• NU222 Cylindrical roller Bearings mill roll bearing System 1
  • NU222 Cylindrical roller Bearings mill roll bearing System 2
  • NU222 Cylindrical roller Bearings mill roll bearing System 3
  • NU222 Cylindrical roller Bearings mill roll bearing System 4
NU222 Cylindrical roller Bearings mill roll bearing

NU222 Cylindrical roller Bearings mill roll bearing

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
5000000 pc/month

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Specification of Cylindrical roller bearings:


Cylindrical roller bearings belong to separable bearings, whose inner and outer rings are linearly contacted with rollers. They have small friction coefficient, bigger capacity of bearing  radial load and are applicable to both bearing heavy load and impact load and high-speed rotation. Cylindrical roller bearings have the advantages of compact structure, strong stiffness, big bearing capacity, small deformation after loaded etc.

CNBM has already successfully developed split cylindrical roller bearings which can be freely installed at any time and any place, to meet the demand of driving and conveying rollway bearings at cooling area of continuous casting. CNBM also can provide special cylindrical roller bearings according to requirement of customers.


Product Application: 


- Iron and steel metallurgical industry

- Medium and large motor

- Generator

- Combustion engines

- Machine tool spindle

- Speed reducer

- Loading and unloading machinery and all kinds of industrial machinery



Single row cylindrical roller bearings


- NU, N single row cylindrical roller beaings

NU type and N type allows axis relative the cage within the scope of certain to do axial movement, it would adapt for thermal expansion or installation error caused by the shaft and housing relative position changes, they suit to use for free end bearing. Because they can not limit shaft and the shell axial displacement, and  can only bear the radial load.


- NJ, NF single row cylindrical roller bearings

Both NJ and NF can bearing single direction axial load in a certain extent.


- NUP single row cylindrical roller bearings

NUP type bearings with double outer rid, single inner rid and  loose rid, this design is possible to limit the axial displacement of the shaft or the housing in double direction within the scope of the axial clearance. in addition they mainly used to bear radial load, also can withstand diameter, the axial union load. Therefore this NUP suitable for fixed end bearings.


- NCL…V single row cylindrical roller bearings

No outer rim but with double lock ring without cage cylindrical roller bearing.

The bearing no cage, roller number is more, and size of the same other cylindrical roller bearing is able to withstand the big radial direction load, but its limit rotational speed is low. The bearing inner ring and outer inseparable, cannot install respectively, can limit shaft or housing of the two directions of the axial displacement in bearing axial clearance within the limit.



Bearing   No.dDB(mm)Weight(kg)Bearing No.dDB(mm)Weight(kg)












NU2021535110.047




NU2031740120.068




NU2042047140.110NU3042052150.150
NU2052552150.130NU3052562170.240
NU2063062160.200NU3063072190.360
NU2073572170.300NU3073580210.480
NU2084080180.370NU3084090230.650
NU2094585190.430NU30945100250.900
NU2105090200.480NU31050110271.150
NU21155100210.660NU31155120291.450
NU21260110220.810NU31260130311.800
NU21365120231.050NU31365140332.250
NU21470125241.150NU31470150352.750
NU21575130251.250NU31575160373.300
NU21680140261.500NU31680170393.950
NU21785150281.900NU31785180414.700
NU21890160302.350NU31890190435.450
NU21995170322.850NU31995200456.250
NU220100180343.450




NU221105190364.000




NU222110200384.800








Q:Can you make it clear? I don't understand. Thank you for being here first.
The rollers refer to the rolling bodies as cylinders and similar cylindrical shapes, such as short columns, long columns, tapered rollers, spherical rollers, etc..
Q:What are full cylindrical roller bearings?
Full cylindrical roller bearingCommon cylindrical roller bearings1, single row full cylindrical roller bearingsNCFNJG2 、 double row full cylindrical roller bearingNNCLNNCFNNCNNFTwo, not common full cylindrical roller bearings1, full spherical cylindrical roller bearings2, CARB ring roller bearings
Q:Cylindrical roller bearingWhat are cylindrical roller bearings, are they available in Kunshan?
This is the simple cylindrical roller bearing rolling body is cylindrical roller, divided into full (no fixed retainer) and belt retainer 2 categories, because the rolling roller, so the axial bearing capacity relative to the ball bearing to be bigger.
Q:Why does cylindrical roller bearings fail abnormally?
5, improper reinforcement of uranium bearing seat, so that the bearing capacity of the axle is uneven, the bearing seat is provided with holes, or some fasteners, such as a compression screw, etc., are supported, and the supporting parts are provided with grooves or printing places near the roller track of the cylindrical roller bearings.
Q:Cylindrical roller bearings NUP2311E mounting dimensions: Da (max): 69Da (min): 64DB (min): 72DC (min): 80Da (max): 111What are the specific meanings of these dimensions? Thank you, master
This is a bit too small to understand, because different installation methods are different from each other. It is recommended that the landlord refer to the installation of cylindrical roller bearings, the above is very clear.
Q:Can cylindrical roller bearings bear high temperature?
A class of grease, temperature is not more than 120 degrees, and then high temperature will lose lubrication performance, leading to the bearings can not work, in fact, bearing itself can withstand high temperature.
Q:My notes is the former has a taper hole on the cone position preload, the latter is a nut. But the online information seems a little different. Are the preload methods for two direction thrust angular contact bearings and angular contact ball bearings the same?
Dissimilarity! The former is mainly used as the support of the shaft with larger load. The main prevention is the radial runout, which is usually used individually, so there is not much demand for the preload. The latter is mainly used as a precision screw shaft for the radial motion and axial runout requirements are very strict, generally used when they are two back-to-back, when pre tightening have strict requirements, general requirements for the radial motion and axial runout should not exceed 5 per thousand mm.
Q:what does that mean? Please enlighten master, thank you.
You should say that the Japanese NSK bearings? NSK, N216, E stands for high load cylindrical roller bearings, N216 EM, which represents high load cylindrical roller bearings, copper alloy solid cage. E, which means strengthening the design, so the load capacity of bearings is better than without E.
Q:Full use roller bearings
INA full capacity roller bearings have many uses and many applications. Germany FAG bearing group global production of rolling bearings and linear products leading enterprises, not only FAG bearings of good quality, but more importantly, FAG industrial services. In order to extend the life of the railway axle box bearing unit, it is decided that the new FAG axle box bearing unit industry service will be added. We will go to Shanghai FAG bearing China general agent to learn about FAG new axle box bearing units, reprocessing industrial services and other industrial services. The FAG industrial services reprocessing service itself includes thorough cleaning of all bearings, as well as inspection of the dimensions and functions of the entire bearing units. Will re adjust the crankcase clearance, re lubrication SKF bearings, any wear parts will be replaced, if requested by the client, bearing data can also be recorded in the database, for future tracking and review.
Q:Cylindrical roller and bearing outer ring processing is sheet metal forming?
Bearing parts, the main size tolerances are fighting between 0.01 mm, ultra poor 1/1000 mm, are scrap. Tolerances for precision bearings are extremely stringent, such as the diameter of each steel ball (or roller) and the diameter of the inner and outer rings. Surface hardness of more than HRC60 (as a metal cutting tool material of high-speed steel, hardness is HRC65-68). High quality bearings, these are strictly controlled.

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