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The Matching Function Of Nsk Bearing And Lubricating Oil

The Matching Function Of Nsk Bearing 

The function of bearing fit is to make the stationary ring and rotating ring of NSK bearing consolidate with the stationary part (usually bearing seat) and rotating part (usually shaft) of the

installation part respectively, so as to realize the basic task of transmitting load and defining the position of the moving system Function Of Nsk Bearing relative to the stationary system in the rotating state.

In the shaft and bearing seat, the rolling bearing is required to fix its position in three directions: radial, axial and tangent directions. Radial and tangential positioning is Function Of Nsk Bearing realized by tight fit of bearing ring, and tight fit is adopted for axial positioning only in a few cases;

Usually, axial limit parts, such as end caps and retaining rings, are used to limit the axial position within the clearance range.

The following four points should be paid attention to when selecting the fit of the bearing

The circumferential surface of the bearing ring shall have good support and uniform stress, so as to reduce deformation and give full play to the bearing capacity of the bearing;

The bearing ring cannot slide along the tangent direction in its mating surface, otherwise the mating Function Of Nsk Bearing surface will be damaged;

The free end bearing must be able to adapt to the length change of the shaft and bearing seat hole, that is, it must have the ability to adapt to the swimming of the axial position within a certain range;

NSK bearing must be installed and disassembled easily Function Of Nsk Bearing  to save labor, time and expense.

It is very beneficial to make good use of the matching function of NSK bearing. I hope you can Function Of Nsk Bearing comprehensively consider the above four precautions when selecting.

The Matching Function Of Nsk Bearing And Lubricating Oil
The Matching Function Of Nsk Bearing And Lubricating Oil
The Matching Function Of Nsk Bearing And Lubricating Oil

For grease lubricated bearings and bearings with oil seals or dust covers on both sides,

the sealing ring bearings do not need to be cleaned before Function Of Nsk Bearing installation. Check the size and finish machining of relevant parts.

1. Grease lubrication

The re lubrication of bearings is carried out during the planned equipment shutdown and supplemented regularly. At the same time, the old grease is removed or squeezed out through the oil drain air.

Wipe the grease nipple clean before adding fresh grease. If there is no grease nozzle in the bearing box, open the bearing box cover or end cover to take out the old grease. Function Of Nsk Bearing After cleaning, add fresh grease of the same model.

2. Lubricating oil lubrication

Regularly check the oil level and quality of lubricating oil. Generally, the normal oil level should be within 1 / 3-2 / 3 of the equipment oil level window or mark. The oil replenishment mode is the oil cup, and the displayed oil level only represents the oil replenishment capacity,

while the oil level of the bearing box meets the operation requirements. If the oil level in the oil cup is lower than 1 / 4 of its total volume, oil Function Of Nsk Bearing replenishment can be considered.

Check and replenish oil methods. Take a small amount of lubricating oil as a sample and compare it with fresh lubricating oil.

Competent units can consider oil quality test to ensure that the oil quality is qualified. If the sample looks like a cloud, it may be the result of mixing with water, which is often called oil emulsification. At this time, the lubricating oil should be replaced.

If the sample becomes darker or thicker, it may indicate that the lubricating oil has begun to carbonize, and the old lubricating oil should be completely replaced. If possible, flush the oil circuit with fresh lubricating oil.

When replacing the lubricating oil, ensure that the new and old models of the replaced lubricating oil are the same, and supplement it to meet the required oil level.

Use the oil bath lubrication system. If the oil temperature is below 60 ℃ (140 ° f) and the lubricating oil is not polluted, replace the lubricating oil once a year. If the oil temperature is 60-100 ℃

(140-210 ° f), the lubricating oil needs to be changed four times a year. If the oil temperature is 100-120 ℃ (210-250 ° f), the lubricating oil needs to be changed once a month. If the oil temperature is above 120 ℃ (250 ° f), the lubricating oil needs to be changed once a week.

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