AD21M, 13YYG834, 20000rpm
DR7002278 Lower bearing
DR7002277 Upper bearing
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.
- The unit will be assembled and tested.