• 3182160 K Double Row Cylindrical roller Bearings mill roll bearing System 1
  • 3182160 K Double Row Cylindrical roller Bearings mill roll bearing System 2
  • 3182160 K Double Row Cylindrical roller Bearings mill roll bearing System 3
  • 3182160 K Double Row Cylindrical roller Bearings mill roll bearing System 4
  • 3182160 K Double Row Cylindrical roller Bearings mill roll bearing System 5
3182160 K Double Row Cylindrical roller Bearings mill roll bearing

3182160 K Double Row Cylindrical roller Bearings mill roll bearing

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

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Specification of Double Row Cylindrical roller bearings:


Double row 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



Double row cylindrical roller bearings


- NN double row cylindrical roller bearings

This kind of bearings with inner rid, no outer rid. This assembly part  can be separated from another ring, and they have larger radial load capacity than other single row cylindrical roller bearings with the same size, but the axial or housing is free axial displacement, so this kind of bearings can only bear the axial load.


- NNU, NNU…K double row cylindrical bearings

NNU,NNU...K type bearings with outer rid, no inner rid. There are tow kinds of holes, one is cylindrical hole, and another is tapered hole. Axial or housing is free axial displacement, so this kind of bearings can not bear the axial load. But these kind of bearings have larger radial load capacity than other single row roller bearings with the same size.


- 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.


- NNCF double row cylindrical bearings

NNCF type bearings with three inner rids and one outer rid. They can take a direction axial positioning. There is a fixed ring in the other side of the outer rid, it can make bearing keep as one.


Double Row Cylindrical Roller Bearings Catalogue:


DesiganationsBasic load rating KNPrincipal dimensionsSpead   ratings
    rpm.
Weight


CrCordDBrEw.FwGreaseOilkg
 NN3032K   345   675   160   240   60   2.1   219   3800   3200   8.39  
 NN3032KTN1   345   335   160   240   60   2.1   219   3800   3200   7.86  
 NN3032K/W33   345   675   160   240   60   2.1   219   3000   2200   8.38  
 NN3032K/YB2   345   675   160   240   60   2.1   219   3000   2200   8.39  
 NN3032   345   675   160   240   60   2.1   219   3000   2200   8.38  
 NN3034K   435   860   170   260   67   2.1   236   3600   3000   12.9  
 NN3034/YA8   435   860   170   260   67   2.1   236   3000   2200   13.3  
 NN3036K   555   1090   180   280   74   2.1   255   3400   2800   16.9  
 NN3036   555   1090   180   280   74   2.1   255   2800   2000   16.9  
4382936 337   703   180   250   69   2.3   201   2800   2000   9.8  
 NN3038K   565   1140   190   290   75   2.1   265   3200   2600   17.9  
 NN3038K/W33   565   1140   190   290   75   2.1   265   2600   1900   17.1  
 NN3038   565   1140   190   290   75   2.1   265   2600   1900   18  
 NNU4938B-W33   560   1250   190   260   69   3   212   2600   1900   11  
 NNU6038   1260   3200   190   290   180   2.1   219   2600   1900   43.6  
 NN3034K   675   1340   200 310  82   2.1   282   3000   2400   22  
 NN3034  6751340200310822.12822400190022.1
 NN3044K  79516102203409033102800220030.1
 NN3044K/W33  79516102203409033102200180030
 NN3044  79516102203409033102200180031
 NN3048K  81016902403609233302600200032.7
 NN3048  81016902403609233302000170031.6
 482752U  6051500260360802.12821600190028.2
 NN3056K  1060229028042010643842200180049.7
 NN3056  1060229028042010643841700140052.3
31821601290279030046011844181200150076.2
32821601290279030046011844181200150077.9
 31821/600  405098506008702006805600800384
 32821/600K  405098506008702006805600800403
 31821/630  4350106006309202127.5850550750438
 32821/630K  4350106006309202127.5850550750460
 NN3030K  330650150225562.1206400034007.7
 NN3030/YA8  330650150225562.1206400034007.7
 NN3030  330650150225562.1206320024007.75
 NN3030/C9  330650150225562.1206320024007.75
 NN3030/C9YA8  330650150225562.1206320024007.79
 NN3030K/C91W33  330650150225562.1206320024007.7



