Single Row Four Points Contact Ball Bearing for Wide Range Excavator

Xuzhou Wanda Slewing Bearing slewing rings to a wide range of excavators, a good replacement slewing ring bearings used on Komatsu, Hitachi, Kobelco, Caterpillar, Hyundai and so on.

Slewing bearing is widely used in construction machinery, especially excavator. The feature of excavator slewing bearing is with hardened inner gear and the common diameter ranges from 1m-2m. 

As the single row contact ball slewing bearing is mainly bear axial load and tilting moment during excavator is working, slewing bearing is crucial to the long service time of excavator. So we must attach much importance to the quality and maintenance of the bearing.

First, in order to provide good quality slewing bearing, XZWD uses high quality forgings, balls, spacers and seals; and during production, we strictly control production process and precision.

Second, regular and good maintenance of slewing bearing is also very import, there are following six steps to save slewing ring bearings.

1. Grease regularly.

2. Purge with grease.

3. Inspect the grease.

4. Honor load charts.
5.Avoid repetitive, heavy loads.

6. Predict failure and repair the bearing.