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Title:
SELF-ALIGNING ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2005/116470
Kind Code:
A1
Abstract:
It is intended to easily insert rollers into a cage at an approximately optimum insertion angle and in a stabilized attitude, thereby preventing poor insertion of rollers and roller disengagement. A self-aligning roller bearing having a cage (10) which comprises an annular section (12) having pockets (11) receiving rollers (3), an outward flange (13) extending radially outward on the head side of the rollers (3) in the annular section (12) and holding the heads of the rollers (3), a pawl (14) projecting from the outward flange (13) to engage the head of the roller (3), and a small-diameter flange (15) disposed on the tail side of the rollers (3) in the annular section (12), wherein the outer periphery side of the small-diameter flange (15) of the cage (10) is provided with a roller insertion guide (20) in which a guide surface (21) approximately parallel with the direction of contact angle of the rollers (3) is disposed along the inner surface (11a) of the pocket (11) on the small-diameter flange (15) side.

Inventors:
Hoshino, Tadahiro c/o NSK Ltd. (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 25185, JP)
Application Number:
PCT/JP2005/007791
Publication Date:
December 08, 2005
Filing Date:
April 25, 2005
Export Citation:
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Assignee:
NSK LTD. (6-3 Ohsaki 1-chome, Shinagawa-ku Tokyo, 60, 14185, JP)
Hoshino, Tadahiro c/o NSK Ltd. (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 25185, JP)
International Classes:
F16C19/38; F16C23/08; F16C33/46; F16C33/48; F16C33/54; F16C43/08; (IPC1-7): F16C33/48; F16C19/38; F16C23/08; F16C43/08
Foreign References:
JPH05157116A1993-06-22
JPS59180015U1984-12-01
JPS59113517U1984-07-31
JPH1162984A1999-03-05
JPH0517229U1993-03-05
Attorney, Agent or Firm:
Mori, Tetsuya (Nichiei Kokusai Tokkyo Jimusho, Yusen Iwamotocho Bldg. 8th Floor 3-3, Iwamoto-cho 2-chom, Chiyoda-ku Tokyo 32, 10100, JP)
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