Cylindrical Roller Bearings are designed to handle radial load at high performance and speed. According to the presence or absence
of ribs, it can be divided into NU, NJ, NUP, N, NF, NH and other single-row cylindrical roller bearings, and NNU, NN and other
double-row cylindrical roller bearings.
The bearing has a separable inner ring and outer ring structure.Pressed steel or machined brass cages are generally used, but
sometimes molded polyamide cages are also used.