Bearing apparatus
First Claim
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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, andwherein the outwardly projecting part extends axially outward of an axially outermost portion of the annular body.
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Abstract
An outer ring is provided with a key groove radially extending from an inner diameter to an outer diameter on an end surface thereof. A key member includes an annular body, an inwardly projecting part which is provided on an inner periphery of the annular body and adapted to be inserted into the 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 a key groove of an axle box.
21 Citations
14 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, and wherein the outwardly projecting part extends axially outward of an axially outermost portion of the annular body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification