Bearings four row cylindrical roller, model FCD2230120

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500 pc
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10000 pc/month

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Product Description:

Bearings four row cylindrical roller, model FCD2230120


Four row cylindrical roller bearings

Four row cylindrical roller bearing is usually use in rolling mill’s work roll or back-up roll. It mainly take much radial load, which is extensively used on the work roll of wire rod mill, section mill and bloomer mill , as well as the back-up roll of dressing machine, cold rolling mill and hot rolling mill.There are three kinds of structures: FC, FCD, FCDP. There are three grades for tolerance : 0 , 6 , 5.


FC: double outer ring, single inner ring, inner ring without rid;

FCD: double outer ring, double inner ring, inner ring without rid;

FCDP:double outer ring, double inner ring, inner ring without rid



★ Product Features:

The rollers of the cylindrical roller bearing are usually guided by two flanges of a ring.

Because this assembly part composed of cage, roller and guide ring can be separated from

another ring, the cylindrical roller bearing belongs to separable bearing. This type of bearing

can be easily mounted and dismounted. Its advantages are obvious especially when there is

interference fits between the inner, outer ring and the axis, housing.

This bearing is usually subjected to radial load, only the single-row bearing with inner& outer

rings flanges can bear small steady axial load or great intermittent axial load. It has a high

requirement on the processing of the fitting parts such as axis and housing bore, etc.


Product Application: 

Cylindrical roller bearings are mainly used for:

- Iron and steel metallurgical industry

- medium and large motor

- generator

- combustion engines

- gas tuibine

- machine tool spindle

- speed reducer

- loading and unloading machinery and all kinds of industrial machinery


Four Cylindrical Roller Bearings Catalugue







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Q:Cylindrical roller and bearing outer ring processing is sheet metal forming?
Sheet metal forming? You think too simple. Do you know that a key technical parameter of a machine part is called tolerance? The inner and outer rings and roller rolling bearings (ball, roller) have strict tolerance requirements, but also requires a very high hardness and abrasion resistance, the general is the use of special alloy steel, rolling (usually hot) heat treatment after forming, after precision machining (turning, grinding etc.) after finished product.
Q:NSK cylindrical roller bearings EW/EM series of differences and characteristics
M international is called brass retainerThis can be a question, just ask, for reference only
Q:Radial roller bearingWhat do you mean by a roller, a column or something else?
The rollers refer to the rolling bodies as cylinders and similar cylindrical shapes, such as short columns, long columns, tapered rollers, spherical rollers, etc..
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.
Q:What kind of material is used for cylindrical roller bearings?
Ah, you ask what material to do, of course, with the bearing steel do ah. Bearing steel, however, is well distributed. Generally use GL15#
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:Does the use of cylindrical roller bearings reduce the limit speed?
Generally speaking, the reduction of the limit speed is positive. As for radial loads, the two bearings are not multiplied by 2. on the carrying capacity of a single bearing, and the coefficient is different for each company.
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:Why are there no double row cylindrical roller bearings in the mechanical design manual?
but they move axially with the roller and the outer ring?If so, the cylindrical roller bearings without bearings on both sides of the bearing should be normal
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.

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