Title:
WHEEL SUPPORT ROLLING BEARING
Document Type and Number:
Japanese Patent JP2023071212
Kind Code:
A
Abstract:
To provide a wheel support rolling bearing which can be reduced in a size.SOLUTION: A wheel support rolling bearing 1 comprises an inner ring 10 fixed to a wheel, an outer ring 40 fixed to a vehicle body, and a plurality of needle-shaped rollers 50 rollingly arranged between the inner ring 10 and the outer ring 40. The inner ring 10 has a first raceway surface 11 which opposes the outer ring 40 in a radial direction, and a second raceway surface 12 and a third raceway surface 13 which oppose the outer ring 40 in an axial direction. The second raceway surface 12 is located inside the outer ring 40 in the axial direction, and the third raceway surface 13 is located outside the outer ring 40 in the axial direction. The plurality of needle-shaped rollers 50 include a plurality of first needle-shaped rollers 51 arranged between the first raceway surface 11 and the outer ring 40, a plurality of second needle-shaped rollers 52 arranged between the second raceway surface 12 and the outer ring 40, and a plurality of third needle-shaped rollers 53 arranged between the third raceway surface 13 and the outer ring 40.SELECTED DRAWING: Figure 1
Inventors:
HAGIWARA NOBUYUKI
Application Number:
JP2021183819A
Publication Date:
May 23, 2023
Filing Date:
November 11, 2021
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C19/48; B60B35/14; F16C43/04
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Kenichi Shibayama
Masaharu Kizu
Yoshiki Kuroki
Kenichi Shibayama
Masaharu Kizu