           


Q: Gb/t283 cylindrical roller bearing age number?
Hello, it's 2007.GB/T 283-2007 roller bearings cylindrical roller bearings overall dimensionsStandard number: GB/T 283-2007Rolling bearings - cylindrical roller bearings - DimensionsRolling bearings - cylindrical roller bearings - DimensionsEnglish, Name:Rolling, bearings - Cylindrical, rolling, bearings - Boundary - Dimensions
Q: Which column roller bearing brand is good?
Foreign SKF is better, the domestic is Kazakhstan axis, and then is Taiwan's Rui Rui, you can look at yourself, they recently in the Qingdao market to great influence, you can understand.
Q: Attention problems of cylindrical roller bearings
4, when the interference is large, the oil bath heating or inductor heating bearings can be used to install the heating temperature range of 80 degrees -100 DEG C, the maximum can not exceed 120 degrees centigrade. At the same time, the nut or other appropriate method is used to fasten the bearing so as to prevent the contraction of the bearing in the direction of width and to create a gap between the collar and the shaft shoulder. 5, single row tapered roller bearings installed, the final adjustment should be clearance. The clearance value shall be determined according to the working conditions and the magnitude of the interference fit. Test shall be carried out when necessary. Double row tapered roller bearings and pump shaft bearings have been adjusted for clearance at the factory, and no adjustment is necessary during installation. 6, the bearing should be installed after the rotation test, the first for the rotary shaft or bearing box, without exception, then the power for no load, low speed operation, and then gradually increase as the functioning of the rotation speed and load, and to detect noise, vibration and temperature, abnormal, should stop running and check. The running test is normal and can be used before delivery.
Q: cylindrical roller bearings N210 20Deep groove ball bearings 6120, self-aligning ball bearings 1210, cylindrical roller bearings N210 in the same radial force conditions, the life expectancy of the three levels and how to compare? What is the cause of the high and low?
The cylindrical roller bearings are in line contact with the outer ring of the bearing, and have the largest contact surface with the outer ring of the bearing. And the large contact surface means that in the same radial force, the same speed, friction, and thus generate more heat, and thus affect the life.
Q: For bearing type, no outer ring single row cylindrical roller bearings, bore 40, thickness 21, roller diameter 8, roller length 12
This is the outer ring and the inner ring can be separated, the bearings in the country can be produced, imported bearings are sold.Another model is up to your standard,Cylindrical roller bearings SL183008Semi position bearing, full cylindrical roller, dimension series 30M 0,31 kgqualityCr 66000, NBasic rated dynamic load, radialC0r 67000, NBasic rated static load radialCur 11200, NFatigue limit load, radialNG 6300, 1/minLimit speedNB 4300, 1/minReference speed
Q: How should I find the concentricity of cylindrical roller bearings after installation?
So, in the machining process, try to use special fixtures and parts drawing in tol and other measures to avoid such a remedy".
Q: Is the nu240em cylindrical roller bearing split?
No, nu240em cylindrical roller bearings are integral.Bearing type: cylindrical roller bearingNew model: NU240EMOld model: 32240EHInternal diameter (mm):200Outside diameter (mm):360Width (mm):58
Q: Rolling bearing face to face or back to back on the use of cylindrical roller bearing pairs, the speed limit will be reduced? Please, thank you!
Well, as long as the shaft is well done and the structure is reasonable, what can't be done? I haven't seen the theory of 30%. Cylindrical roller bearings are easy to process, so they have high precision and high limit speed.
Q: Thrust cylindrical roller bearings, the main use?
Thrust cylindrical roller bearings, the main use? Thrust cylindrical roller bearings are mainly used in oil rigs, iron, steel, machinery and so on. Our factory uses the bearings of Changzhou Enke Bearing Co., Ltd., they have many kinds of bearings and meet various demands.
Q: Why should the main shaft be coupled with double row cylindrical roller bearings?
Because double row cylindrical roller bearings with high carrying capacity, high precision, separation, easy installation and disassembly, mainly used in lathes, milling machines, machining centers and other high-precision machine tool spindle. Hope to be of help to you.

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