The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

Selection of quenching oil for INA Bearing burns

Sometimes the direction and size of the load cannot be determined accurately. For example, in high-speed rotating machinery, in addition to the load borne by the rotor weight which is fixed in the direction, there is also the rotating load caused by the unbalanced mass. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

If this rotating load is much larger than the fixed load, the combined load is still the rotating load; If the rotating load is much smaller than the fixed load, the composite load is the swing load. No matter rotating load or swinging load, its size and direction are constantly changing. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
In the variable working state, the load on some ferrules may be rotating load, fixed load or swinging load. This kind of load is called indeterminate load.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Swing load and indefinite load should be treated equally with rotating load in terms of fit. Too loose fit will cause damage to the mating surface.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Transition fit or interference fit shall be selected for the ferrule rotating relative to the load direction and the shaft or seat hole. The interference size is based on the principle that when the SKF Bearing works under load, the SKF Bearing ring will not produce “creep” on the shaft or the mating surface in the seat hole. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
When the load is very light or the ferrule rotates occasionally at low speed under the action of heavy load, the transition fit can be selected. At this time, the shaft surface should have high hardness and small surface roughness.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
For heavy load occasions, it is usually tighter than that in light load and normal load occasions. The heavier the load, the greater the fit interference. Koyo bearing is a large-scale Koyo bearing enterprise that started early in Japan’s bearing industry, so its products tend to receive more attention. For ordinary Koyo bearing users, the noise of Koyo bearing is inevitable. Why does Koyo bearing produce noise?The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
First of all, we should know that the sound of Koyo bearing occurs because its rolling element rolls on the raceway surface, which is the basic feature of all Koyo bearings. The spherical Koyo bearing is different. The rolling sound potential of spherical Koyo bearing is irregular. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Its dominant frequency does not change with the speed, but its total sound pressure level increases with the speed. For Koyo bearings with loud raceway sound, the sound pressure level of raceway sound decreases with the increase of viscosity; The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
The sound pressure level of Koyo bearing with low raceway noise changes from decrease to increase when the viscosity increases to more than 20mm2 / s. The greater the rigidity of Koyo bearing pedestal, the lower the total sound pressure level of raceway sound.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
If the radial clearance is too small, the total sound pressure level and dominant frequency of raceway sound will increase sharply with the decrease of radial clearance. The methods to control the sound of raceway are as follows: The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
select low-noise Koyo bearing, that is, Koyo bearing with small waviness, and carefully select the service conditions. Raceway noise often affects the noise of the whole machinery.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

Reducing raceway noise is due to the poor lubrication of INA Bearing

Secondly, the impact sound of the rolling element and its control method. When the larger model ball Koyo bearing or cylindrical roller Koyo bearing runs at low speed under pure radial load, the rolling element in the non load area will impact the cage or raceway and make noise due to the small centrifugal force of the rolling element. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
But as the speed increases, the sound will disappear. The control methods for the impact sound of rolling elements are: appropriately reduce the radial clearance, and use the Koyo bearing with cage with reasonable structure and flexible material.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Later, the rolling sound of Koyo bearing and its control method rolling sound is the harsh metal friction sound that can occur in cylindrical roller bearings on all occasions. Most of it occurs in grease lubricated larger Koyo bearings, which is more likely to occur in greases with degraded base oil performance, and almost does not occur in oil lubrication. In addition, it is easy to occur in winter. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
When bearing pure radial load, it is easy to occur in the case of large radial clearance, and it is easy to occur in a specific speed range with different models and sizes, both continuously and intermittently.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Special processing methods for the outer race raceway can prevent the occurrence of rolling sound. If necessary, this kind of Koyo bearing can be selected, or the radial clearance of Koyo bearing can be appropriately reduced, the lubricating grease with excellent performance can be used and the rigidity of parts matching with Koyo bearing can be improved.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

These are the reasons why Koyo bearings are prone to noise.

