Title:
NEEDLE BEARING
Document Type and Number:
WIPO Patent Application WO/2022/044901
Kind Code:
A1
Abstract:
Both axially terminal portions (16) of a column (14) of a retainer (12) are positioned at the outside diameter; an axially central portion (17) of the column (14) is positioned at the inside diameter; the axially terminal portions (16) and the axially central portion (17) each have a pocket wall surface (18) facing a pocket (15); the regions at the inside diameter in the pocket wall surfaces (18) provided in the axially terminal portions (16), and the regions at the outside diameter in the pocket wall surface (18) provided in the axially central portion (17) constitute overlapping regions (Rb) that overlap in a radial position; the overlapping regions (Rb) include an overlapping region (Rb) that guides needle rollers (11); and the overlapping regions (Rb) intersect with the pitch circle (PCD) of the needle rollers (11).
Inventors:
KAGAWA WATARU (JP)
Application Number:
PCT/JP2021/030111
Publication Date:
March 03, 2022
Filing Date:
August 18, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/46; F16C33/54; F16C33/58
Domestic Patent References:
| WO2006098276A1 | 2006-09-21 |
Foreign References:
| JP2009156388A | 2009-07-16 | |||
| JP2004084706A | 2004-03-18 | |||
| JP2000179555A | 2000-06-27 | |||
| JPH11351145A | 1999-12-21 |
Attorney, Agent or Firm:
IMY INTERNATIONAL PATENT OFFICE, P.C. (JP)
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