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Common cylindrical roller bearing model difference

Common cylindrical roller bearing model difference


"Cylindrical roller bearing model specification" is a problem that many customers will encounter when choosing bearings. Cylindrical roller bearings have various types and specifications. According to whether the ring has ribs, cylindrical roller bearings can be divided into NU, NJ, NUP, N, NF and other single row bearings, and NNU, NN type double row bearings. The figure below shows the structure of a common cylindrical roller bearing with a cage.

Cylindrical roller bearings also have double-row NN-shaped, NNU-shaped and four-row cylindrical roller bearings. Cylindrical roller bearings generally use stamped steel cages, larger sizes or for high-speed rotation use brass turning cages, double-row or four-row cylindrical roller bearings use pin cages to prolong the service life of the bearings. It is widely used in reducers, pulley blocks, printing machinery and other occasions.

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