Vibration of IKO bearing parts
The vibration of SKF Bearing is very sensitive to the damage of SKF Bearing, such as peeling, indentation, corrosion, crack, wear, etc. will be reflected in the vibration measurement of SKF Bearing.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Therefore, the vibration can be measured by using a special SKF Bearing Vibration Meter (frequency analyzer, etc.), and the specific abnormal situation can not be inferred by frequency division. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
The measured values are different due to the service conditions of SKF Bearing or the installation position of sensor, so it is necessary to analyze and compare the measured values of each machine in advance to determine the judgment standard.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Temperature of SKF Bearing
The temperature of SKF Bearing can generally be inferred from the temperature outside the SKF Bearing chamber.
It is more appropriate if the outer ring temperature of SKF Bearing can be measured directly by oil hole.
Generally, the temperature of SKF Bearing starts to rise slowly with the operation of SKF Bearing, and reaches a stable state after 1-2 hours.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
The normal temperature of SKF Bearing varies with the heat capacity, heat dissipation, speed and load of the machine. If the lubrication and installation parts are appropriate, the SKF Bearing temperature will rise sharply and abnormal high temperature will occur.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
At this time, the operation must be stopped and necessary preventive measures must be taken.
Using the thermal sensor, the working temperature of SKF Bearing can be monitored at any time, and the automatic alarm or stop when the temperature exceeds the specified value can be realized to prevent the occurrence of combustion shaft accident.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

High temperature often indicates that SKF Bearing has been in abnormal condition.

High temperature is also harmful to the lubricant of SKF Bearing.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Sometimes SKF Bearing Overheating can be attributed to the lubricant of SKF Bearing. If the temperature of SKF Bearing exceeds 125 ℃ for a long time, the service life of SKF Bearing will be reduced. The causes of high temperature SKF bearings include insufficient or excessive lubrication and lubricant. It contains impurities, excessive load, SKF Bearing Ring damage, insufficient clearance, high friction caused by oil seal, etc.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Therefore, it is necessary to continuously monitor the temperature of SKF Bearing, whether it is measuring SKF Bearing itself or other important parts. If the operating conditions remain unchanged, any temperature change can indicate that a fault has occurred.IKO bearing parts
The periodic measurement of SKF Bearing temperature can be aided by thermometer, such as digital thermometer, which can accurately measure the SKF Bearing Temperature and display it in ℃ or Fahrenheit.IKO bearing parts
SKF Bearing of importance means that when it is damaged, it will cause equipment shutdown. Therefore, this kind of SKF Bearing should be equipped with temperature detector.IKO bearing parts
Under normal circumstances, SKF bearings will have a natural temperature rise after just lubrication or re lubrication and last for one or two days.IKO bearing parts

Improper disassembly of shale shaker NTN bearing may cause damage to the inside of NTN bearing.

