A bearing device for an axle has: a first axial gap (G1), which is defined between the inner ring (3) and the back cover (11) in an axial direction, and has the spacer (21) interposed therein; a second axial gap (G2), which is larger than the first axial gap (G1), and has the sealing member (22) interposed therein; and a third axial gap (G3), which is defined on a radially outer side of the second axial gap (G2), and is smaller than the second axial gap (G2).
BEARING DEVICE FOR AXLE
2019-06-27
Patent
Electronic Resource
English