High speed bearing cage
AssigneeSchaeffler Technologies AG & Co. KG
InventorGuihui Zhong
Life of this patent
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Abstract
A bearing cage is disclosed that includes a first ring and a second ring with a plurality of crossbars extending therebetween to define a plurality of rolling element pockets. The first ring and the second ring each include a plurality of radially outward protrusions, a plurality of reliefs, and a plurality of axially extending protrusions extending into the plurality of rolling element pockets. The plurality of crossbars each include a plurality of retention tabs configured to engage rolling elements in the plurality of rolling element pockets.
Claims18
A bearing cage comprising:
- a first ring and a second ring with a plurality of crossbars extending therebetween to define a plurality of rolling element pockets,
- the first ring and the second ring each including:
- a plurality of radially outward protrusions,
- a plurality of reliefs;
- and
- a plurality of axially extending protrusions extending into the plurality of rolling element pockets,
- wherein the plurality of radially outward protrusions, the plurality of reliefs, and the plurality of axially extending protrusions each at least partially overlap with each other in a radial direction;
- and
- the plurality of crossbars each including:
- a plurality of retention tabs configured to engage rolling elements in the plurality of rolling element pockets.
A bearing cage comprising:
- a first ring and a second ring with a plurality of crossbars extending therebetween to define a plurality of rolling element pockets,
- the first ring and the second ring each including:
- a plurality of radially outward protrusions, wherein circumferential areas defined between the plurality of radially outward protrusions are configured to define lubrication channels,
- a plurality of reliefs;
- and
- a plurality of axially extending protrusions extending into the plurality of rolling element pockets;
- and
- the plurality of crossbars each including:
- a plurality of retention tabs configured to engage rolling elements in the plurality of rolling element pockets.
A bearing assembly comprising:
- (i) a bearing cage including:
- a first ring and a second ring with a plurality of crossbars extending therebetween to define a plurality of rolling element pockets,
- the first ring and the second ring each including:
- a plurality of radially outward protrusions,
- a plurality of reliefs;
- and
- a plurality of axially extending protrusions extending into the plurality of rolling element pockets,
- wherein the plurality of radially outward protrusions, the plurality of reliefs, and the plurality of axially extending protrusions each at least partially overlap with each other in a radial direction;
- and
- the plurality of crossbars each including:
- a plurality of retention tabs configured to engage rolling elements in the plurality of rolling element pockets;
- and
- (ii) a plurality of rolling elements arranged in the plurality of rolling element pockets.
Dependencies are inferred from the claim text.