Butler Newall spindle repair BTG 4124 91BTG4124 3600rpm
Butler Newall spindle repair BTG 4124 91BTG4124 3600rpm

DR7002316 Lower bearing
DR7001173 Double row taper bore bearing
DR7001854M Plate & Grind Journal – Manual spindle motor or live tool
DR7000087 Dynamic Balance Rotating Part
Inspection Results:
- The lower spindle journal diameters are worn and undersized. We recommend plating and grinding this area.
- 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 upper and lower bearings show some wear on the inner and outer diameters.
- The unit will be assembled and tested.