1.Product Overview The 6004-2Z/C3 is single row deep groove ball bearing equipped with double non-contact metal dust shields and C3 enlarged radial clearance. Double-sided ZZ metal shields block floating dust and retain internal grease, suitable for dry and dusty working environments. C3 extra clearance reserves expansion gap to prevent bearing seizure caused by thermal expansion under continuous high-speed and high-temperature operation. It can bear combined radial loads and