1. Heavy-radial loads, High-speed 2.High-quality, good price& prmopt delivery 3.GCR15&GCR11 Material They can be classified into single row, double rows and four rows. As per different rib of the ring, single-row cylindrical roller bearings can be divided into N series, NU series, NF series, NUP series and so on. Cylindrical roller bearings N series Cylindrical roller bearings NU series Cylindrical roller bearings NF series Cylindrical roller bearings NUP series Features