8483: Transmission shafts & cranks, bearing housing; gearing; ball screws;

848310: Transmission shafts and cranks, including cam shafts and crank shafts 848320: Bearing housings, incorporating ball or roller bearings 848330: Bearg housings, not incorporatg ball/roller bearings; plain shaft bea 848340: Gears & gearing, ball screws, gear boxes, speed changers/torque conve 848350: Flywheels and pulleys, including pulley blocks 848360: Clutches and shaft couplings (including universal joints) 848390: Parts of power transmission equipment/oth goods usd to transmit power 8483: Transmission shafts & cranks, bearing housing; gearing; ball screws;