Study on contact angle of double-decker bearing with consider of centrifugal expansionJing Hu, XiaoLi Qiao, QiongYing Lv, XinMing Zhang, JiuTong Zhai and HaiLong LiE3S Web Conf., 231 (2021) 03005DOI: https://doi.org/10.1051/e3sconf/202123103005