Title:
BEARING WITH SEAL
Document Type and Number:
Japanese Patent JP2020085081
Kind Code:
A
Abstract:
To provide a bearing with a seal in which the seal can be detached and reused in an industrial field, and an inner maintenance such as replacement of lubricant can be easily carried out.SOLUTION: A bearing 100 includes a seal 110 between an outer ring 102 and an inner ring 104. The outer ring 102 includes an outer ring seal groove 116 on a side of an orbital plane 122. The seal 110 is made up of a core metal 112 covered with an elastic body 114. The elastic body 114 includes a fitting part 118 which is fitted into the outer ring seal groove 116 and a rip part 120 that slides on an outer periphery of the inner ring 104. In the outer ring seal groove 116, an outer shoulder part 116a is lower than an inner shoulder part 116b. The fitting part 118 includes: a sealing part 124 that comes into contact with a wall surface of the inner shoulder part 116b at a position higher than the outer shoulder part 116a; and a projection 126 that comes into contact with a wall surface of the outer shoulder part 116a by being projected outer radially from the sealing part 124. A gap S1 is formed between the projection 126 and the wall surface of the inner shoulder part 116b.SELECTED DRAWING: Figure 1
Inventors:
YAMAMOTO KEIICHI
Application Number:
JP2018217450A
Publication Date:
June 04, 2020
Filing Date:
November 20, 2018
Export Citation:
Assignee:
NACHI FUJIKOSHI CORP
International Classes:
F16C33/78; F16C19/38; F16J15/3204; F16J15/3268
Attorney, Agent or Firm:
Kosuke Tobita
Daisuke Suzuki
Daisuke Suzuki