oil-free bushing slide bearing with good quality

oil-free bushing slide bearing with good quality System 1

oil-free bushing slide bearing with good quality

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 pc

Supply Capability:: 200000 pc/month

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Specifications

oil-free bushing
1,can be work without oil condition
2,low wear,low friction and with long life.
3,low vibration,low noise

oil-free bushing

Material

1.PTFE with fibre 0.01~0.03mm

2.Porous bronze 0.2~0.3mm

3.Steel backing 0.7~2.3mm

4.Tin-plating 0.005mm or copper plating 0.008mm

Technical

Load capacity 140N/mm2

Temperature -195°C ~ +280°C

Speed limit 5m/s

Friction coef(u) 0.04~0.20

PV Limit(Dry) 3.6N/mm2 .m/s

Application

1.PTFE and fibre can protect the shaft while in operation.

2.It is suitable for the machine required harmless to people because

of Lead-free.

3.Goodload capacity and anti-wear.

4.Bronze and steel have good thermal conductivity.

5.Anti-corrosion because of surface plating.

6.It is widely used in general machines,and suitable for food machine,pharmaceutical

machine,tobacco machine etc.It will subsitute SF-1 series bushings in future because of environment protection.

oil-free bushing slide bearing with good quality

Q:Is the bushing or roller in the sliding bearing? TwentyIs the bush or roller in the plain bearing? How do I search the "sliding bearing" in the Baidu picture, and some of the sliding bearings also have cylindrical roller, which is not cylindrical roller bearings?: Antirust function is used in the grease inside the bearing, need to have antirust effect, antirust agent best can not dissolve in water. Grease should have good adhesion. It can form an oil film in the name of steel. What kind of bearing is good, even if the grease is filled with water, it can also keep it. Mechanical stability. Grease will soften during machining and cause leakage. When an example of vibration is applied, the grease is thrown from the bearing housing into the bearing. If the mechanical stability of the grease is not enough, the grease will always be thrown out of the bearings, which will lead to mechanical disintegration of the soap structure and the use of grease. The oil seal is required to maintain bearings and lubricants to avoid external contamination, regardless of debris or moisture, which can not penetrate the bearings to prevent damage. Proper device maintenance is an important factor in using the longest life of the bearing.

Q:Characteristics of plain bearings: Plain bearings are commonly known as flat bearings. They are simple in form and large in contact area. If the lubrication is kept good, the abrasion resistance will be good, and the bearing life will be long. The sliding bearing has the advantages of large bearing capacity, high rotary accuracy and shock resistance of the lubricating film.

Q:What are the common faults of plain bearings?: (2) bearing cavitation sliding bearing in cylinder pressure under repeated impact load), the surface layer of plastic deformation and local deformation of cold hardening, loss of ability, and gradually form a pattern and continue to expand, and then with the shedding of debris, the loading surface layer forming hole. In general, pitting occurs when pitting occurs, and then the dimple gradually expands and causes cracking of the alloy layer interface. The cracks extend along the parallel direction of the interface until it is peeled off. The main reason for bearing cavitation is caused by sudden change of strong oil flow disorder cross-sectional oil groove and an oil hole structure elements, the formation of bubbles in the vacuum oil flow disorder, then the pressure generated cavitation bubble collapse. Cavitation usually occurs in the high load areas of bearings, such as the lower bush of the crankshaft main bearing.

Q:What are the principles of plain bearings and plain bearings?: 3. low carbon steel provides good load-carrying and heat transfer action.4. copper / tin electroplated coating 0.002mm makes it better corrosion resistance.

Q:Do you have a standard model?I design a rotating pan head, the motor is a cantilever state, the motor shaft is particularly easy to bend, want to add a sliding bearing on the shaft, but the sliding bearings know too little, help ah!: You can click on your account to log on - Baidu, co - operate, know platform consulting, and invite special guests on the electromechanical network

Q:I recently learned some knowledge of rolling bearings and journal bearings. Questions to ask the experts:1, sliding bearings for high speed, heavy load, then in reality, how many high speed, large load sliding bearings?2, in addition to the speed and load, rolling bearings and sliding bearings at the choice of, there are other considerations? Such as price.3, rolling bearings can withstand the maximum speed is generally how much? Such as 7000RPM or 10000RPM.Relatively superficial problem, may not ask the key point, but also ask you to forgive me, thank you!: There is an article entitled "how to choose the correct size of the bearing". I wonder if it will help you

Q:How many kinds of bearing clearance are there?: There are two kinds of clearance, one is the clearance between bearing and bearing bush, the other two is radial clearance of bearing.The first kind of clearance will cause the bearing or bush to be damaged, the lubricant pressure will be reduced, the gap will be too small, the bearing or bearing load will increase sharply, or even burn (tile).The second kind of clearance is too big, the bearing will move back and forth in the radial direction, the whole machine is not stable, the gap is too small, so that the load of the machine increases.Sliding bearings (sliding, bearing) bearings that work under sliding friction. Plain bearings work smoothly, reliably and without noise. Under the condition of liquid lubrication, the sliding surface is separated by the lubricant without direct contact, and the friction loss and surface wear can be greatly reduced. The oil film also has a certain vibration absorption capacity. But the starting friction resistance is larger. The shaft supported by the bearing is called the journal, and the part that matches the journal is called the bush. In order to improve the friction properties of the bearing surface, the antifriction material layer, which is cast on its inner surface, is called the bearing lining. Bearing and bearing lining materials are collectively referred to as journal bearing materials. The application of sliding bearings is usually under the condition of high speed and light load.

Q:Why are lubricated bearings lubricated by sliding bearings? Why grease lubrication?: Rolling bearings generally due to the conditions of economic problems, the use of grease lubrication, but also enterprises choose oil lubrication.

Q:What are the requirements for the material performance of plain bearings?: When the machine does not work, the axle is resting on the bearing and exerts pressure on the bearing. When the shaft rotates at a high speed, the shaft to the bearing with periodically varying load, sometimes accompanied by shock.

Q:What are the most afraid of sliding bearings?: The speed is too high, the shaft finish is not good, the hardness of the grinding shaft is not enough, lubrication, temperature, impurities and so on.Oil free self-lubricating bearings and solid lubrication bearings are produced by Jiaxing Solid Bearing Co., Ltd. and do not need oiling.

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