DOUBLE ROW ROLLING BEARING - NTN TOYO BEARING CO LTD

Title:

DOUBLE ROW ROLLING BEARING

Document Type and Number:

Japanese Patent JP2007333190

Kind Code:

A

Abstract:

To suppress fretting wear and to prevent intrusion of foreign matter such as dust.

This double row rolling bearing has a pair of inner rings 22 fitted to an axle; a double row outer ring 24 fitted to an axle box; two rows of rolling elements 26 interposed between the inner rings 22 and outer ring 24; cages 28 holding each row of rolling elements 26 at predetermined spaces; and oil throwers 10 and rear covers 12 arranged on both axial sides of the pair of inner rings 22. The oil thrower 10 and inner ring 22, the inner ring 22 and inner ring 22, and the inner ring 22 and rear cover 12 are respectively provided with fitting parts with interference.

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Inventors:

KATAOKA YUKIHIRO

Application Number:

JP2006169222A

Publication Date:

December 27, 2007

Filing Date:

June 19, 2006

Export Citation:

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Assignee:

NTN TOYO BEARING CO LTD

International Classes:

F16C19/38; B61F15/12; B61F15/26; F16C33/58; F16C33/66

Attorney, Agent or Firm:

Shogo Ehara
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano

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