BEARING DEVICE FOR RAILROAD VEHICLE
PROBLEM TO BE SOLVED: To provide a bearing device for a railroad vehicle, capable of surely preventing belly abutting without complicating the shape of a seal member, and elongating the life of grease. SOLUTION: This bearing device 10 for the railroad vehicle is provided with a bearing 11 to be impo...
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Main Author | |
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Format | Patent |
Language | English |
Published |
11.11.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide a bearing device for a railroad vehicle, capable of surely preventing belly abutting without complicating the shape of a seal member, and elongating the life of grease. SOLUTION: This bearing device 10 for the railroad vehicle is provided with a bearing 11 to be imposed radial load, in a bearing part. The bearing 11 includes: an inner ring 14 into which a rotating shaft is internally engaged; an outer ring 16; a plurality of rolling elements 18 rotatably arranged between the inner ring 14 and the outer ring 16; a holder 19 for rotatably holding the rolling elements 18; and a sealing device 13 having a seal member 29 sliding on a rotating shaft side member 22. Air holes 28b, 22c are formed in the rotating shaft side member 22 to communicate a sealed space formed between the seal member 29 and the rotating shaft side member 22 by the seal member 29 with a bearing space of the bearing 11. COPYRIGHT: (C)2005,JPO&NCIPI |
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Bibliography: | Application Number: JP20030114456 |