self-lubricated sliding bearing with high quality

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500 pc
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100000 pc/month

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Product Description:

Specifications

self-lubricated sliding bearing
1, low wear, low friction , with long life
2,low vibration, low noise and non-pollution

self-lubricated sliding bearing

 

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. 

 

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Q:When calculating non liquid friction sliding bearings, what is the purpose of checking P, PV, v?
Check the average pressure of the bearing P is to ensure that the lubricant is not too large pressure extrusion.
Q:The oil release ring is in the mounting position of the sliding bearing
For example, water turbines, steam turbines, power stations, gates and so on. Self lubrication thrust sliding bearing is the product of Jiaxing Solid Bearing Co., Ltd..
Q:Is plain bearing just linear bearing or linear bearing is plain bearing?
Because the bearing ball and bearing point contact ball with minimum friction rolling, so linear bearing with small friction, and relatively stable, does not change with bearing speed, can obtain a smooth linear motion with high sensitivity and high precision. Linear bearing consumption also has its limitations, the most important is the bearing impact load capacity is poor, and the bearing capacity is also poor, secondly, linear bearings in high-speed movement, vibration and noise.
Q:Why can not the surface roughness of plain bearing surface be too high?
Because the process of start and stop, because of low speed shaft neck and sliding bearing contact friction generated, if the axis roughness is too large, it will increase the friction, easy to wear and sliding shaft bearing, so the shaft neck surface roughness is not too high.
Q:On what occasions are plain bearings used?
3, heavy load occasions;4, under the condition of tremendous impact and vibration;5, need to be made into split bearing occasions;
Q:Sliding bearing lubrication, under what circumstances need throttling?
The function of throttling is to adjust the pressure of the lubricant, so that the lubricant film of the bearing is provided with corresponding bearing capacity and rigidity, and can be kept constant, so that the lubrication is stable, and the lubrication performance is improved.
Q:Can the sliding bearings move in axial direction?
Yes, but it seems that the contact surface has changed, and the surface contact will not be the same as in the original position.
Q:What is the difference between rolling bearings and plain bearings?
Sliding bearing applications are generally under low speed heavy load conditions, or maintenance and lubrication of the difficult parts of the operation. Radial bearings in rolling bearings (mainly bearing radial forces) are usually composed of 4 parts: inner ring, outer ring, rolling body and rolling body cage. The inner ring is tightly sheathed on the shaft neck and rotates with the shaft, and the outer ring is arranged in the bore of the bearing seat. In the inner and outer peripheral inner raceway are made. When the inner and outer rings rotate relative to each other, the rolling bodies roll on the raceway of the inner and outer rings, and they are separated by the cage to avoid mutual friction. The thrust bearing is divided into two parts: the tight ring and the movable ring. The tight ring is tight with the shaft sleeve and the movable ring is supported on the bearing seat. Rings and rolling bodies are usually made of rolling bearings steel with high strength and good wear resistance, and the surface hardness should reach HRC60 - 65 after quenching. The holder with mild steel punch made of copper alloy can also be used bakelite cloth or plastic manufacturing.
Q:What are the differences between rolling bearings and plain bearings? What are their respective applications?
So, in heavy load situations and requirements of the radial dimensions small, compact structure requirements of occasions (such as the crankshaft bearings, rolling mill, roller bearing) with sliding bearing; rolling bearing vibration and noise, so on The precision requirement is very high, and no vibration occasions, rolling bearings generally difficult to do, is a rolling bearing rolling body adopts the sliding bearing.x0d the main difference often (ball, roller, tapered roller, needle roller bearing), there is no difference between the rolling body.x0d rolling bearing and sliding bearing the first appearance of the structure on the rolling bearing is a rotating body by rolling to support the rotating shaft, which is a point of contact area, rolling body more, nine more points of contact; x0d sliding bearing is on the smooth surface to support the rotating shaft, which is a surface contact area.
Q:What are the methods of casting plain bearings?
Usually to the metal materials company purchased bearings, bearing bronze (or called Babbitt), many are scrap copper, the use of crucibles, casting sand.

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