No.1004E 2008Special Issue on Industry-Related Products Rolling Bearings for Extreme Special Environments

Category TECHNICAL REPORT
Author Y. FUJII
Experiment & Analysis Engineering Department, Bearing & Driveline Operations Headquarters
H. ONO
Industrial Machinery Application Engineering Department, Bearing & Driveline Operations Headquarters
Abstract As a result of recent advances in technology, bearings have come to be used in severer environments and under extreme conditions. Specifi cally, highly advanced technology requires bearings that can be used in special environments, such as in vacuum, clean, high-temperature, and corrosive environments. It is extremely diffi cult for conventional bearings made of bearing steel and lubricated with ordinary oil or grease to meet these requirements. JTEKT has developed and commercialized various types of bearings for extreme special environments in order to meet such needs. In this paper, the materials, lubricants and configurations of bearings for extreme special environments are presented.
Keyword special environment, solid lubricant, ceramics, vacuum, cleanliness
Reference

JTEKT Corporation : CERAMIC BEARINGS AND EXSEV BEARINGS FOR EXTREME SPECIAL ENVIRONMENTS, CAT. no. B2004E (2006).
H. TAKEBAYASHI : Bearings for Extreme Special Environments-Part 1 -Bearing Materials and Solid Lubricants-, Koyo Engineering Journal, No.156E (2000) 52.
T. HATTORI, K. KITAMURA, K. HAYASHIDA : Load Capability and Magnetic Field Performance of New Nonmagnetic Bearings, Koyo Engineering Journal, No.156E (2000) 30.
H. TAKEBAYASHI : Bearings for Extreme Special Environments-Part 2 - Bearings for Vacuum and Clean Environments-, Koyo Engineering Journal, No.157E (2000) 58.
Y. FUJII, H. ONO : Bearings with Solid Lubricants, Koyo Engineering Journal, No.164E (2004) 24.
H. TAKEBAYASHI, K. HAYASHIDA : Development of Corrosion Resistance Ceramics made of Si3N4, Koyo Engineering Journal, No.145 (1994) 132.(in Japanese)

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