Title:
ROLLING BEARING AND BEARING DEVICE
Document Type and Number:
Japanese Patent JP2017207144
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rolling bearing which can lubricate an interior part of a bearing and inner and outer peripheral surfaces of the bearing and a neck surface of a rotary shaft while reducing the usage of grease, and to provide a bearing device.SOLUTION: A self-aligning roller bearing 30 includes a pair of seal members 35, 35 provided at both axial end parts of an outer ring 31. First grease G1 is enclosed in a bearing space S1. On an outer peripheral surface of the outer ring 31, a grease circulation groove 40 opening at both axial ends of the outer ring 31 and in which second grease G2 is circulated is formed.SELECTED DRAWING: Figure 1
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Inventors:
ABE DAISUKE
Application Number:
JP2016100311A
Publication Date:
November 24, 2017
Filing Date:
May 19, 2016
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/66; F16C19/38; F16C25/08; F16C33/58; F16C33/78
Attorney, Agent or Firm:
Patent business corporation glory patent office