NU218 Cylindrical roller Bearings mill roll bearing

NU218 Cylindrical roller Bearings mill roll bearing System 1

NU218 Cylindrical roller Bearings mill roll bearing System 2

NU218 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: 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: How much is the shaft shoulder height of the 81105 cylindrical roller bearings with inner diameter 25mm?: The shoulder height (diameter) shall be smaller than the big diameter of the bearing (less than 42), mainly for easy unloading.

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: 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: Can cylindrical roller bearings bear high temperature?: A class of grease, temperature is not more than 120 degrees, and then high temperature will lose lubrication performance, leading to the bearings can not work, in fact, bearing itself can withstand high temperature.

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: What's the difference between imported bearings and imported bearings?: Domestic bearings used in the cage and rivet and washer, spacer ring, sealing ring, pillar, pin etc. the material is divided into black metal materials (such as low carbon steel, stainless steel etc.), non-ferrous metal materials (such as brass, bronze and Aluminum Alloy etc.) and non metal materials (such as plastics, phenolic textolite three) etc..Imported bearings are basically the same as those made in China. There are copper, steel, alloy and so on.

Q: What is called a semi convex roller, a fully convex roller, a logarithmic curve roller?: The convex roller refers to the basic cylindrical or conical roller with a continuous micro convex radian in the plane containing the roller axis, and the logarithmic curve roller is also a convex roller, which belongs to a full convex roller;Convexity roller refers to the plane containing the axis of roller in the outer surface of a continuous convex curved basic cylindrical or conical roller, roller is logarithmic curve convexity roller, roller is all convex; convexity roller refers to the plane containing the axis of roller in the outer surface of a continuous convex curved basic cylinder or conical roller,The logarithmic curve roller is also a convex roller, which belongs to a full convex roller; a modified roller refers to a roller that has a slightly modified diameter at the end of the outer surface to prevent the contact between the roller and the raceway.

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? ?: 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: Can it be used for axial alignment? Forty-fiveWhat is the function of the flat retaining ring of NUP cylindrical roller bearings with flat retaining rings? Can it be used for axial alignment?How much axial force can I bear then?You are the ZWZ? Can you make a friend?!How much axial force can you bear? Do you have a formula or a recommended value?NUP is needle roller bearings, brothers, I dialed the wrong number:What is the function of the flat retaining ring of the needle roller bearing with flat ring NUP? Can it be used for axial alignment?There seems to be no experts here, all mixed up: Yes, the function of the flat ring is to bear the axial force and be used for axial positioning.

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