Patents Assigned to Ningbo City Zhenhai Silver-Ball Bearing Co., Ltd.
  • Deep groove ball bearing with a rotor
    Patent number: 10197101
    Abstract: A deep groove ball bearing with a rotor is disclosed by the present invention.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: February 5, 2019
    Assignee: Ningbo City Zhenhai Silver-Ball Bearing Co., Ltd.
    Inventors: Zhigen Li, Huahai Xiao