Ball bearings are widely used in excavators.As a heavy-duty mechanical equipment, the working principle and structure of the excavator determine the importance and complexity of bearings. The main moving parts of the excavator, such as the swing arm, bucket and travel mechanism, all require bearings to support and guide. These bearings not only need to withstand huge loads, but also need to operate for a long time in harsh working environments, so there are high requirements for the durability and reliability of the bearings.
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