Title:
HOLDER FOR ROLLER BEARING
Document Type and Number:
Japanese Patent JP2019056382
Kind Code:
A
Abstract:
To provide a suitable holder for roller bearing having improved rigidity.SOLUTION: A holder 12 has a first outer diameter guide surface 16b formed in a first ring part 14b, a second outer diameter guide surface 16c formed in a second ring part 14c, a third outer diameter guide surface 16d formed in a column part 15, a first recess part 17b, a second recess part 17c, a first roller guide surface 18b, and a second roller guide surface 18c. The first recess part 17b and the second recess part 17c respectively arranged between the outer diameter guide surfaces, and are recessed to an inner diameter side of the holder with respect to the first-third outer diameter guide surfaces. The first roller guide surface 18b and the second roller guide surface 18c are projected to the inner diameter side of the holder with respect to inner diameter surfaces of the first and second ring parts.SELECTED DRAWING: Figure 3
Inventors:
OHASHI IZUMI
Application Number:
JP2017179655A
Publication Date:
April 11, 2019
Filing Date:
September 20, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/54; F16C9/02; F16C33/66
Attorney, Agent or Firm:
Patent Business Corporation Imy International Patent Office