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公开(公告)号：US20190299710A1
公开(公告)日：2019-10-03
申请号：US16332103
申请日：2017-09-11
Applicant: NTN CORPORATION
Inventor： Hisanori KOBAYASHI , Xiaole BAO , Yuta NAKATSUJI , Akira TORII
Abstract: A bearing device 1 for a vehicle wheel, wherein an annular weir part 20 is provided on the outer periphery of an outer-side end part of an outer member 2, the annular weir part 20 having the rotation axis L of an inner member 3 as a center, the weir part 20 having a shape that is asymmetrical between the upper side Us and the lower side Ls of the outer member 2, and the weir part 20 being inclined farther toward the inner side the more a weir wall surface 20a faces outward in the radial direction in a part or all of the upper side Us. Also, the weir part 20 is inclined farther toward the outer side the more the weir wall surface 20a faces outward in the radial direction in a part or all of the lower side Ls.
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公开(公告)号：US20200277993A1
公开(公告)日：2020-09-03
申请号：US16647271
申请日：2018-09-14
Applicant: NTN CORPORATION
Inventor： Makoto SEKI , Hisanori KOBAYASHI
Abstract: A sealing member of a bearing device for vehicle wheel including: a sealing plate having a sealing plate fitting section (7a) fitted to an inner circumferential surface of an outer ring, an annular support section (7c) extending radially inwardly from the sealing plate fitting section, and sealing lips provided on one side surface of the support section; and a slinger (8) having a slinger fitting section (8a) fitted to the outer circumferential surface of an inner ring (4) and an annular upright plate section (8b) extending radially outwardly from the slinger fitting section and facing the support section. The plurality of sealing lips are in contact with one side surface of the upright plate section or with the slinger fitting section, the support section is bent to form an annular groove section, and the outer peripheral portion of the upright plate section is bent to form a cylindrical wall section.
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