A-B11255MA-AI BRNG, BALL 6203-A-C3One New Aftermarket Replacement 6203 C3 Deep Groove Ball Bearing This 6203 C3 is a single row open deep groove radial ball bearing with C3 internal clearance, conforming to ISO 6200 series standards. The C3 clearance designation indicates increased internal looseness compared to standard clearance, making this bearing well suited for applications with higher operating speeds or elevated temperatures where thermal expansion must be accommodated. Deep