Contaminants may enter NTN bearings or errors may occur during reinstallation. Therefore, great care must be taken to disassemble the vibrating screen NTN bearing, and the axis must be properly supported, otherwise the disassembly force may damage the NTN bearing.
Remove the outer ring of the interference fit. Set several screws for the outer ring extrusion screw on the circumference of the shell in advance, tighten the screw equally while removing. These screw holes are usually covered with blind plugs, separable NTN bearings such as vibrating screen tapered roller NTN bearings, set several cuts on the shoulder of the shell, use cushion blocks, disassemble with a press, or knock gently.
Disassembly of cylindrical INA Bearing of vibrating screen
The inner ring can be easily removed by pressure machinery. At this time, pay attention to make the inner ring bear its pulling force.
The inner ring of NTN bearing of large vibrating screen is disassembled by oil pressure method. Oil pressure is applied through the oil hole arranged on the shaft to make it easy to pull out. The NTN bearing with large width is disassembled by the combination of oil pressure method and drawing fixture. INA Bearing
Induction heating method can be used to disassemble the inner ring of NTN bearing of Nu and NJ cylindrical roller vibrating screen. It is a method of drawing after heating part in a short time to expand the inner ring.
Disassembly of tapered bore IKO bearing parts
Disassemble the relatively small NTN bearing with fixed sleeve, support the inner ring with the stop fastened on the shaft, turn the nut back several times, and then knock it down with a cushion block and a hammer. The so-called burn damage state of INA Bearing refers to that the raceway wheel, rolling element and cage of INA Bearing are heated sharply during rotation until they change color, soften, deposit and damage. INA Bearing
The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing. Irregular lubricant may be used, or too much or too little lubricant is incorrect. INA Bearing
The second may be excessive load (excessive preloading). Excessive speed. The clearance is too small. Intrusion of water or other foreign matters. If neither of the above two cases is true, the accuracy of the shaft and ina bearing housing is poor and the deflection of the shaft is large. INA Bearing
Then the solution is: first, we should study the lubricant and lubrication method, select the INA Bearing Lubricant and its dosage, and correct the selection of INA Bearing. INA Bearing
The clearance and preload of INA Bearing should be matched and imported, and the sealing device should be improved. Check the accuracy of the shaft and ina bearing housing. When using fag bearings, we should first check the appearance of fag bearings to judge whether they meet the standards we require. Let’s share with you what parts we should check. INA Bearing
The inspection of fag bearing should be carried out under the astigmatism lamp, and the appearance, cracks and other parts of fag bearing should be carefully observed. INA Bearing
Various mechanical scars, such as abrasion, scratch, crush and bruise, will cause poor installation of fag bearing, cause eccentric load and stress concentration, and reduce rotation accuracy and service life.
Rust, black skin and pitting.
The latter two are defects that are easy to store moisture and dirt, which are easy to develop into rust. Corrosion is the pollution source leading to poor installation, early wear and fatigue. Serious corrosion will scrap fag bearings. INA Bearing
Various cracks, such as raw material cracks, forging cracks, heat treatment cracks and grinding cracks, will become the source of stress concentration and expand rapidly in the future operation of fag bearing, resulting in the fracture of fag bearing, which has a great impact on the service life and workability of fag bearing. In fact, for fag bearings with important applications, FAG bearing factory has conducted 100% magnetic or radiographic inspection on its components. INA Bearing
Peeling and folding, the local combination of these two defects with the base metal is not firm, and decarburization or carbon deficiency often exist around them to varying degrees. The material is easy to collapse, dent or wear, which is very unfavorable to the service life and accuracy of fag bearing. INA Bearing INA Bearing
For the riveting or welding quality of the cage, mainly observe whether the rivet head is offset, skewed, loose, lack of meat or “double eyelid”, whether the welding position is correct, whether the welding spot is too large or too small, and whether the rolling element is stuck due to loose welding or excessive welding. INA Bearing
The above items are the key inspection parts in the inspection of fag bearings. In addition to the above inspection parts, in addition, if the typing quality is poor, such as illegible and damaged, they shall be considered defective, and the serious ones can also be rejected. INA Bearing

In order to maintain the original performance of INA Bearing

In good condition for as long as possible, it is necessary to maintain and repair in order to prevent accidents, ensure the reliability of operation and improve productivity and economy.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

