Title:
BALL BEARING
Document Type and Number:
Japanese Patent JP2021055767
Kind Code:
A
Abstract:
To provide a technology that further improves rated load of a ball bearing and is excellent in load performance for thrust load in both direction, and can be assembled to a wave gear reducer and the like.SOLUTION: A ball bearing 1 includes: an inner ring 5 and an outer ring 6; and multiple balls 9 interposed between the raceway grooves 7, 8 thereof opposed to each other. The inner ring 5 and the outer ring 6 have a circular shape in a state of nature and have elasticity capable of deforming into a non-circular shape. Only the inner ring 5 of the inner ring 5 and the outer ring 6 is provided with a filling groove 20 at a shoulder surface. The filling groove 20 has a groove bottom of which depth does not reach a groove bottom of the raceway groove 7 of the inner ring 5.SELECTED DRAWING: Figure 1
Inventors:
SUZUKI KOSUKE
Application Number:
JP2019179982A
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/58; F16C19/06; F16C19/16; F16C43/06; F16H1/32
Domestic Patent References:
| JPH051048U | 1993-01-08 | |||
| JP2018184996A | 2018-11-22 | |||
| JP2018200112A | 2018-12-20 | |||
| JP2018511765A | 2018-04-26 |
Attorney, Agent or Firm:
Masashi Noda
Shuji Sugimoto
Shuji Sugimoto