32821/600K Double Row Cylindrical roller Bearings mill roll bearing bearings
- 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:
Desiganations | Basic load rating KN | Principal dimensions | Spead ratings rpm. | Weight | |||||||||||
Cr | Cor | d | D | B | r | Ew.Fw | Grease | Oil | kg | ||||||
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 | 675 | 1340 | 200 | 310 | 82 | 2.1 | 282 | 2400 | 1900 | 22.1 | |||||
NN3044K | 795 | 1610 | 220 | 340 | 90 | 3 | 310 | 2800 | 2200 | 30.1 | |||||
NN3044K/W33 | 795 | 1610 | 220 | 340 | 90 | 3 | 310 | 2200 | 1800 | 30 | |||||
NN3044 | 795 | 1610 | 220 | 340 | 90 | 3 | 310 | 2200 | 1800 | 31 | |||||
NN3048K | 810 | 1690 | 240 | 360 | 92 | 3 | 330 | 2600 | 2000 | 32.7 | |||||
NN3048 | 810 | 1690 | 240 | 360 | 92 | 3 | 330 | 2000 | 1700 | 31.6 | |||||
482752U | 605 | 1500 | 260 | 360 | 80 | 2.1 | 282 | 1600 | 1900 | 28.2 | |||||
NN3056K | 1060 | 2290 | 280 | 420 | 106 | 4 | 384 | 2200 | 1800 | 49.7 | |||||
NN3056 | 1060 | 2290 | 280 | 420 | 106 | 4 | 384 | 1700 | 1400 | 52.3 | |||||
3182160 | 1290 | 2790 | 300 | 460 | 118 | 4 | 418 | 1200 | 1500 | 76.2 | |||||
3282160 | 1290 | 2790 | 300 | 460 | 118 | 4 | 418 | 1200 | 1500 | 77.9 | |||||
31821/600 | 4050 | 9850 | 600 | 870 | 200 | 6 | 805 | 600 | 800 | 384 | |||||
32821/600K | 4050 | 9850 | 600 | 870 | 200 | 6 | 805 | 600 | 800 | 403 | |||||
31821/630 | 4350 | 10600 | 630 | 920 | 212 | 7.5 | 850 | 550 | 750 | 438 | |||||
32821/630K | 4350 | 10600 | 630 | 920 | 212 | 7.5 | 850 | 550 | 750 | 460 | |||||
NN3030K | 330 | 650 | 150 | 225 | 56 | 2.1 | 206 | 4000 | 3400 | 7.7 | |||||
NN3030/YA8 | 330 | 650 | 150 | 225 | 56 | 2.1 | 206 | 4000 | 3400 | 7.7 | |||||
NN3030 | 330 | 650 | 150 | 225 | 56 | 2.1 | 206 | 3200 | 2400 | 7.75 | |||||
NN3030/C9 | 330 | 650 | 150 | 225 | 56 | 2.1 | 206 | 3200 | 2400 | 7.75 | |||||
NN3030/C9YA8 | 330 | 650 | 150 | 225 | 56 | 2.1 | 206 | 3200 | 2400 | 7.79 | |||||
NN3030K/C91W33 | 330 | 650 | 150 | 225 | 56 | 2.1 | 206 | 3200 | 2400 | 7.7 |
- Q:How should I find the concentricity of cylindrical roller bearings after installation?
- Any form of assembly, adjustment center is a very troublesome thing, but also in the measuring installation is not very complete, the usual method is to in the base below (or below) thin copper with different thickness, until you feel better, but each installation to re adjust.
- Q:How much is the axial force of double row cylindrical roller bearings? How is it calculated?
- The cylindrical roller bearings have ribs can withstand certain axial force, the axial force for cylindrical but still belongs to the non normal stress, can cause early failure of the bearing, it is generally not given the axial bearing capacity, no formula
- Q:The thrust cylindrical roller bearings do not need the bearing seat, and the thrust bearings, shaft rings and seat rings on our unit are all in the bearing seat, often broken. The rotation of the 1. shaft in the bearing seat will not be affected, moreover, the shaft will have radial runout. 2. do not use the bearing seat, usually how to refuel?.Are there any field installation drawings or data on thrust bearings?. Thanks a million!
- 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:Which column roller bearing brand is good?
- you can look at yourself, they recently in the Qingdao market to great influence, you can understand.
- Q:What are the components of cylindrical roller bearings?
- Compared with the deep groove ball bearings of the same size, this kind of bearing has larger radial load capacity, and is also suitable for high-speed rotation from the structure.
- Q:What kind of material is used for cylindrical roller bearings?
- What's the material? The question is not good enough to answer? Usually bearing steel. And stainless steel, plastic. Carbon steel, iron, ceramics, etc.
- Q:How much is the shaft shoulder height of the 81105 cylindrical roller bearings with inner diameter 25mm?
- The purpose of the shoulder shaft is to limit the axial sliding, of course, as the thrust bearing, the main bearing capacity is the axial force, so the shaft shoulder size can be appropriately larger.
- Q:Cylindrical roller bearings, in the grease after the operation for a short period of time, the grease was thrown out (thrown to the end cap), resulting in roller and raceway between the lack of grease, lubrication poor. Decomposition found that the roller has round circumferential friction marks, but also on the roll, but compared to the roller is very slight. And there are relatively sound bearings, abnormal sound.Is this phenomenon normal? What if it doesn't work? What was the reason? What's the solution? StopThanks for your help!Assuming the grease is no problem, viscosity, consistency, selection is no problem If exclusion is the problem of grease, what other reasons can this be the case? ?
- The higher the speed, the greater the centrifugal force, this point should be mastered. If the grease of good quality, from the bearing chamber to consider the change of the bearing chamber space, the sides of the bearing sealed by using injection nozzle gun grease can improve the lubrication condition.
- Q:what does that mean? Please enlighten master, thank you.
- Cylindrical roller bearingN216E stands for the bearing retainer as a steel cageN216EM stands for the bearing holder as brass holderThe material of the cage is different (the structure that holds the roller in it for a long time)
- Q:What is the limit speed and rated dynamic load of NSK full M40-19g cylindrical roller bearings, HTF?
- D - tapered roller bearings with a contact angle of 28 degrees. C, CA (with solid brass cage), CD (with stamping cage), spherical roller bearing with high load. E -- high load cylindrical roller bearing. H - thrust roller bearing high load. J - tapered roller bearings of the outer raceway, the small end diameter, angle, outer ring width is consistent with the provisions of ISO. (2) material G - ring, rolling body is carburizing steel. H - ring, roll for stainless steel. (3) holder M - copper alloy solid cage. T - synthetic resin cage. W - press holder. V - no cage. (4) sealing ring, dust cover Z, ZS - one side with steel plate dust cover. ZZ, ZZS -- dust cover for two side steel plate. D, DU - one side contact rubber ring. DD, DDU -- two faced contact rubber ring. V - one with a non-contact rubber ring. VV -- two side non-contact rubber sealing ring. (5) ring shape K - taper hole, taper 1:12. K30 -- taper hole, taper 1:30. E - there is a notch or oil hole in the ring. E4 - oil tank with oil holes on the outer ring. N -- outside outer diameter band stop groove. NR -- outer ring, outer band, stop groove, stop ring.
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32821/600K Double Row Cylindrical roller Bearings mill roll bearing bearings
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 pc
- Supply Capability:
- 5000000 pc/month
OKorder Service Pledge
OKorder Financial Service
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