Mechanical element for special machines; COMPONENT: BALL BEARING; MACHINE: MAZAK PT20 -SERIES 219693; FOR RECIRCULATING BALL SCREW; CAR "V"; ACCORDING TO MAZAK PT-20 MECHANICAL PARTS MANUAL C386LA0012E; NO. OF PART: F09MFH90320 ;REFERENCES DRAWINGS 12-A1, ITEM 22; Brand 1: NACHI; N-part 1: 40TAB09BFFF