| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing test apparatus capable of accurately evaluating the characteristics of differential contra-rotating bearings. SOLUTION: The bearing test apparatus 30 includes a rotating shaft 1 for rotating an inner ring of a differential contra-rotating bearing 20; a rotating shaft 2 for rotating an outer ring of the differential contra-rotating bearing 20; a thermocouple 3a and a telemeter 3b for measuring the temperature of the inner ring; a thermocouple 4a and a telemeter 4b for measuring the temperature of the outer ring; and a sensor 6 for measuring the rotating state of a holder of the differential contra-rotating bearing 20. COPYRIGHT: (C)2007,JPO&INPIT
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