Mazak QTN350MY-11 238379 4000rpm radial live tool repair
Mazak QTN350MY-11 238379 4000rpm radial live tool repair

DR7001358 Angular contact bearing
R188212 Angular contact bearing
DR7000973 Angular contact bearing
DR7001127 Needle roller bearing
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 show no appreciable wear and are acceptable for proper bearing fits. The upper drive journal is rough and worn. We recommend dust grinding plating and grinding this area.
- The 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 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.