Title:
ROLLING BEARING, ROLLING BEARING DEVICE, DOUBLE-ROW ROLLING BEARING, AND VEHICLE DRIVING FORCE TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2021183853
Kind Code:
A
Abstract:
To provide a rolling bearing, a rolling bearing device, a double-row rolling bearing, and a vehicle driving force transmission device capable of supplying a larger amount of lubricating oil to a plurality of rolling elements.SOLUTION: A double-row tapered roller bearing 1 includes a first inner ring 31 externally fitted to a shaft portion 111 of a pinion gear shaft 11, an outer ring 2 disposed on an outer periphery of the first inner ring 31, a plurality of tapered rollers 41 disposed between the first inner ring 31 and the outer ring 2, and a first retainer 51 for retaining the plurality of tapered rollers 41 at predetermined intervals in a circumferential direction. The outer ring 2 includes a cylindrical outer ring body 21 having a first outside raceway surface 21a on which the plurality of the tapered rollers 41 rolls, and a receiving portion 23 extended from the outer ring body 21 in an axial direction so as to receive lubricating oil splashed from the pinion gear shaft 11. A distal end 231 of the receiving portion 23 is protruded beyond a side surface 31b of the first inner ring 31 in the axial direction.SELECTED DRAWING: Figure 1
Inventors:
SATO TAKAHIKO
Application Number:
JP2020089109A
Publication Date:
December 02, 2021
Filing Date:
May 21, 2020
Export Citation:
Assignee:
JTEKT CORP
International Classes:
F16C19/38; F16C33/66; F16C35/07
Attorney, Agent or Firm:
Hirata International Patent Office
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