32821/600K Double Row Cylindrical roller Bearings mill roll bearing bearings

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Product Description:

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



           


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Q:Seek expert help: cylindrical roller bearings, grease injection, the operation of a short period of time, grease is thrown out, what is the reason, how to solve? Two hundred
Grease over dry, thin will affect the effect, but also with the brand of grease is also related, you can try several kinds of grease, to see what kind of effect is bestChangshou City Kazakhstan axis electrical and mechanical materials trade, we are agents of a variety of well-known bearings
Q:What does "cylindrical roller bearing" ENV mean?
Cylindrical roller bearings, the basic model suffix ENV meaning:E: enhanced design with improved bearing load capacityN: the outer ring of the bearing is provided with a stopping grooveV: full installed roller (no cage)
Q:Radial roller bearingWhat do you mean by a roller, a column or something else?
Oh, My God!!! Do you understand the bearings in this way?! What is called "roller" means that the rolling column is cylindrical and similar to cylindrical shape, such as short cylindrical, long cylindrical, tapered roller, spherical roller, etc.." This kind of statement should be listed as the promotion answer!!! Absurd! Laughable! !!The standard answer is: Bearings in accordance with the direction of force, divided into radial bearings and thrust bearings, in simple terms, if the main force to bear the axial thrust bearings, thrust bearings; otherwise, that is, radial bearings. As for radial roller bearings, simply speaking, it is the roller bearings that mainly bear radial forces. It's so simple, there's so much nonsense!!!
Q:What is the function of the flat retaining ring of NUP cylindrical roller bearings with flat retaining rings?
Yes, the function of the flat ring is to bear the axial force and be used for axial positioning.
Q:Does the use of cylindrical roller bearings reduce the limit speed?
Cylindrical roller bearings, applicable speed can be very high, check all kinds of high speed motorized spindle bearing configuration will know.
Q:Does the thrust cylindrical roller bearing need a bearing seat?. Five
Hello, I have sent a message to your mailbox, I hope you can help! Have problems you can contact us directly, Beijing Sheng Yi Huitian Electromechanical Equipment Co. Ltd
Q:What is the limit speed and rated dynamic load of NSK full M40-19g cylindrical roller bearings, HTF?
NSK bearing type suffix solution of NSK bearing type by the basic code, prefix and post code, the basic code bearing series (including type) diameter and contact angle; pre code specific bearing; post code structure shape, bearing size, material, seal, retainer, clearance, heat tolerance processing, lubrication, change and other technical requirements, in addition to the basic code added after bearing code. NSK bearing model prefix F - deep groove ball bearing with flange outer ring (for D less than 10 mm), for example: F605. HR - high load tapered roller bearings, for example: HR30207J. MF - Flanged, outer race, deep groove ball bearings of specified sizes (D less than 10 mm), MF52. MR - deep groove ball bearings of specific size (for D less than 10 mm), for example: MR31. NSK bearing type rear code (1) internal structure A - internal design and standard different bearings. A - angular contact ball bearings with a contact angle of 30 degrees. A5 - angular contact ball bearings with a contact angle of 25 degrees. B - angular contact ball bearings with a contact angle of 40 degrees. C - angular contact ball bearings with a contact angle of 15 degrees. C - tapered roller bearings with a contact angle of 20 degrees.
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:NSK cylindrical roller bearings EW/EM series of differences and characteristics
E international is called "reinforced type" load, also means to increase rolling bodyW international is called a steel cageM international is called brass retainerThis can be a question, just ask, for reference only
Q:What are the components of cylindrical roller bearings?
The utility model has the advantages of convenient installation and disassembly, especially when the inner, outer ring and the shaft and the shell are in interference fit. Such bearings are generally only used to bear radial load, only the inner and outer ring with single block bearings can bear less axial load or larger intermittent axial load.

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