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곽현덕(H. D. Kwak),전성민(S. M. Jeon),김진한(Jinhan Kim),조광래(G. R. Cho),김선용(S.Y. Kim),우관제(K. J. Woo) 한국트라이볼로지학회 2004 한국트라이볼로지학회 학술대회 Vol.38 No.-
In a turbopump cryogenic ball bearings are used to carry static and hydraulic loads, and these ball bearings must stand up to high load and speed in cryogenic circumstance. Verification of bearing performance is crucial to successful development of a turbopump. In this paper, focusing on the turbopump under developing by KARI, the performances of 203 and 207 bearings are verified through the series of tests simulating the real operating condition of turbopump.