DOUBLE-ROW TAPERED ROLLER BEARING HAVING BACKSTOP ASSEMBLY

WIPO Patent Application WO/2024/040708

A1

A double-row tapered roller bearing having a backstop assembly, comprising a bearing outer ring (1), a bearing inner ring (2) and two rows of tapered rollers (3) which are separately mounted between the bearing outer ring (1) and the bearing inner ring (2) in a rollable manner by means of retainers (9). Said double-row tapered roller bearing further comprises backstop rings (5) which are mounted at shaft shoulders (4.2) of an axle (4) and abut against positioning end surfaces (2.1) of the bearing inner ring (2), the bearing inner ring (2) being fixedly connected to the backstop rings (5) by means of retainer rings (6). A bearing inner ring and backstop rings are fixed together by means of retainer rings, so as to avoid creeping wear generated at positioning end faces at end faces of the bearing inner ring relative to end faces of backstop rings, thereby prolonging the service life of double-row tapered roller bearings.

DUN LIHUA (CN)
YU CHANGXIN (CN)
TAN JIANGUANG (CN)
SONG SHIYONG (CN)
LIU XUE (CN)
TIAN PEILAI (CN)
XIA KEBO (CN)
GONG HECHENG (CN)
SHI JIAYI (CN)
SONG TAO (CN)
ZHANG CE (CN)
ZHANG JIE (CN)

PCT/CN2022/124599

February 29, 2024

October 11, 2022

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WAFANGDIAN BEARING GROUP CORP LTD (CN)
WAFANGDIAN BEARING GROUP NAT BEARING ENG TECH RES CT CO LTD (CN)

F16C19/38; F16C33/58; F16C35/063; F16C41/00

CN115289134A	2022-11-04
CN109253161A	2019-01-22
CN210290483U	2020-04-10
CN110701195A	2020-01-17
CN214146263U	2021-09-07
CN208169335U	2018-11-30
CN106640952A	2017-05-10
JP2009085417A	2009-04-23
JP2006316836A	2006-11-24
JP2007057014A	2007-03-08

DALIAN CHUANGDA PATENT AGENCY (GENERAL PARTNERSHIP) (CN)

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