Title:
WHEEL BEARING DEVICE, PROCESSING METHOD OF WHEEL BEARING DEVICE AND ASSEMBLING METHOD OF WHEEL BEARING DEVICE
Document Type and Number:
Japanese Patent JP2017026061
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a wheel bearing device which is suppressed in the excess and shortage of a fastening margin between a side lip and a slinger of a sealing device, and excellent in sealing performance.SOLUTION: A wheel bearing device 1 has an outer ring member 10, an inner ring 30, a hub shaft 20 having a hub flange 22 at an end part of an external periphery at one side, rolling bodies 30, and a sealing device 50. The sealing device 50 has a slinger 60 and a seal member 51, the slinger 60 has a cylinder part 61 and a disc part 62, the seal part 51 has a side lip 58 which opposes the disc part 62, and an end part 59 of the side lip 58 slide-contacts with a side face 65 of the disc part 62 with a proper fastening margin Δ. The hub shaft 20 has an inner ring abutment face 26, and sets a difference between a first clearance L1 between an end face 34 of the inner ring 30 and a tip 59 of the side lip 58 at the disc part side, and a second clearance L2 between the inner ring abutment face 26 and the side face 65 of the disc part 62 to a value equal to the proper fastening margin Δ.SELECTED DRAWING: Figure 2
Inventors:
AGARITA YU
Application Number:
JP2015146026A
Publication Date:
February 02, 2017
Filing Date:
July 23, 2015
Export Citation:
Assignee:
JTEKT CORP
International Classes:
F16C33/58; B60B3/16; B60B35/02; F16C19/18; F16C33/64; F16C33/78; F16C43/04
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