Model:6001-2Z/2RS/Z/RS/N/NR/ZNR/open type etc...
Material: Chrome Steel ( GCr15=DIN 100Cr6).
Precision: ABEC-1(P0), ABEC-3 (P6), ABEC-5(P5).
Vibration & Noise availability: Z, Z1, Z2, Z3, Z4; V, V1, V2, V3 etc. For big size, usually in normal grad ...