BEARINGS AND PARTS OF BEARINGS AND ACCESSORIES OF BEARINGS-TO WIT, HOUSINGS, WATERCOOLING COILS, COIL BAFFLE PLATES, AIR-SEAL RINGS, OIL-SEAL RINGS, SUCTION RINGS, SHAFTS, SHAFT NUTS, THRUST BLOCKS, STUFFING BOXES, FLEXIBLE COUPLING FLANGES, INSULATED SUBBASES, OIL SCRAPERS