Title:
ROLLING BEARING
Document Type and Number:
WIPO Patent Application WO/2021/060489
Kind Code:
A1
Abstract:
A rolling bearing 1 is equipped with an outer race 1A, an inner race 1B and a plurality of rolling elements. The outer race 1A includes a first outer race 10 and a second outer race 20. The first inner race 1B includes a first inner race 30 and a second inner race 40. The grain flow 111 of the steel constituting the first outer race 10 extends along a first rolling surface 511 in a cross-section which includes a center axis R, the grain flow 211 of the steel constituting the second outer race 20 extends along a second rolling surface 512 in said cross-section, the grain flow 311 of the steel constituting the first inner race 30 extends along a third rolling surface 513 in said cross-section, and the grain flow 411 of the steel constituting the second inner race 40 extends along a fourth rolling surface 514 in said cross-section.
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Inventors:
TSURUTA KENICHIRO (JP)
Application Number:
PCT/JP2020/036333
Publication Date:
April 01, 2021
Filing Date:
September 25, 2020
Export Citation:
Assignee:
NIPPON THOMPSON CO LTD (JP)
International Classes:
F16C19/16; F16C19/36; F16C33/60; F16C33/64; F16C33/80; F16J15/447
Foreign References:
| JP2011503461A | 2011-01-27 | |||
| US4362344A | 1982-12-07 | |||
| DE102017106195B3 | 2018-06-14 | |||
| JP2001065574A | 2001-03-16 | |||
| JP2017044268A | 2017-03-02 | |||
| JPS60170547A | 1985-09-04 |
Attorney, Agent or Firm:
KITANO, Shuhei et al. (JP)
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