This Kitamura My-Center Spindle has grease lubrication and is belt driven.
This particular spindle runs at 10K rpm and in the photos, Spindle Repair Technician, Andy, is breaking down the spindle and taking incoming measurements, photos, and checking the spindle for damage, runout, etc.
At the point I swung by to take some pictures of this spindle repair, Andy had found that the front bearings were worn and had a significant amount of contamination.
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Catastrophic bearing failure was the main cause of this spindle malfunction
Continue reading to learn how Northland Tool performed this repair and converted a Weiss GHK 176239 spindle from grease-injected to permanent grease lubrication…