[1] [1] HU S W, SONG X L, ZHANG H. Integrated system of azimuth structure for extremely large telescopes［J］. Opt. Precision Eng., 2018,26(4): 850-856. (in Chinese)

[2] [2] JIA D SH, ZHANG M, ZHANG Y J. Determination of the rolling bearing preload［J］. Mechanical Research & Application, 2001, 14(4): 9-13.(in Chinese)

[3] [3] LI H G. THE Significance of rolling bearing preloading and the estimation of the preload froce［J］. Manufacture &Material, 2004, 42(9): 45-48. (in Chinese)

[4] [4] MA G SH, DING K R, ZHANG X P. Analysis of the influence of bearing preload on its performance and life［J］. Shandong Industrial Technology, 2016, 182(14): 204-205. (in Chinese)

[5] [5] LI B X, CHEN Q, ZHU Y F, et al.. Controling method of conical roller bearing preload［J］. Mechanical Manufacturing Technology, 2012,39: 27-74.(in Chinese)

[6] [6] ZHOU G, LI CH W, QIN T, et al.. Influence of temperature on preload of spatial precision bearing［J］. Bearing, 2018, 10(5): 43-46. (in Chinese)

[7] [7] LIU Z J. Rolling Bearings Application Manual［M］. Peking: China Machine Press, 2006. (in Chinese)

[8] [8] LI Y B, ZHAI H, KE Z ZH. Research on thin-walled column parts with finite element analysis method［J］. Journal of Hefei University of Technology, 2005, 28(2): 121-124. (in Chinese)

[9] [9] HUANG ZH G, SUN Q H, LI Y Q. Calculation of the inner shrinkage of a shaft sleeve under pressing［J］. China Energy and Enviromental Protection, 2000, 105(3): 19-20. (in Chinese)

[10] [10] LIU H W. Mechanics of Material［M］. Peking: Higher Education Press, 2007. (in Chinese)

[11] [11] PU L G, JI M G. Mechanical Design［M］. Peking: Higher Education Press, 2006. (in Chinese)

[12] [12] LI X L. Analysis of main factors affecting the friction torque in a sealed bearing［J］. Bearing, 1993(4): 23-26,44. (in Chinese)

[13] [13] ZHU J H. The research of the friction moment of low speed ball bearing［J］. Missiles and Space Vehicles, 2000(6): 20-25.(in Chinese)

[14] [14] ZHANG ZH Q, WANG D F, ZHOU H B. Study on stiffness of angular contact ball bearing［J］. Journal of Harbin Bearing, 2017,38(1): 8-11. (in Chinese)