1. Product Overview The 6203-2Z/C3 is single row deep groove ball bearing equipped with double non-contact metal dust shields and C3 enlarged radial clearance. The dual ZZ metal shields block floating dust and lock internal grease inside bearing, suitable for dry dusty working environments. C3 extra clearance reserves expansion gap to eliminate thermal expansion jamming under continuous high-speed and high-temperature operation. It bears combined radial load and light