... :ZZ,RS 4,Noise level:Z1,Z2 double row cylindrical roller bearing 1,ABEC-3,5;Z2V2, ... :ZZ,RS 4,Noise level:Z1,Z2 double row cylindrical roller bearing is in line contact with ... single, double and multiple rows among which the single row cylindrical roller bearings are most applicable. Normally these ... can accommodate radial load only, none but single row bearings with ribs both on inner and outer rings ...