Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 NUCLEAR REACTORS, BOILERS, MACHINERY AND MECHANICAL APPLIANCES; PARTS THEREOF 84 83 AND SHAFT COUPLINGS (INCLUDING UNIVERSAL JOINTS). 84 83 30 BEARING HOUSINGS,NOT INCORP.BALL/ROLLER BEARINGS:FOR ROAD MOTOR VEH. ENG. Commodity Code Description 84 83 30 10 BEARING HOUSINGS,NOT INCORP.BALL/ROLLER BEARINGS:FOR ROAD MOTOR VEH. ENG. 84 83 30 20 BEARING HOUSINGS, NOT INCORP. BALL/ROLLER BEARINGS: FOR MARINE ENGINES 84 83 30 30 BEARING HOUSINGS, NOT INCORP. BALL/ROLLER BEARINGS: FOR AIRCRAFT ENGINES 84 83 30 90 OTH.BEARING HOUSINGS,NOT INCORP.BALL/ROLLER BEARINGS;PLAIN SHAFT BEARINGS