Title:
車輪用軸受装置
Document Type and Number:
Japanese Patent JP6721974
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a wheel bearing device having attained improved durability and low resistance property.SOLUTION: A wheel bearing device 1 includes an outward member 2, an inward member 3, a rolling body 6 and seal members 7, 10. Out of a double row of rolling bodies 6, between an inner side ball row 6a and an outer side ball row 6b, a wall member 12 is arranged, and a characteristic of grease Gi sealed in an annular space Ai inside the wall member 12 and a characteristic of grease Go sealed in an annular space Ao outside the wall member 12 are different from each other.SELECTED DRAWING: Figure 5
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Inventors:
Yosuke Suma
Application Number:
JP2015235903A
Publication Date:
July 15, 2020
Filing Date:
December 02, 2015
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C33/66; F16C19/18; F16C33/78; F16C33/80
Domestic Patent References:
| JP2010127324A | ||||
| JP2008175276A | ||||
| JP2010025216A | ||||
| JP2008075833A | ||||
| JP2016114083A | ||||
| JP2012229736A |
Foreign References:
| WO2015000509A1 |
Attorney, Agent or Firm:
Yanouchi Foreign Patent Office