Heald Red Head, 500-94-A, 117394, 24000rpm, 245v, 400 Hz

Heald Red Head, 500-94-A, 117394, 24000rpm, 245v, 400 Hz

DR7002493 Lower bearing
DR7002494 Upper bearing
DR7000009M Dust Grind Taper – Manual spindle motor or live tool
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 meets design specifications and shows no appreciable wear. No modification is required.
  • The lower bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required.
  • The taper runout is larger than design specifications. We recommend dust grinding the taper.
  • The upper and lower bearings show some wear on the inner and outer diameters. The bearings quoted are open ceramic and we will add grease.
  • The stator passed the phase and insulation tests.
  • The trunnions are in line and show no wear on the outer diameters.
  • The unit will be assembled and tested.