DR7000790 Lower bearing
DR7000870 Upper bearing
DR7000009M Dust Grind Taper – Manual spindle motor or live tool
DR7001854M Plate & Grind Journal – Manual spindle motor or live tool
DR7000039 Bearing Cartridge Repair
DR7000087 Dynamic Balance Rotating Part
DR7000041 Spindle Repair Labor And Assy

Inspection Results:

•The spindle journal diameters are worn and undersized. We recommend plating and grinding the upper and lower journals.
•The upper bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required.
•The lower bearing housing inner diameter is larger than design specifications and shows some wear. We recommend boring and bushing the lower housing.
•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 unit will be assembled and tested.