Advantages of cylinder roller bearing:


1. Roller and raceway contact or repair off the assembly line for the line contact, the radial load capacity, suitable to withstand heavy load and shock load.
2. Friction coefficient is small, suitable for high-speed, speed close to the deep groove ball bearings.
3. N type and NU type can move axially, can adapt to errors due to thermal expansion or installation of the shaft and housing caused by changes in relative position can be used for supporting the free end.
4. Requirements on shaft or housing bore machining are higher, and bearing outer ring axis relative deflection after installation should be strictly controlled to avoid contact stress concentration.
5. Detachable inner or outer ring for easy installation and removal.

Single cylindrical roller bearing:


Single cylindrical roller bearing are seperatable and easy for istall and disassemble. Two rings can adopt fit, modified the contact line between roller and groove can reduce the stress concentration.
Double row cylindrical roller bearing:
Double row cylindrical roller bearing belongs to the winding bearings which separability make install and dismantling convenient. Two rings should be adopted a tight fit.
Double row cylindrical roller bearing nearly are not allowed to have angle of inclination.

Structures:


N, NU, NN, NNU are suitable to Free side bearings.
NF?NJ?NUH baerings can be under one-way axial load. Basic structure of NUH type bearings are NU bearings added a block circle (L circle)
Type NH, type NP and type NUP bearings is characterized by two-way axial load.
Tapered bore NN30 series of cylindrical roller bearings are radial support for machine tool spindle.
NNU49 series belongs to double cylindrical roller bearings. N19, N10 Single are single row cylindrical roller bearings. type SL without inner ring cylindrical roller bearings RNU