P/n: 1200(k)series 1300(k)series 2200(k)series 2300(k)series Precision:p0 p6 p5(abec-1, abec-3, abec-5) Seal: open, 2rs Material: chrome steel gcr15 Hardness:hrc 60-65 Packing: according to customer requests Service: oem service accepted, replacement of skf, fag. Nsk, lyc zwz, ntn, koyo, iko Welcome to contact us at anytime, thank you! Packing: according to customer requests