Title:
INNER RING FOR RADIAL BALL BEARING AND ITS PRODUCING METHOD
Document Type and Number:
Japanese Patent JP2006095554
Kind Code:
A
Abstract:
To provide a method for producing an inner ring 3a constituted of a radial ball bearing, obtained at a low cost while securing the sufficient precision.
A high precise blank 8 shown in (A), is formed as the inner ring 3a shown in (F) through a preliminary intermediate blank 9 shown in (B), an intermediate blank 10 shown in (C), a second intermediate blank 11 shown in (D) and a third intermediate blank 12 shown in (E). The above purpose is obtained by applying a cold processing without accompanying with the removal of the material.
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Inventors:
KOBAYASHI KAZUTO
OTSUKA SEIJI
YASUDA YUTAKA
OTSUKA SEIJI
YASUDA YUTAKA
Application Number:
JP2004282970A
Publication Date:
April 13, 2006
Filing Date:
September 29, 2004
Export Citation:
Assignee:
NSK LTD
International Classes:
B21K1/04; B21H1/12; F16C33/64
Attorney, Agent or Firm:
Takeo Koyama
Nakai Shun
Kinzo Koyama
Nakai Shun
Kinzo Koyama
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