MTA8740-3.3, MMT0010340, 6000rpm

DR7001467 Taper roller bearing
DR7001468 Taper roller bearing
DR7000070 Deep groove bearing
DR7000473 Angular contact bearing
DR7002071 Needle roller bearing
DR7000009M Dust Grind Taper – Manual spindle motor or live tool
DR7001854M Plate & Grind Journal – Manual spindle motor or live tool
DR7000024 Misc. Seals / Grease / etc…
DR7000041 Spindle Repair Labor And Assy

Inspection Results:

  • The spindle journal diameters on the upper drive journal and lower gear journal are worn. The journal is also worn where the gears seats. We recommend plating and grinding these areas.
  • The bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required.
  • The taper is worn. We recommend dust grinding the taper.
  • The bearings show some wear on the inner and outer diameters.
  • The gears are in good shape and show little wear.
  • The unit will be assembled and tested.