Miyano BND 4252 BD3111SB2 5000rpm live tool repair

Miyano BND 4255 5000rpm live tool repair

Miyano BND 4252 BD3111SB2 5000rpm live tool repair

Miyano BND 4252 BD3111SB2 5000rpm live tool repair

Miyano BND 4255 5000rpm live tool repair

DR7002584 Lower bearing
DR7000489 Upper Bearing
DR7000024 Bearing Cap
DR7000024 Stepped Sleeve
DR7000024 Misc. Seals / Grease / orings, etc…
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 acceptable. Our proposal provides no repair to the spindle taper.
  • The upper and lower bearings show some wear on the inner and outer
    diameters.