Title:
CREEP PREVENTING BEARING DEVICE
Document Type and Number:
Japanese Patent JP2014163485
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a creep preventing bearing device which is fastened without causing creep during operation of a bearing and, in the operation stoppage state, easily removes an inner ring or an outer ring from a rotation shaft or a housing and can perform maintenance, in the bearing device which fastens at least one side of the inner ring or the outer ring of the bearing to at least one side of the rotation shaft or the housing to uses it.SOLUTION: A bearing device 7 includes: a rotation shaft 8; a housing 9; and a bearing 1 in which an inner ring inner circumferential surface is fit and fastened to the rotation shaft 8, an outer ring outer circumferential surface is fit and fastened to the housing 9 and assembles a plurality of rolling bodies 4 freely rollably into raceway surfaces formed on the inner ring outer circumferential surface and the outer ring inner circumferential surface. Therein, a circumferential groove 5 is disposed on at least one side of the outer ring outer circumferential surface to be fastened to the housing 9 or the inner ring inner circumferential surface to be fastened to the rotation shaft 8 and creep preventing material 6 made of resin to which a substance having dilatancy characteristic is mixed and dispersed is buried to the circumferential groove 5.
Inventors:
IWASHITA TOMOYO
Application Number:
JP2013037018A
Publication Date:
September 08, 2014
Filing Date:
February 27, 2013
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C35/077; F16C19/06; F16C33/58; F16C35/073