Bearings – Rotary bearing – Antifriction bearing
Patent
1990-01-05
1990-07-24
Hannon, Thomas R.
Bearings
Rotary bearing
Antifriction bearing
180259, 301124R, 384506, 384543, 464178, F16C 1300, F16C 4304, B21K 140
Patent
active
049431714
ABSTRACT:
A wheel bearing unit for motor vehicles, and the like, having an outer ring and two rows of anti-friction rolling elements in the outer ring. An axially inward hub has one race for one row of rolling elements. An axially outer part of the of the bearing unit has another row of rolling elements on its periphery. One of the hub or the outer part has an axially projecting pin projecting toward the other. The other of the outer part and the hub has a sleeve with an internal bore into which the pin projects. The periphery of the pin and the interior of the bore are stepped complementary to one another such that when the hub and outer part are brought together, they are stabilized thereby. An axially directed projection projects from the axially forward end of the pin into engagement with the bottom of the bore. When the outer part and hub are relatively rotated, the contact is sufficiently heated to friction weld the end of the axially directed projection to the bottom of the bore. When the bore is in the hub, the hub is provided in the region of its bore with a closed wall or surrounding projection for preventing entrance of undesirable material.
REFERENCES:
patent: 3583511 (1971-06-01), Asberg
patent: 4150553 (1979-04-01), Aucktor
patent: 4240680 (1980-12-01), Krude et al.
patent: 4427085 (1984-01-01), Aucktor
patent: 4473129 (1984-09-01), Guimbretiere 180259
Hofmann Heinrich
Troster Manfred
FAG Kugelfischer Georg Schafer (KGaA)
Hannon Thomas R.
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