Title:
INSULATED ROLLER BEARING FOR ELECTRIC CORROSION PREVENTION
Document Type and Number:
Japanese Patent JP2016156403
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To increase the film strength by decreasing the vacancy of an insulated film in an insulated roller bearing for electric corrosion prevention on which a ceramic insulation layer is formed.SOLUTION: An insulated roller bearing for electric corrosion prevention has an insulated film including, as a main ingredient, alumina (AlO) containing calcia (CaO) of 10-40 mass% on a surface other than a surface on which a raceway surface of at least one bearing ring is provided.SELECTED DRAWING: Figure 1
Inventors:
NAKAI TAKESHI
Application Number:
JP2015033049A
Publication Date:
September 01, 2016
Filing Date:
February 23, 2015
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/62; C23C4/10; C23C4/18; C23F15/00; F16C19/06; F16C33/64
Attorney, Agent or Firm:
Patent business corporation glory patent office