High quality Cylindrical Roller Bearing

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Packaging & Delivery

Packaging Detail:1. Industrial Exporting Package with anti-tarnish paper/Carton/Pallet 2. Individual Paper Box/Carton/Pallet 3 Wraped by blue tie/Pallet
Delivery Detail:Upon the quantity, about 35-45 days


Cylindrical Roller Bearing:
1 Heavy radial and impact loading
2 Less coefficient of friction
3 High quality and good service




Product Description



What is a  Cylindrical Roller Bearing?

Cylindrical roller bearing are of high load capacity and can operate at high speeds because they use rollers as their rolling elements. They can therefore be used in applications involving heavy radial and impact loading.


The rollers are cylindrical in shape and crowned at the end in order to reduce the stress concentrations. They are also suitable for applications that require high speed because the rollers are guided by ribs which are either on the outer or inner ring.


More information

With the absence of ribs, either the inner or outer ring will move freely so as to adjust to axial movement hence can be used as free side bearings. This enables them to absorb shaft expansion to a certain extent, relative to the housing position.


NU and NJ type cylindrical roller bearing produce high performance results when used as free side bearings because they possess the required characteristics for that purpose. NF type cylindrical roller bearing also supports the displacement of the axial to a certain extent in both directions and therefore can be used as a free side bearing.


In applications where heavy axial loads have to be supported, cylindrical roller thrust bearings are the most suitable. This is because they are designed to contain shock loads, are stiff and the axial space required is little. They only support axial loads that are acting in a single direction.


Detailed applications

Specifically, our cylindrical roller bearings can be used in industrial transmission, automotive, electric motor, generator sets, elevating machinery, machine tool spindles as well as internal-combustion engines, etc.



These roller bearings can be separated and are easy to mount as well as dismount.


Product specification

NameCylindrical Roller Bearing
MaterialChrome steel
Seal TypeOpen
Precision RatingABEC1, ABEC3, ABEC5, ABEC7,ABEC9
Number of RowSingle Row, Double Row, Four Row

1.High quality and good service

2.Less friction and low noise

3.Competitve price


5.Ability to carry heavy loads

6.Less coefficient of friction

7.High limiting speed

8.Large size range:inner diameter from  20mm-800mm.

9.Variations of structure:NU,N,NJ,NF,NUP,NH,NCL...V,NB,NU...V,NNU,NNCF,NNCL,NNCS,FC,FCD,FCDP...

10  Physical Characteristics: 

      1)  Cylindrical roller bearing can be separated by single row,double rows and four rows.

      2)  This kind of bearing can be submitted to high radial load and some axial load.

      3)  The rolling element of cylindrical roller bearing is cylinder,the two ends of the external lines have the corrective slope which can eliminate the contact stress.

      4)  NN and NNU design cylindrical roller bearing have high rigid and apply to machines such as millings.


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Q:How to remove bearing seat?
The first fixed bearing seat, then stick latte from inside the bearings hole through the other end pry bar, slowly again gently. You can pull it down.
Q:Kazakhstan axis products are bearings such as UCFLU205?
You said the model, Kazakhstan axis needs special customization, ha axis is the production of external ball seat products, to UC and UCP series based, but the production model is not large
Q:General mounted ball bearings can adjust the heart?
Can the general mounted ball bearing outer circle arc
Q:Can the SNK bearing seat be fitted with a tight sleeve?
For example: match 22211EKSNL, 22511/1-11/16, TG for bearings:HA 311 tight sleeveTSN 511G oil sealFRB9.5/100 fixation ringSNL, 22609/1-7/16, TGA for 2309CCK/W33 bearings:HA2309 tight linerTSN609GA oil sealFRB4/100 fixation ringTapered bore bearings are usually mounted on a smooth (flat) shaft with the aid of a tight sleeve or a backing sleeve, but can also be mounted on a stepped shaft, and the bearings are secured to the shoulder by a precisely machined spacer.The sleeve is mounted on the cylindrical shaft so that the economically inexpensive round (cold rolled) shaft (tolerance H9) can be used.
Q:How does the bearing seat fit with the shaft and the bearings?
Under normal circumstances (plain bearings);The bearing block is a fixed bearing, generally installed on a fixed base.The bearing is installed in the bearing seat and the outer ring will not move.The shaft is installed in the inner ring of the bearing and is tightly matched with the inner ring.The inner ring of the shaft and bearing is moving, while the others are not moving.
Q:LK bearing LK is what mean
Hello, LK is the code name of bearing manufacturer, Fujian, Nanan. It's also called the bearing brand.
Q:What's the meaning of ucfb204 bearing
The nylon retainer can effectively prevent the static electricity caused by rotating friction.
Q:Does the spherical bearing seat seat seat each square diamond round what are the advantages and disadvantages.
The distance between the two bolt mounting holes of the diamond seat and the two diagonal bolts of the square seat is the same. The two seats can be used interchangeably.
Q:Where there is SKF bearing samples
Sample this kind of thing, you can only go to their website to look up, outside is not there, and this should not have electronic version, should be all paper, and only contact their company to get this
Q:The eccentricity and self-aligning of the bearing seat is not a mean
The installation of spherical roller bearings have two raceways in the inner and outer ring raceways between spherical assembly, a drum shaped roller bearings. The center of curvature of the raceway of the outer race is consistent with the center of the bearing, so it has the same self-aligning function as the self-aligning ball bearing. When the axle and shell are bent, the axial load in two directions can be automatically adjusted. Radial load capacity, suitable for heavy load and impact load. Inner diameter is tapered bore bearings can be installed directly. Or the use of tight sets, the demolition cylinder installed on the cylindrical shaft. The cage uses a steel plate holder, a polyamide forming cage and a copper alloy car holder. For self-aligning bearings, the use of an intermediate mounting ring prevents the outer ring from tilting and rotating when the axle bearing is loaded into the shaft bore of the housing. It should be borne in mind that some of the self-aligning ball bearings protrude from the side of the bearing, so the middle ring should be recessed to prevent damage to the ball. A large number of bearings are generally installed by mechanical or hydraulic pressing. For separable bearings, the inner and outer rings can be installed separately, thus simplifying the installation process, especially when the inner and outer rings need interference fit.

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