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  • CME observation: about 50000 excavators sold in April in China


    After grass root investigation and market research, CME estimated that China's excavator (including export) sales volume was about 50000 in April 2021, with a year-on-year growth of about 10.07%.From the perspective of market:The estimated sales volume of domestic market is 45000, with a growth rate Read More

  • Slewing ring bearing market situation in March 2021


    Slewing ring bearing as the core part of turntable unit, it is the most important part for Excavators. The market demand for slewing bearings can be reflected from the market situation of excavators. After investigations and market research, CME estimates that the sales of excavators (including exp Read More

  • Maintenance of Hydraulic Excavator Slewing Bearing


    Hydraulic excavators generally use single-row 4-point contact ball internal tooth slewing bearings. When excavator is working, the slewing bearing bears complex loads such as axial force, radial force, and tipping moment, and its reasonable maintenance is very important. The maintenance of the slewi Read More

  • Basic Structure of Slewing Ring


    The slewing ring( is the same as other ordinary bearings. It has rolling elements and raceways, but the difference is that the slewing ring has many different characteristics:1. The size of the slewing bearing( is relatively large, its diameter is usually 0. Read More

  • Dual-Worm Slewing Drive


    Dual-Worm Slewing Drive Slewing drives are mainly applied in port machinery, mining machinery, welding machinery, construction vehicles, modular vehicles, single and dual axis solar tracking systems, and small wind power systems etc. There are mainly SE series and WEA series to meet both regular Read More

  • What is SE slew drive?


    Bearing selection for low-speed applicationsWhen selecting bearings for any purpose, ultimately you want to achieve the required level of equipment performance and durability at the lowest cost. When compiling bearing specifications for an application, some key factors must be considered. To help yo Read More

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Xuzhou WanDa Slewing Bearing Co.,Ltd.
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