Leeson Spindle Repair


When this Leeson spindle arrived at Northland Tool and Electronics we completed a full breakdown and evaluation.  Upon inspection, we noted that the wheel hub taper was showing wear and the contact angle is slightly off.  The #3 bearing felt slightly scratchy and the preload was light.  No dimensional deviations were found on this spindle.



The following actions were performed on this Leeson spindle:

  • Clean, inspect overall dimensions
  • Replace bearings and add wave spring or shim to stiffen the preload
  • Kiss grind the OD taper



After reassembly of all components, adjusting bearing preload, and undergoing break-in and testing procedures, this spindle passed our final quality inspection before being returned to our customer with a 1-year warranty.

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