公开(公告)号：US20250102013A1

公开(公告)日：2025-03-27

申请号：US18576960

申请日：2022-07-05

Applicant: NTN CORPORATION

Inventor： Shigeaki FUKUSHIMA ,  Akira TORII

IPC: F16C19/18

Abstract: A bearing device for a vehicle wheel suppresses shaking of a vehicle wheel mounting flange by defining dimensional relationships of the various components of the vehicle wheel mounting flange. A vehicle wheel mounting flange (3b) includes a plurality of screw holes (31) into which wheel bolts are screwed, and a rib (35) provided on an inner side circumferential edge of the screw holes (31). When A represents a nominal diameter of the screw hole (31), B represents a width direction dimension of the rib (35) in a cross-section that passes through the center of the screw hole (31) and that is tangent to the pitch circle of the screw hole (31), and C represents a thickness direction dimension of the vehicle wheel mounting flange (3b) that passes through the rib (35), B/A≥1.7 and C/A≥0.8 are satisfied.

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

IPC: B60B27/00 ,  B60B27/02 ,  B60B35/02 ,  F16C19/18 ,  F16C33/78 ,  F16J15/3232

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.