Title:
SPACER AND ROLLING DEVICE
Document Type and Number:
Japanese Patent JP2004150588
Kind Code:
A
Abstract:
To provide a spacer for reducing the friction in sliding contact with a load raceway and circulated parts of a rolling device and rolling elements, and preventing the breakage.
This spacer 10 interposed between the rolling elements of the rolling device such as a ball screw device, comprises a base 12 having rolling element holding recessed faces 11 at its axial both sides, and an annular outer peripheral member 13 covering an outer peripheral face of the base 12, one or both of the base 12 and the outer peripheral member 13 are made out of a self-lubricating material, and the amounts of a lubricant at a base 12 side and an outer peripheral member 13 side are selectable.
Inventors:
MIZUKAMI ATSUSHI
Application Number:
JP2002318603A
Publication Date:
May 27, 2004
Filing Date:
October 31, 2002
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/372; F16C19/40; F16C29/06; F16C33/37; F16C33/66; (IPC1-7): F16C33/372; F16C19/40; F16C29/06; F16C33/66
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Yoshiaki Naito
Cui Shu Tetsu
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