Maintain the operation standard of corresponding mechanical operation conditions and carry out it regularly. The contents include monitoring the operation status, replenishing or changing the lubricant, and regular disassembly inspection. As maintenance items in operation, there are rotating sound, vibration, temperature, lubricant state of INA Bearing, etc.
Cleaning of INA Bearing: when disassembling INA Bearing for maintenance, first record the appearance of INA Bearing, confirm the residual amount of lubricant, and clean ina bearing after sampling the lubricant for inspection. As a cleaning agent, gasoline and kerosene are commonly used. The cleaning of the removed ina bearing is divided into coarse cleaning and fine cleaning, which are placed in the container respectively.
First, put the metal mesh bottom so that the INA Bearing does not directly contact the dirt of the container. During rough cleaning, if ina bearing rotates with dirt, it will damage the rolling surface of INA Bearing, which should be paid attention to. In the coarse cleaning oil, use a brush to remove the grease and adhesion. After it is roughly clean, turn to fine cleaning. Fine cleaning is to carefully clean ina bearing while rotating in cleaning oil. In addition, the cleaning oil should always be kept clean
Maintenance and judgment of INA Bearing: in order to judge whether the disassembled ina bearing can be used, it should be checked after the ina bearing is cleaned. Check the state of raceway surface, rolling surface and mating surface, wear of cage, increase of INA Bearing Clearance and damage irrelevant to the decline of dimensional accuracy. For non separable small ball bearings, support the inner ring horizontally with one hand and rotate the outer ring to confirm whether it is smooth. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Tapered roller bearings and other separable bearings can inspect the raceway surfaces of rolling elements and outer rings respectively. Since large bearings cannot be rotated by hand, pay attention to the appearance of rolling elements, raceway surfaces, cages, edge retaining surfaces, etc. the higher the importance of ina bearings, the more careful the inspection is.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
The market requirements for various mechanical devices and instruments using rolling bearings are becoming more and more strict, and the conditions and performance required for ina bearings are becoming more and more diversified. In order to select the suitable ina bearing from a large number of structures and sizes, it needs to be studied from various angles. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
When selecting ina bearings, generally, the ina bearing structure is roughly determined by considering the difficulty of arrangement, installation and disassembly of ina bearings as shaft system, the allowable space and size of ina bearings, and the marketability of ina bearings. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Secondly, while comparing and studying the design life of various machines using ina bearings and various durability limits of ina bearings, the size of ina bearings is determined. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
When selecting ina bearings, it is often inclined to only consider the fatigue life of ina bearings. The grease life, wear and noise caused by grease aging also need to be fully studied. Moreover, according to different applications, it is necessary to select ina bearings specially designed for accuracy, clearance, cage structure, grease and other requirements. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
However, there is no certain sequence and rules for selecting ina bearings. Priority should be given to the conditions, performance and related matters required by ina bearings, which is particularly practical. As one of the widely used NSK Bearings in daily life, electric NSK bearing will inevitably encounter various problems in its use. Today, we will discuss the cleaning process of electric NSK bearing
Give a brief introduction.
According to the service time, the motor should be cleaned and refueled after 2000 hours. There are two cleaning methods for NSK Bearings:The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Hot oil cleaning method for NSK Bearings hardened with soft dry oil or antirust paste due to long use, they should be immersed in 100-200 ℃ hot engine oil, clamp NSK Bearings with pliers, and clean the oil on NSK Bearings with a brush.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
The soft dry oil or antirust paste will melt when heated to 100-200 ℃, which is easy to wash out from the gap of NSK bearing. Sometimes, just shake the NSK bearing in the oil for many times. Oil will also flow away from the gap.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
When cleaning the centripetal spherical NSK bearing of old motor or imported motor, the ball, bead frame and inner ring should be turned laterally from the outer ring and then immersed in hot oil. When cleaning the short cylindrical roller NSK bearing, the roller, bead frame, inner ring and outer ring should also be separated.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
During hot oil cleaning, the oil temperature shall not exceed 20 ℃. When heating directly with open fire, attention should be paid to prevent the oil from burning. NSK bearing should be hung in the oil pan and sink to the bottom, which will cause overheating and reduce the hardness.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
General cleaning method: soak NSK bearing in kerosene for 5-10 minutes, hold the inner ring with one hand and rotate the outer ring with the other hand, and the dry oil or anti rust paste on NSK bearing will fall off. Then put the NSK bearing into clean kerosene, brush it with a soft brush, clean the oil stain in the ball and gap, then put it into gasoline for cleaning once, take it out and put it on clean paper. The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
When cleaning centripetal spherical ball NSK bearing and short cylindrical roller NSK bearing, the ball, bead holder, inner ring and outer ring shall be separated for cleaning.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
The NSK bearing installed on the shaft is cleaned mainly by spraying oil or spraying with an oil gun. The oil stains that are easy to be cleaned are first cleaned with kerosene and then gasoline; For oil stains that are difficult to be cleaned, first wash them with 100-200 ℃ hot engine oil or spray them with an oil gun, and then clean them with gasoline.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing
Be careful not to scrape NSK bearing with sharp tools: hard oil dirt or rust, so as not to damage the smoothness of NSK bearing rolling body and groove ring. Clean NSK bearing and dry it with clean cloth.The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

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Selection of quenching oil for IKO bearing parts

Causes of nine common faults of INA Bearing

The main cause of INA Bearing burns is due to the poor lubrication of INA Bearing

Selection of quenching oil for INA Bearing burns

Reducing raceway noise is due to the poor lubrication of INA Bearing

These are the reasons why Koyo bearings are prone to noise.

High temperature often indicates that SKF Bearing has been in abnormal condition.

Improper disassembly of shale shaker NTN bearing may cause damage to the inside of NTN bearing.

In order to maintain the original performance of INA Bearing

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