A single cylindrical roller bearing:

A single cylindrical roller bearing is separable bearing, easy to install and disassemble, two front-runners can be used with tight, correction of the roller and groove contact between line can reduce stress concentration.
 
Double row cylindrical roller bearing:

Double row cylindrical roller bearing belong to swimming bearing, its can separate to install and remove sex is very convenient. Two rings should be adopted a tight fit.
Double row cylindrical roller bearing almost does not allow to have the dip Angle.
 
The cylindrical roller bearing structure form:
N type, and NU type fuel outlet NN type, and NNU type applies to free side bearings.

NF, NJ, NUH type bearings is under one-way axial load ability. NUH type bearings is the basic structure and NU type fuel outlet bearing block circle (L circle).

NH type, type and NUP NP type bearings is characterized by to bi-directional load ability.

The NN30 series conical hole cylindrical roller bearing spindle radial mainly used as the support.

NNU49 series double cylindrical roller bearing.
N19 N10, single cylindrical roller bearing.
SL type
No inner circle of RNU type cylindrical roller bearing




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