Bosch, Craftsman, Delta, Dewalt, Dremel, Hilti, Klein, Kobalt, Makita, Mastercraft, Maximum, Milwaukee, Porter Cable, Ridgid, Rockwell, Ryobi, Skil, Stanley, Worx PGN 6200-ZZ Bearing. $3 each 10x30x9mm Bearings with Metal Shield & High RPM Support.