BEARING APPARATUS
First Claim
1. A bearing apparatus to be supported by an axle box which includes a key groove, the bearing apparatus comprising:
- an outer ring which includes a first key groove extending from an inner diameter to an outer diameter of an axial end surface of the outer ring;
an inner ring;
rolling elements rollably interposed between the outer and inner rings; and
a key member which includes an annular body, a first inwardly projecting part which is provided on the annular body and adapted to be inserted into the first key groove of the outer ring, and an outwardly projecting part which is provided on an outer periphery of the annular body and adapted to be inserted into the key groove of the axle box, wherein the annular body includes an inwardly directed flange part,the outwardly projecting part extends from the flange part in an axial direction thereof, andan inner diameter of the outwardly projecting part is substantially equal to an outer diameter of the outer ring.
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Accused Products
Abstract
A bearing apparatus to be supported by an axle box which includes a key groove, the bearing apparatus includes an outer ring which includes a first key groove extending from an inner diameter to an outer diameter of an axial end surface of the outer ring, an inner ring, rolling elements rollably interposed between the outer and inner rings, and a key member which includes an annular body, a first inwardly projecting part which is provided on the annular body and adapted to be inserted into the first key groove of the outer ring, and an outwardly projecting part which is provided on an outer periphery of the annular body and adapted to be inserted into the key groove of the axle box.
2 Citations
5 Claims
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1. A bearing apparatus to be supported by an axle box which includes a key groove, the bearing apparatus comprising:
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an outer ring which includes a first key groove extending from an inner diameter to an outer diameter of an axial end surface of the outer ring; an inner ring; rolling elements rollably interposed between the outer and inner rings; and a key member which includes an annular body, a first inwardly projecting part which is provided on the annular body and adapted to be inserted into the first key groove of the outer ring, and an outwardly projecting part which is provided on an outer periphery of the annular body and adapted to be inserted into the key groove of the axle box, wherein the annular body includes an inwardly directed flange part, the outwardly projecting part extends from the flange part in an axial direction thereof, and an inner diameter of the outwardly projecting part is substantially equal to an outer diameter of the outer ring. - View Dependent Claims (2, 3, 4, 5)
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Specification