Title:
転がり軸受装置
Document Type and Number:
Japanese Patent JP6704302
Kind Code:
B2
Abstract:
A rolling bearing device includes a sealing member configured to seal a bearing internal space, and a sealing case configured to support a proximal end side of the sealing member. The sealing member includes a cored bar arranged so as to be opposed to the sealing case, and a lip portion configured to cover a distal end portion of the cored bar. The lip portion includes a pair of lips, and a first space isolated from other portions is formed between the pair of lips. The sealing member has an opening portion that is opened to the first space, and the opening portion is allowed to communicate with an atmospheric space through a first ventilation path formed through the sealing member and a second ventilation path formed in an opposing region between the cored bar and the sealing case.
Inventors:
Masanori Ueno
Application Number:
JP2016122521A
Publication Date:
June 03, 2020
Filing Date:
June 21, 2016
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C33/78; F16C19/38; F16J15/3204
Domestic Patent References:
| JP2011173505A | ||||
| JP5794755U |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Tsuyoshi Kumano