ROLLING BEARING UNIT - SII MICRO PREC KK

Title:

ROLLING BEARING UNIT

Document Type and Number:

Japanese Patent JP2009180262

Kind Code:

A

Abstract:

To reduce a cost and size without impairing rigidity and rotational accuracy.

A rolling bearing unit 1 comprises a rolling bearing 10 for incorporating a plurality of rolling elements 16 at intervals in the peripheral direction into an annular ring-shaped space between an inner ring 12 and an outer ring 14 which are coaxially arranged, a shaft 3 adhered in a state of being fitted to the inner ring 12 of the rolling bearing 10, a sleeve 5 having a fitting hole 7 adhered in the state of fitting the outer ring 14 of the rolling bearing 10, a spacer 9 for abutting on one end in the axial direction of the inner ring 12, a holding part 21 extending inside the radial direction from an inner surface of the fitting hole 7 of the sleeve 5, and a plurality of balls 11 rollingly arranged between the spacer 9 and the holding part 21.

Inventors:

OZAWA AKIO
SUZUKI KENJI
KOSAKA TAKAYUKI

Application Number:

JP2008018557A

Publication Date:

August 13, 2009

Filing Date:

January 30, 2008

Export Citation:

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Assignee:

SII MICRO PREC KK

International Classes:

F16C19/18; F16C25/08; F16C35/06; F16C35/067

Domestic Patent References:

JP2002257134A	2002-09-11
JP2003232347A	2003-08-22

Foreign References:

WO2006077682A1

2006-07-27

Attorney, Agent or Firm:

Yoshiharu Matsushita

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