Title:
ROLLING BEARING DEVICE
Document Type and Number:
Japanese Patent JP2022143054
Kind Code:
A
Abstract:
To actualize the construction of a rolling bearing device to secure the sealability of an abutment part between a pair of inner rings while guaranteeing an axial clearance.SOLUTION: A first inner ring 18a has a first abutment surface 26a and a first annular recessed groove 27a on the axial inside end face, and a second inner ring 18b has a second abutment surface 26b and a second annular recessed groove 27b on the axial outside end face. A seal member 20 has a seal base part 34 mounted into the first annular recessed groove 27a without protruding to the second annular recessed groove 27b, and a side lip 35 having a tip contacting the axial bottom face of the second annular recessed groove 27b. In the seal base part 34, a lip storage part 36 is provided which can store the side lip 35 when the side lip 35 is bent and deformed in the radial direction.SELECTED DRAWING: Figure 3
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Inventors:
FUJIKAWA YUHEI
Application Number:
JP2021043385A
Publication Date:
October 03, 2022
Filing Date:
March 17, 2021
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/76; F16C19/38; F16C33/58; F16C43/04; F16J15/10; F16J15/12
Attorney, Agent or Firm:
Kiwa Patent Office
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