Haas, VF-4SS, s/n 31513, 1700rpm

Haas, VF-4SS, s/n 31513, 1700rpm

DR7001713 Lower bearing
DR7000214 Upper bearing
DR7000039 Bearing Cartridge Repair
DR7000087 Dynamic Balance Rotating Part
DR7000041 Spindle Repair Labor And Assy

Inspection Results:

  • The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits.
  • The upper bearing housing inner diameter is larger than design specifications and shows some wear. We recommend boring and bushing the upper housing.
  • The lower bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required.
  • The upper and lower bearings show some wear on the inner and outer diameters.
  • The stator passed the phase and insulation tests.
  • The unit will be assembled and tested.