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                                    PTFE Porous Bronze Powder Steel Backing Bushing
                                    • PTFE Porous Bronze Powder Steel Backing BushingPTFE Porous Bronze Powder Steel Backing Bushing
                                    • PTFE Porous Bronze Powder Steel Backing BushingPTFE Porous Bronze Powder Steel Backing Bushing

                                    PTFE Porous Bronze Powder Steel Backing Bushing

                                    Top Bearings is a professional leader China PTFE Porous Bronze Powder Steel Backing Bushing manufacturers with high quality and reasonable price. Welcome to contact us.

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                                    Product Description

                                    Top Bearings is a professional leader China PTFE Porous Bronze Powder Steel Backing Bushing manufacturers with high quality and reasonable price. Welcome to contact us.


                                    Product Parameter

                                    Material:

                                    Low-Carbon Steel + Porous Bronze + PTFE

                                    Types:

                                    Wrapped Bushes, Flanged Bearing, Thrust Washer

                                    Application:

                                    Printing, Weaving And Tobacco Producing Machines, Gymnastic Equipment, Rock Absorbers, Etc.

                                    Working Temperature:

                                    -200~+280℃

                                    Max. Load:

                                    Static Load 250N/mm², Dynamic Load 140N/mm²

                                    Max. PV Value:

                                    Grease 3.6 N/mm²·m/s, Oil 50 N/mm²·m/s

                                    High Light:

                                    metric sleeve bearings, self lube bearings

                                    PTFE + Porous Bronze Powder + Steel Backing Self Lubricating Bushing Du Bearing / Du Bush

                                     

                                    Metallurgical Structure:

                                    PTFE + Porous Bronze Powder r+ Steel Backing
                                    1. PTFE with lead 0.01~0.03mm
                                    2. Porous bronze 0.2~0.3mm
                                    3. Steel backing 0.7~2.3mm
                                    4. Tin-plating 0.005mm / copper plating 0.008mm


                                    Product Introduction:

                                    DU bearing is wall wrapped bearing made of triple layer composites material which consists of a steel backing, a sintered porous bronze particles interlayer and calendared with PTFE and Pb mixture as surface layer, It is of low friction coefficient, anti-wear, anti-corrosion and can be used without oil, or only a trace of oil is needed. Moreover, it is of low cost, low vibration and low noise, compact and light, DU bearing is widely applied in various sliding articles of different kind of machines, Such as textile machines, tobacco machines, hydraulic vehicles, automobiles, agriculture and forests machines and soon.


                                    Application:

                                    1. Dry or only a trace of grease or oil required maintenance free.
                                    2. Low friction and with long life.
                                    3. Low vibration, low noise and non-pollution in operation.
                                    4. Electroplating is possible to prevent corrosion. It is widely used in various sliding motions of different kind of machine such as textile machine, tobacco machines, hydraulic, vehicles automobiles, and agriculture machines and so on.
                                    5. Low stick slip properties ensuring accuracy of machine operation under low sliding speeds.
                                    6. Load will spread over a wider area due to the bearing material's elastic nature.
                                    7. PTFE and Lead film is transferred to the mating shaft to improve running properties.
                                    8. It can be used in low hardness of mating shaft, so the shafts processing is easy.
                                    9. The machine will be compact because of the thin thickness and low weight of the bush.
                                    Technical Data
                                    Max. Load Static 250N/mm2
                                    Dynamic 140N/mm2
                                    Oscillating 60N/mm2
                                    PV limit Dry 3.6N/mm2. m/s
                                    Oil 50N/mm2. m/s
                                    Temp. limit -195 ~ +280° C
                                    Friction Coeff. 0.03 ~ 0.20μ
                                    Speed limit Dry 2m/s
                                    Oil 5m/s
                                    Thermal conductivity 2.41Kcal/M. br. c
                                    Coeff. Of linear expansion 27— 10-6per° C

                                     

                                    PTFE + Porous Bronze Powder Steel Backing Self Lubricating Bushing Du Bearing / Du Bush ( SF-1 ) 0



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