How to reduce the influence of temperature and vibration on Koyo imported bearings

Koyo imported bearings are highly trusted for their exceptional quality and reliable performance. As a leading manufacturer of bearings, Koyo uses advanced design and manufacturing techniques to deliver high-quality products that meet the specific needs of each application. Their imported bearings are made from premium-grade materials such as high-grade steel and high-quality alloys, which are precisely heat treated and finished to exacting standards. These bearings undergo rigorous quality control measures to ensure consistent and reliable performance, even in demanding conditions. Koyo imported bearings are widely used in industrial machinery, automotive, and aerospace applications due to their excellent performance and long service life. With a commitment to providing the highest quality products and excellent customer service, Koyo is a trusted and respected name in the bearing industry.

Impact of vibration on imported Koyo bearings.

In normal use, vibration is very sensitive to bearing damage. Peeling, indentation, corrosion, crack, wear and so on will be reflected in bearing vibration measurement. Therefore, the magnitude of vibration can be measured by using a special bearing vibration meter (frequency analyzer, etc.), and the specific situation of abnormality can not be inferred through frequency division. The measured values are different due to the service conditions of the bearing or the installation position of the sensor. Therefore, it is necessary to analyze and compare the measured values of each machine in advance to determine the judgment standard.How to reduce the influence of temperature and vibration on Koyo imported bearings
Effect of temperature on bearing.How to reduce the influence of temperature and vibration on Koyo imported bearings.

High temperature often indicates that the imported bearing of Koyo is in abnormal condition.

High temperature is also harmful to the lubricant of the bearing. Sometimes bearing overheating can be attributed to the lubricant of the bearing. If the temperature of the bearing exceeds 125 ℃ for a long time, the service life of the bearing will be reduced. The causes of high temperature bearings include insufficient or excessive lubrication and lubricant. It contains impurities, excessive load, bearing ring damage, insufficient clearance, high friction caused by oil seal, etcHow to reduce the influence of temperature and vibration on Koyo imported bearings.
In the process of using Koyo imported bearings, it is easy to see the phenomenon of temperature rise. When the bearing temperature rises, first judge whether there is misoperation. If it does rise, do the following:How to reduce the influence of temperature and vibration on Koyo imported bearings
Check whether the cooling water pressure, water flow and pipeline system are normal. If the water pressure is low, the filter may be blocked and cannot be handled in time, it can be shut down for treatment. When it is confirmed that it can work, it can be put into use.How to reduce the influence of temperature and vibration on Koyo imported bearings
Check the oil pressure of the governor. If the oil pressure is low, the cooling water hydraulic valve may be closed.
Check whether the imported bearing of Koyo has abnormal sound and whether the bearing swing is abnormal.vHow to reduce the influence of temperature and vibration on Koyo imported bearings
Take an oil sample to observe whether the oil color has changed, and test to see whether it has deteriorated. If the deterioration is confirmed, stop the machine and replace it with new oil.How to reduce the influence of temperature and vibration on Koyo imported bearings
Check whether the oil level of the oil gauge is normal. If not, check whether the oil drain valve of the oil tank is tightly closed. If it has been closed tightly, oil shall be added. If it is oil leakage from the sealant pad, it shall be shut down for treatment.How to reduce the influence of temperature and vibration on Koyo imported bearings
Vibration is quite sensitive to the damage of Koyo imported bearings. Peeling, indentation, corrosion, crack and wear will be reflected in the bearing vibration measurement. Therefore, the magnitude of vibration can be measured by using a special bearing vibration meter (frequency analyzer, etc.), and the specific situation of abnormality can not be inferred through frequency division. How to reduce the influence of temperature and vibration on Koyo imported bearings
The measured values are different due to the service conditions of the bearing or the installation position of the sensor. Therefore, it is necessary to analyze and compare the measured values of each machine in advance to determine the judgment standard.How to reduce the influence of temperature and vibration on Koyo imported bearings

Let’s take a look at the impact of temperature on the bearing.

