameter side thereof, and - the fluid accommodating portion includes a fluid accommodating plate having a protruding portion which protrudes further inward in the radial direction of the outer ring than an edge portion of a cupped raceway surface of the outer ring which lies on a large diameter side thereof, a fluid accommodating area in which the lubricating fluid is accommodated being defined at an inner side of the fluid accommodating plate with respect to the protruding portion in the axial direction, and - the protruding portion of the fluid accommodating plate is disposed at a location which is spaced apart an interval from the cage outwards in the axial direction.