... most widely used bearing 2.Low friction, high speed. Packaging & Delivery Packaging Detail:1. Industrial packaging: plastic bag + kraft paper + carton + ... RS, 2RS, N, NR, ZNR etc.Material: Chrome Steel ( GCr15=DIN 100Cr6 )Precision: ABEC-1(P0), ABEC-3(P6), ABEC-5 ... ,0003.02631580170392.112386.54,0004,7003.596316Products Information Products Show high-quality 6300 seires deep groove ball bearing