Title:
DOUBLE ROW FOUR-POINT CONTACT BALL BEARING
Document Type and Number:
Japanese Patent JP2018204681
Kind Code:
A
Abstract:
To provide a double row four-point contact ball bearing capable of suppressing deformation of an outer ring with dimension increase suppressed.SOLUTION: A double row four-point contact ball bearing 100 comprises an outer ring 102, an inner ring 104, double row four-point contact balls 106, 108 provided between the outer ring 102 and the inner ring 104. The double row four-point contact ball bearing is characterized in that a contact angle α inside the double row balls 106, 108 become such an angle that action lines L1, L2 extending so as to connect between the center points of the balls 106, 108 and a contact point never cross with each other in the outer ring 102.SELECTED DRAWING: Figure 1
Inventors:
KAWAI TOSHIHIRO
TERADA TAKAO
TERADA TAKAO
Application Number:
JP2017110060A
Publication Date:
December 27, 2018
Filing Date:
June 02, 2017
Export Citation:
Assignee:
NACHI FUJIKOSHI CORP
International Classes:
F16C33/58; F16C19/18; F16C25/08
Domestic Patent References:
| JP2010281352A | 2010-12-16 | |||
| JP2006117504A | 2006-05-11 | |||
| JP2005172146A | 2005-06-30 | |||
| JP2015045415A | 2015-03-12 | |||
| JP2006177504A | 2006-07-06 | |||
| JP2009204122A | 2009-09-10 | |||
| JP2008115955A | 2008-05-22 |
Foreign References:
| US20150043858A1 | 2015-02-12 | |||
| WO2014180669A1 | 2014-11-13 |
Attorney, Agent or Firm:
Kosuke Tobita
Daisuke Suzuki
Patent business corporation aqua patent office
Daisuke Suzuki
Patent business corporation aqua patent office