Title:
ROLLING BEARING
Document Type and Number:
Japanese Patent JP2022106121
Kind Code:
A
Abstract:
To provide a rolling bearing capable of effectively preventing electrolytic corrosion by filling inside a grease in which an electroconductivity-imparting additive comprising a tertiary amine and a fatty acid that completely dissolve into a grease base oil is used for keeping a stable electroconductivity.SOLUTION: A rolling bearing comprises: an inner ring 1 having an inner ring raceway surface 1a on an outer peripheral surface; an outer ring 3 having an outer ring raceway surface 3a on an inner peripheral surface; a plurality of balls 5 incorporated between the inner ring raceway surface 1a and the outer ring raceway surface 3a; a synthetic resin cage 7 for circumferentially retaining the plurality of balls 5; a grease filled in an inside space of the bearing; and a seal 9 for sealing the inside space of the bearing. The grease is an electroconductive grease containing an electroconductivity-imparting additive comprising a mixture with a molar ratio of 1:1 for a tertiary amine to a fatty acid.SELECTED DRAWING: Figure 1
Inventors:
YABE SHUNICHI
KONO TOMOKI
KONO TOMOKI
Application Number:
JP2021000886A
Publication Date:
July 19, 2022
Filing Date:
January 06, 2021
Export Citation:
Assignee:
NSK LTD
International Classes:
C10M169/06; C10M129/26; C10M133/04; C10M133/06; F16C19/06; F16C33/66; F16C33/78
Attorney, Agent or Firm:
Yoshimi Kobayashi
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