AEC cylindrical roller bearings are available in several design variants and dimensional series in single row, double row, and four-row configurations. A radial cylindrical roller bearing comprises of inner ring outer ring, and roller-cage assembly...
Single row series metric - n, nf, nh, nj, nu, nuj, nup, nupj inch - cfl, cfm, crl, crm, llrj, mmrj, xlrj double row series metric - nn, nnu, ncf without ir series metric - rnu 200, 300, 400, 1000, 2200, 2300 full complement series metric - njg....