High temperature often indicates that the imported bearing of Koyo is in an abnormal situation. High temperature is also harmful to the lubricant of the bearing. Sometimes bearing overheating can be attributed to the lubricant of the bearing. If the temperature exceeds 125 ℃ for a long time, the service life of the bearing can be reduced. The causes of high temperature bearings include insufficient or excessive lubrication and lubricant. It contains impurities, excessive load, bearing ring damage, insufficient clearance, high friction caused by oil seal, etc.How to reduce the influence of temperature and vibration on Koyo imported bearings
Therefore, it is necessary to continuously monitor the temperature of Koyo imported bearing, whether it is measuring the bearing itself or other important parts. If the operating conditions remain unchanged, any temperature change can indicate that a fault has occurred.How to reduce the influence of temperature and vibration on Koyo imported bearings
The periodic measurement of the bearing temperature imported by Koyo can be carried out with the help of a thermometer, such as a digital thermometer, which can accurately measure the bearing temperature and display it in units of ℃ or Fahrenheit. Important bearing means that when it is damaged, it will cause equipment shutdown. Therefore, this kind of bearing should be equipped with temperature detector.How to reduce the influence of temperature and vibration on Koyo imported bearings
Size limitations. Generally, the space where NTN bearings can be installed is limited.
In most cases, the shaft diameter (or bearing inner diameter) is limited by mechanical design or other design. Therefore, the selection of bearing type and size is determined according to the inner diameter of the bearing. Therefore, the main dimension tables of standard bearings are compiled according to the inner diameter dimensions of international standards.How to reduce the influence of temperature and vibration on Koyo imported bearings
There are many sizes and forms of scale NTN bearings. The load of scale bearings is used in the design of mechanical devices. The nature, size and direction of the load applied to the bearings are changeable. In general, the rated base load is shown on the dimension table. How to reduce the influence of temperature and vibration on Koyo imported bearings
However, axial load and radial load are also important factors in selecting suitable bearings. When the size of the ball and needle roller bearing is commensurate, the needle roller bearing usually has high load capacity and bears large vibration and impact load.How to reduce the influence of temperature and vibration on Koyo imported bearings
The speed and allowable speed are determined according to the type, size, accuracy, cage type, load, lubrication mode, cooling mode and other factors of NTN bearing. The bearing table lists the allowable speed of the scale precision bearing under oil lubrication and grease lubrication. In general, deep groove ball bearings, self-aligning ball bearings and cylindrical roller bearings are all suitable for high-speed operation.How to reduce the influence of temperature and vibration on Koyo imported bearings
NTN bearing tolerance, bearing dimensional accuracy and rotation accuracy are based on ISO and JIS standards. For machines requiring high precision and high-speed operation, it is recommended to use bearings with precision of grade 5 or above. Deep groove ball bearings, centripetal thrust ball bearings or cylindrical roller bearings are suitable for machines with high operation precision. Rigidity, when the contact surface between the moving elastic body and the raceway of the bearing is pressed, elastic deformation will occur. Some machines need to minimize elastic deformation. Roller bearings produce less elastic deformation than ball bearings
In some cases, NTN bearings are preloaded to increase rigidity. This procedure is usually used for deep groove ball bearings, centripetal thrust ball bearings and tapered roller bearings. Inner and outer ring offset, shaft bending, shaft or bearing housing tolerance change and matching error will lead to inner and outer ring eccentricity. How to reduce the influence of temperature and vibration on Koyo imported bearings

In order to prevent excessive eccentric angle, self-aligning ball bearing, self-aligning roller bearing or self-aligning bearing seat are better choices.

