Includes (1) 330003-17 Ball BearingNew, Bulk PackedGenuine OEM Replacement Part # 330003-17Consult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Black and Decker: BD5000 -2 Sander, 9443, Q500, TV800 T.V, 4247-90, 4247, 5580 -2 4, 6246 4, 6247 4, BD7000 4, ET1350 4 Inch Snap On, MT6147 4, 24664 4, 2750 -101, 27709 Inch, 27723 4 Inch, 27726 4, 1350, 6930 4, GR871 14 Chop, 3379 ELU Plate Joiner, 3382 ELU Flat Dowel Jointer, 6162 Polisher, 6160 -2 Palm Grip Sander, 6147 4 Sander /, 4024 -6 Belt Sander, 4023 -6 Sander, 4011 Finishing Sander, 4011-04 Plus 1/4 Sheet Palm Grip Sander, 2771, 27708 5 With EVS, 27707, 2714 -2 Palm Grip Sander, 2711 -2 Industrial Finishing Sander, 25708 5 Orbital Sander, 24864 Palm Sander, 24863 Palm Sander, 370 1/4 Sheet Palm Sander, 9748 Tiger, 331678 Recon Flex Reciprocating, 27730 -4 Plate Joiner, Porter Cable: 9748 Variable-Speed Dual Action Quick-Change Tiger, 343, 344 -2 PSA, 343VS, 342 -2 1/ Sheet Palm Sander, 7800 Sander, 380 1/4 Sheet Sander, 382 5 Palm Grip Sander, Metabo: PSE1200-00 230 Tiger Saw