... ZZ,RS 4,Noise level:Z1,Z2 four row cylindrical roller bearings is in line contact with the raceway, so the ... multiple rows among which the single row cylindrical roller bearings are most applicable. Normally these bearings can accommodate radial load only, none ... Lubrication Lubrication Groove &3 Holes in Outer Ring Structure Cylindrical roller bearings N series,NU series,NF series,NUP series Features ...