Patent ID: 6851863

Claim:
A double row tapered roller bearing apparatus for supporting a rotation shaft in a cantilever manner in an opening of a housing, comprising: an integral outer ring having double row track faces; an oil supply hole extending from an outer peripheral face of the integral outer ring and passing through between the double row track faces; an oil discharge hole extending from the outer peripheral face of the integral outer ring and passing through between the double row track faces; and an oil vent formed in the integral outer ring, the oil vent extending from an inner peripheral face of the integral outer ring in an area outward in an axial direction than a rolling face on which an axially outward row of the conical rollers rolls, and passing through the outer peripheral face of the integral outer ring, wherein the oil vent is formed at a position which is displaced by a determined angle in a circumferential direction from a vertically lower end of the inner peripheral face of the integral outer ring; a seal member arranged between the integral outer ring and an inner ring in an area outward in the axial direction than the oil vents; and an oil reservoir formed by the seal member and the inner peripheral face of the integral outer ring at a position below the oil vent on the inner peripheral face of the integral outer ring.