Title:
SELF-ALIGNING THRUST ROLLER BEARING
Document Type and Number:
Japanese Patent JP2017062004
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent the wear of an anti-loosening protruded part of a punched cage due to contact between a locking recessed part which is formed in a shaft raceway disc of a self-aligning thrust roller bearing and the anti-loosening protruded part.SOLUTION: An anti-loosening protruded part 13 has a concave face 13a bent in the same direction as an outer diameter face 8b of a locking recessed part 8 and having a smaller curvature than the outer diameter face 8b. The concave face 13a is shaped along the outer diameter face 8b of the locking recessed part 8 and an outer diameter face 6a of a flange part 6 of a shaft raceway disc 1. The anti-loosening protruded part 13 contacts the outer diameter face 8b of the locking recessed part 8 only via the concave face 13a.SELECTED DRAWING: Figure 1
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Inventors:
TABATA SHOGO
Application Number:
JP2015187952A
Publication Date:
March 30, 2017
Filing Date:
September 25, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/54; F16C23/08; F16C33/64
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Tounaga Mitsuhiro
Bunji Kamada
Yaichiro Nakatani
Tounaga Mitsuhiro