NU212 Cylindrical roller Bearings mill roll bearing

NU212 Cylindrical roller Bearings mill roll bearing System 1

NU212 Cylindrical roller Bearings mill roll bearing System 2

NU212 Cylindrical roller Bearings mill roll bearing

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Loading Port:: Shanghai

Payment Terms:: 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.	d	D	B(mm)	Weight(kg)	Bearing No.	d	D	B(mm)	Weight(kg)

NU202	15	35	11	0.047
NU203	17	40	12	0.068
NU204	20	47	14	0.110	NU304	20	52	15	0.150
NU205	25	52	15	0.130	NU305	25	62	17	0.240
NU206	30	62	16	0.200	NU306	30	72	19	0.360
NU207	35	72	17	0.300	NU307	35	80	21	0.480
NU208	40	80	18	0.370	NU308	40	90	23	0.650
NU209	45	85	19	0.430	NU309	45	100	25	0.900
NU210	50	90	20	0.480	NU310	50	110	27	1.150
NU211	55	100	21	0.660	NU311	55	120	29	1.450
NU212	60	110	22	0.810	NU312	60	130	31	1.800
NU213	65	120	23	1.050	NU313	65	140	33	2.250
NU214	70	125	24	1.150	NU314	70	150	35	2.750
NU215	75	130	25	1.250	NU315	75	160	37	3.300
NU216	80	140	26	1.500	NU316	80	170	39	3.950
NU217	85	150	28	1.900	NU317	85	180	41	4.700
NU218	90	160	30	2.350	NU318	90	190	43	5.450
NU219	95	170	32	2.850	NU319	95	200	45	6.250
NU220	100	180	34	3.450
NU221	105	190	36	4.000
NU222	110	200	38	4.800

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 kind of material is used for cylindrical roller bearings?: Products can be widely used in automobiles, motors, construction machinery, mining machinery, machine tools, metallurgy, textile, food, chemical and other enterprises. Our factory has Wuxi city Qikai bearing roller Co. Ltd.

Q:Full use cylindrical roller bearings, uses and advantages?: Otherwise, due to lack of lubrication and high-speed operation will cause more wear and tear. I am a bearing

Q:What's the difference between imported bearings and imported bearings?: The 2 kind of bearing retainer material is mostly copper, and the retainer pin is also copperThere is also a steel retainerImported bearings also have copper and steel

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.: 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:The Russian bearing suffix No. ZST is a cylindrical roller bearing: Well, you have to write out the whole model. The suffix code is not used to distinguish the bearings, but it helps to explain the structure of the bearings and the material.

Q:Is the roller bearing and the bearing chamber movable in the tapered rotor motor?: E in cylindrical roller bearing is the meaning of improving internal cage design, similar to the SKF cylindrical roller bearing EC form, this type of bearing than without E, is to strengthen the design, the roller is filled more larger to increase the load. From the load point of view, it is better to choose E.

Q:Can you make it clear? I don't understand. Thank you for being here first.: 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: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

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