Voice frequency and torque, dynamic bearings are manufactured according to high-precision standards, so voice and torque are small. Deep groove ball bearings and cylindrical roller bearings are used for occasions with special requirements for low voice and low torque.How to reduce the influence of temperature and vibration on Koyo imported bearings
Installation and disassembly. Some applications require frequent disassembly and installation to ensure that inspection and maintenance can be carried out according to their location. Bearings with separate inner and outer rings, such as cylindrical bearing, needle roller bearing and conical bearing, are very suitable for this occasion. With the help of the shaft sleeve, the installation procedure of the taper hole type self-aligning ball bearing and self-aligning roller bearing is also simplified.How to reduce the influence of temperature and vibration on Koyo imported bearings

Koyo imported bearings

Manufacturing error of fag imported bearing parts: including surface roughness, cross grain and roundness difference of fag imported bearing raceway and rolling element. A large number of experimental studies show that the influence of Waviness on bearing vibration is dominant, while the influence of surface roughness and roundness is relatively small.Effect of cleanliness on service performance of NTN imported bearings
Working conditions of fag imported bearing: during the operation of the bearing, the load, speed and lubrication conditions have a great impact on the vibration of fag imported bearing.Effect of cleanliness on service performance of NTN imported bearings
Fag imported bearing installation parameters:
the fit between bearing and shaft and bearing seat, deviation during installation and other factors also have an impact on the vibration of fag imported bearing. To use INA Bearing Grease correctly, you must know the movement of grease in the bearing. Ensure the stability of grease. The movement of the grease filled in the rolling bearing can be roughly divided into two stages with the rotation of INA Bearing.Effect of cleanliness on service performance of NTN imported bearings
In general, the filling amount of lubricating grease in INA Bearing always exceeds the actual demand for direct lubrication. It is on the holder and in the cavity of the bearing cover, and forms a contour on the periphery of the rolling element. During this process, the bearing temperature rises rapidly due to the resistance of excess grease. Although most of the excess grease is squeezed out at the initial stage of operation, and the grease squeezed in the accessories of the raceway may still be brought into the raceway by the rotating rolling element.Effect of cleanliness on service performance of NTN imported bearings
In the initial stage of the bearing, most of the grease is quickly squeezed out of the raceway (less than one minute), and the accumulated grease is discharged in a small amount while circulating with the rotating body of the bearing. At this time, the Wendu of INA Bearing continues to rise until all the excess bearing grease is discharged, which can be called the running in stage of grease. According to the quality and filling amount of grease in the bearing structure, this period may last for more than ten minutes or even several hours.Effect of cleanliness on service performance of NTN imported bearings
Different INA Bearing Greases form different contours in the bearing. It is necessary to form the contour, which is quite draft, the running in time is short, and the ina bearing temperature is low and stable in long-term operation. This is an ideal grease, so it is particularly important for the channelization of the grease.Effect of cleanliness on service performance of NTN imported bearings
For the installation of separate INA Bearing
the inner ring and outer ring can be conveniently installed on the shaft or bearing seat respectively At this time, it should be noted that when inserting the shaft with the inner ring into the bearing housing with the outer ring, try to keep it concentric to prevent scratching the rolling element and raceway. When installing a non separating bearing with a tight fit between the inner ring of INA Bearing and the shaft and a loose fit in the bearing seat hole of the outer ring,Effect of cleanliness on service performance of NTN imported bearings
When installing the non separable bearing with tight fit between the inner ring and the shaft and loose fit in the bearing seat hole of the outer ring, the ina bearing can be installed on the shaft with a press, and then the shaft together with the ina bearing can be installed into the bearing seat hole. Effect of cleanliness on service performance of NTN imported bearings
If the INA Bearing is small, the end face of the ferrule can also be gently hit with a soft metal hammer to force the INA Bearing to, but the knocking force must be evenly distributed on the ina bearing ferrule. When the ina bearing ring is tightly matched with the shaft or ina bearing seat hole, a special installation barrel shall be used to press the INA Bearing onto the shaft or ina bearing seat at the same time

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Effect of cleanliness on service performance of NTN imported bearings

Performance of Koyo bearing material after heat treatment

How to reduce the influence of temperature and vibration on Koyo imported bearings

High temperature often indicates that the imported bearing of Koyo is in abnormal condition.

Let’s take a look at the impact of temperature on the bearing.

Size limitations. Generally, the space where NTN bearings can be installed is limited.

In order to prevent excessive eccentric angle, self-aligning ball bearing, self-aligning roller bearing or self-aligning bearing seat are better choices.

Koyo imported bearings

Fag imported bearing installation parameters:

For the installation of separate INA Bearing

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