Double-row rolling bearing

F - Mech Eng,Light,Heat,Weapons – 16 – C

Patent

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Details

F16C 19/56 (2006.01) F16C 33/32 (2006.01)

Patent

CA 2553650

The invention relates to a double-row roller bearing (1) comprising a one- piece bearing ring (2), a bearing ring (3) that is split in the axial direction, and rolling bodies (4, 5) that are arranged between said two bearing rings. The rolling body (4) of the first row (6) has a first diameter (d1), and the rolling body (5) of the second row (7) has a second diameter (d2) that is different to the diameter (d1) of the rolling body (4) of the first row (6). Said rolling bodies (4, 5) consist of a ceramic material, and the contact angle (.alpha.1) of the first rolling body row (6) is different to the contact angle (.alpha.2) of the second rolling body row (7).

L'invention concerne un palier à roulement à deux rangées (1) qui comprend une bague de roulement monobloc (2) et une bague de roulement (3) séparée en deux en sens axial, entre lesquelles sont placées des corps de roulement (4, 5). Selon l'invention, les corps de roulement (4) de la première rangée de corps de roulement (6) ont un premier diamètre (d¿1?) et les corps de roulement (5) de la deuxième rangée de corps de roulement (7) ont un deuxième diamètre (d¿2?), différent du diamètre (d¿1?) des corps de roulement (4) de la première rangée (6). Les corps de roulement (4, 5) sont en matériau céramique et l'angle de contact (.alpha.¿1?) de la première rangée de corps de roulement (6) est différent de l'angle de contact (.alpha.¿2?) de la deuxième rangée de corps de roulement (7).

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