In-situ machining of bearing seat & flatness inspection

During the slew bearing replacement, before the installation of new bearing, the flatness and surface finishing of bearing seat area is of crucial importance. Poor bearing seat flatness and surface smoothness will have an adverse effect on the bearing life.

Achieving flatness within 0.2mm and surface roughness within Ra3.2 is common. But these values depend on the manufacturer’s recommendations.

Both upper and lower seating surfaces shall be machined and inspected for the best results.

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