Bearings double row cylindrical roller, model NN3032K

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Product Description:

Bearings double row cylindrical roller, model NN3032K 


Double row cylindrical roller bearings

The rollers of the double row 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.

- 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.


★ 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


Double Row Cylindrical Roller Bearings Catalogue




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Q:Why should the main shaft be coupled with double row cylindrical roller bearings?
Separable, easy to install and disassemble, mainly used in lathe, milling machine, machining center and other high-precision machine tool spindle. Hope to be of help to you.
Q:How to calculate the clearance of bearings, such as 23226 double row cylindrical roller bearings
1, radial clearance: non preload, bearing radial load, the radial clearance of G for any angle along the radial direction, in the absence of external load relative to the outer ring inner ring from a radial eccentric limit position, move to the opposite limit position of the radial distance arithmetic mean.2, axial clearance: non preload, bearing can withstand axial load in two directions, the axial internal clearance of G: without external load, a ring relative to the other ring, from an axial limit position toward the average axial distance limit position opposite the.
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:I would like to ask again, cylindrical roller bearings prefix prefix code, what does that mean? Five
NN double row cylindrical roller bearing inner ring gear side no outer wallRN no outer ring type N cylindrical roller bearing
Q:Attention problems of cylindrical roller bearings
4, when the interference is large, the oil bath heating or inductor heating bearings can be used to install the heating temperature range of 80 degrees -100 DEG C, the maximum can not exceed 120 degrees centigrade. At the same time, the nut or other appropriate method is used to fasten the bearing so as to prevent the contraction of the bearing in the direction of width and to create a gap between the collar and the shaft shoulder. 5, single row tapered roller bearings installed, the final adjustment should be clearance. The clearance value shall be determined according to the working conditions and the magnitude of the interference fit. Test shall be carried out when necessary. Double row tapered roller bearings and pump shaft bearings have been adjusted for clearance at the factory, and no adjustment is necessary during installation. 6, the bearing should be installed after the rotation test, the first for the rotary shaft or bearing box, without exception, then the power for no load, low speed operation, and then gradually increase as the functioning of the rotation speed and load, and to detect noise, vibration and temperature, abnormal, should stop running and check. The running test is normal and can be used before delivery.
Q:Does the thrust cylindrical roller bearing need a bearing seat?. Five
In general, this kind of bearing does not use the bearing seat
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: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:How are the twin row cylindrical roller bearings classified?
The NN0000K type conical bore double row cylindrical roller bearingThis kind of bearing is compact in structure and bears little deformation under load, so it is suitable for the support of spindle of machine tool. The inner bore of the bearing is taper, and the radial clearance of the bearing can be adjusted slightly.This kind of bearing with no outer wall, so you can install the outer ring and the inner ring assembly respectively (with roller and cage), does not limit the axial displacement of the shaft or shell, cylindrical roller bearing with the same radial size is compared, can bear larger radial load.
Q:Full use cylindrical roller bearings, uses and advantages?
Full cylindrical roller bearings are designed to withstand heavy loads. At the same width, this kind of bearing, compared with the traditional belt cage bearing, has a very high carrying capacity, radial cross-section is small, it can save space, but the speed is relatively low.

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