US 11,685,187 B2
Light-weight wheel hub for a wheel hub assembly
Alberto Carlevaris, Turin (IT); Giorgio Missiaggia, Trieste (IT); and Stefano Richaud, San Secondo di Pinerolo (IT)
Assigned to Aktiebolaget SKF
Filed by Aktiebolaget SKF, Gothenburg (SE)
Filed on May 10, 2021, as Appl. No. 17/315,763.
Claims priority of application No. 102020000011143 (IT), filed on May 15, 2020.
Prior Publication US 2021/0354509 A1, Nov. 18, 2021
Int. Cl. B60B 27/00 (2006.01); F16C 33/58 (2006.01)
CPC B60B 27/0094 (2013.01) [B60B 27/0005 (2013.01); F16C 33/585 (2013.01); F16C 33/588 (2013.01); B60B 2360/141 (2013.01); F16C 2223/10 (2013.01); F16C 2240/60 (2013.01); F16C 2326/02 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A wheel hub for a wheel hub assembly for motor vehicles provided with a bearing unit, comprising:
at least one row of rolling bodies,
a flanged portion comprising a plurality of axial holes,
at least two sheet-metal elements rigidly joined together, the at least two sheet-metal elements comprising a first sheet-metal element defining a raceway for the at least one row of rolling bodies, and a second sheet metal element,
wherein the first sheet-metal element comprises:
a radially outer annular portion configured to form the flanged portion; and
an axially inner cylindrical portion;
wherein the second sheet-metal element comprises:
a radially outer annular portion configured to form the flanged portion, and
an axially inner cylindrical portion directly contacting the axially inner cylindrical portion of the first sheet metal element.
 
11. A method of forming a bearing unit comprising:
providing a first sheet metal element defining a raceway and comprising an axially inner cylindrical portion, and a flange portion comprising a plurality of axial holes;
providing a second sheet metal element comprising an axially inner cylindrical portion, and a flange portion comprising a plurality of axial holes;
providing a third sheet metal element comprising an axially outer cylindrical portion, and a flange portion comprising a plurality of axial holes;
directly joining the flange portion of the first sheet metal element to the flange portion of the second sheet metal element;
directly joining the axially inner cylindrical portion of the first sheet metal element to the axially inner cylindrical portion of the second sheet metal element; and
directly joining the flange portion of the second sheet metal element to the flange portion of the third sheet metal element.