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                                    Marginal Lubricating Lead Free Non Oil Bearings
                                    • Marginal Lubricating Lead Free Non Oil BearingsMarginal Lubricating Lead Free Non Oil Bearings
                                    • Marginal Lubricating Lead Free Non Oil BearingsMarginal Lubricating Lead Free Non Oil Bearings

                                    Marginal Lubricating Lead Free Non Oil Bearings

                                    As the professional manufacturers, Top Bearings would like to provide you high quality Marginal Lubricating Lead Free Non Oil Bearings. And we will offer you the best after-sale service and timely delivery.

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                                    Product Description

                                    As the professional manufacturers, Top Bearings would like to provide you high quality Marginal Lubricating Lead Free Non Oil Bearings. And we will offer you the best after-sale service and timely delivery.


                                    Product Parameter

                                    Material:

                                    Low-Carbon Steel + Porous Bronze + Blue POM

                                    Types:

                                    Wrapped Bushes, Thrust Washer

                                    Application:

                                    Vehicle Chassis, Forming Machine Tools, Steel Metallurgical Machinery, Mineral Mountain Machinery, Hydraulic Industry And Rolling Steel Industry, Etc.

                                    Heat-conducting Coefficient:

                                    52 W/(m*k)

                                    Heat-expansion Coefficient (Axial):

                                    11*10^-6k

                                    Working Temperature:

                                    -40~+120℃

                                    High Light:

                                    pom bearing, sleeve bearing bushing

                                    Marginal Lubricating Lead-Free Bush , Non-oil Lubricated Bearings, Non-oil Bearings

                                    SF-1 non-oil lubricated bearings are high-quality low-carbon steel as the base, the middle sintered spherical bronze powder, surface rolling polytetrafluoroethylene (PTFE) and lead mixture is made of rolling sliding bearings. And have a small coefficient of friction, wear resistance, corrosion resistance and good oil-free lubrication characteristics. To use the product can reduce costs; reduce mechanical noise and so on. Has been widely used in various mechanical sliding parts, such as printing presses, textile machines, tobacco machines, exercise machines, hydraulic pallet truck, hydraulic pumps, automobiles, motorcycles and agro-forestry machinery.

                                     
                                    Are widely used in automated machinery and equipment (telescopic, swinging, sliding, swing and other parts) and hydraulic cylinder guide sleeve, plastic molding machines, die-casting machines, rubber machinery, hydraulic handling vehicles, printing presses, textile machines, tobacco machines, micro-motor , automobiles, motorcycles and forestry machinery and so on.
                                     
                                    SF-2 boundary lubricated bearings are high-quality low-carbon steel plate as the base, the middle layer of porous sintered bronze layer, the surface layer of modified POM rolled. The product load is good, good wear resistance. For high load low speed rotary motion, oscillating motion, and often frequent and difficult to load hoisting the formation of hydrodynamic lubrication occasions. In the boundary lubrication conditions, in the long term without refueling and maintenance, refueling in the over layer so that a longer bearing life. The surface of plastic layer in the processing molding can be left a certain margin, the assembly seating whole pressure on their own after processing, in order to achieve better assembly dimensions. Products are mainly used in auto chassis, metallurgical machinery, mining machinery, irrigation machinery, construction machinery, agricultural machinery, steel rolling equipment.


                                    Maximum load pressure: 70N/mm2 friction coefficient: 0.05 ~ 0.25
                                    Suitable temperature range: -40 ~ +130 degrees Celsius to allow the maximum PV value: 2.8N/mm2.m/s
                                    The maximum sliding speed: 2.5m / s to allow the maximum PV value: 22N/mm2.m/s
                                     
                                    Its advantages: thin wall, small size, light weight, carrying a high friction coefficient is small, high temperature, pollution-free, easy installation, low-cost, durable. For user enterprises improved product design rationality, economy and the current green needs. ..

                                    SF-2 Non-lead boundary lubrication bearing is improved on the basis of sf 2X.It can be applied to the field where non-lead is required. Now it's widely used in textile machines, auto operating parts and other middle speed, middle load and grease lubrication occasions.
                                    Technical
                                    Load capacity:70N/mm2
                                    Temperature:-40~+130°C
                                    Speed limit:2.5m/s
                                    Friction coef(u):0.05~0.25
                                    PV LIMIT(Dry):2.8N/mm2 .m/s
                                    PV LIMIT(OIL):22N/mm2 .m/s
                                    Application:
                                    SF-2 1.Good load capacity and anti-wear.
                                    2.It is used in high load capacities and low speed with rotational, oscillating or frequent stop-start motion.
                                    3.It can work long time without oil in the condition of boundary lubrication, under oil or grease lubrication interval, the work is longer.
                                    4.It is machinable for the thicker of POM.
                                    5.The bushes can be applied in auto chassis, forging machine, metallurgical, civil engineering, power station, strip rolling industries etc.
                                    6.SF-2Y is widely used in the machine that Lead is unacceptable.

                                     

                                    SF-2 CHEMICAL CHARACTERISTICS

                                    Type In Air In Vacuum In water In Vapor Weak Acid middle Acid Strong Acid In Alkali
                                    SF-2      OK OK OK OK BAD NO NO OK


                                    Friction&Wear Test

                                    Type Time Test Condition Friction coef(u) TEMP.
                                    (°C)
                                    Wear
                                    (mm)
                                    Lubricate Speed Drang
                                    SF-2     3hr grease 0.4m/s 3.5N/mm2 0.088 53 0.01

                                     
                                    Marginal Lubricating Lead Free Self Lubricating Bushings Non Oil Bearings 0



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