SF-1Steel Bronze Powder with PTFE Dry Bearings

Material: Steel+bronze+PTFE

 No.1 SF-1
  • This material meets the demanding criteria for long life and trouble-free performance with or without lubrication.
  • Automotive: tractors, combines, crop sprayers...
  • Business machines: photocopy machines, typewriters, mail sorters...
  • Home appliances: tape recorders, refrigerators, air conditioners...
Tech. data
Max. load P Static 250 N/mm²    Friction coefficient 0.03~0.20
Very low speed 140 N/mm² Max. speed V Dry running 2 m/s
Rotating oscillating 60 N/mm² Hydrodynamic >2 m/s
Max. PV Dry running Short-term operation 3.6 N/mm²*m/s Thermal conductivity 42 w(m*k)-1
Continuous operation 1.8 N/mm²*m/s Coefficient of thermal expansion 11*10-6*k-1
Temp. limit -195℃~+280℃

SF-1DSteel Bronze Powder with PTFE/Fibre Dry Bearings (Hydraulic Pump)

Material: Steel+bronze+PTFE

No.2 SF-1D
  • PTFE/Lipophilic Polymer Polymer fibre mixture thickness 0.01~0.03mm. Lead-free bearing layer provides an excellent initial transfer film, which effectively coats the mating surfaces of the bearing assembly, forming an oxide type solid lubricant film.
  • SF-1D is developed for high duty, oil lubricated, hydraulic applications...Automotive suspension struts, shock absorbers guide bushing, hydraulic cylinders, gear pumps, motors, axial and radial piston pumps & motors.
  • SF-1D is designed mainly for using under lubricated conditions and it performs excellent wear resistance and low static/dynamic friction coefficient.
Tech. Data
Max. Load P Static load 250 N/mm²    Temp. limit -195 ℃~+280 ℃
Very low speed 140 N/mm² Max. Speed V Dryrunning 2.5 m/s
Rotating load
Oscillating load
60 N/mm² Oilrunning 5 m/s
Max.PV Dryrunning Short-term 3.6 N/mm²*m/s Thermal conductivity 42w(m*k)-1
Continuous 1.8 N/mm²*m/s Coefficient of thermal expansion 11*10-6*K-1
max.PV Oilrunning 30 N/mm²*m/s Friction coefficient Dry 0.08~0.20
Oil 0.03~0.08

SF-1P Steel Bronze Powder with PTFE/Fibre Dry Bearings (Absorber)

Material: Steel+bronze+PTFE

No.3 SF-1P
  • SF-1P had the same structure as SF-1,particularly suitable for intermittent operation,reciprocating or oscillating movements.
  • Characterized by good lubrication and wear performance in the conditions of dry operation of oil.
  • It is applied to shock absorber of automobile,motorcycles and various hydraulic motors and pneumatic elements etc.
Tech. Data
Max. Load P Static load 250 N/mm²    Temp. limit -195 ℃~+270 ℃
Very low speed 140 N/mm² Max. Speed V Dry running 2.5 m/s
Rotating load
Oscillating load
60 N/mm² Oil running 5 m/s
Max.PV Dryrunning Short-term 3.6 N/mm²*m/s Thermal conductivity 42w(m*k)-1
Continuous 1.8 N/mm²*m/s
max.PV Oilrunning 30 N/mm²*m/s Friction coefficient 0.04~0.20

SF-1B Bronze Backed with PTFE Dry Bearings (Corrosion Resistance)

Material: bronze+PTFE

No.3 SF-1B
  • Bronze backing, provides exceptionally high load carrying capacity, excellent heat dissipation and very good corrosion resistance.
  • This material meets the demanding criteria for long life and trouble-free performance with or without lubricant, of high safety factor even.
  • The bronze backing provides a high corrosion resistance, anti magnetic properties and a good thermal conductivity,
  • The bearings are particularly appropriate for high temperature environment where no oil is efficient and the machine must be under successive long period working condition.
  • The typical applications covered Steel metallurgy industry such as bushes for roller grooves of successive casting machines, cement grouting pumps and screw conveyors for cement and so on.
Tech. Data
Max. Load P Static load 250 N/mm²    Temp. limit -195 ℃~+280 ℃
Very low speed 140 N/mm² Max. Speed V Dry running 2.5 m/s
Rotating load
Oscillating load
60 N/mm² Oil running 5 m/s
Max. PV Dry running Short-term 3.6 N/mm²*m/s Thermal conductivity 70 w(m*k)-1
Continuous 1.8 N/mm²*m/s Coefficient of thermal expansion 11*10-6*K-1
Max. PV 30 N/mm²*m/s Friction coefficient 0.03~0.20

SF-1SMetal mesh with PTFE layer bearings (Sea Water)

Material: inox(AISI304/AISI316)+bronze+PTFE

No.5 SF-1S
  • SF-1S consists of a stainless steel mesh shell laminated with compounded PTFE tape.
  • This material structure enables the final parts to be lighter.
  • The stainless steel provides good corrosion resistance.
  • It is widely used in chemical industries like chemical valves,medical industries, food industries etc.
Tech. Data
Max. Load P Static load 250 N/mm²    Temp. limit -195 ℃~+280 ℃
Very low speed 140 N/mm² Max. Speed V Dry running 2 m/s
Rotating load
Oscillating load
60 N/mm² Oil running 5 m/s
Max.PV Dry running Short-term 3.6 N/mm²*m/s Thermal conductivity 42 w(m*k)-1
Continuous 1.8 N/mm²*m/s Coefficient of thermal expansion 15*10-6*K-1
max.PV Oil running 30 N/mm²*m/s Friction coefficient 0.03~0.20

SF-1T Steel Bronze Powder with PTFE/Fibre Dry Bearings (Gear Pump)

Material: Steel+bronze+PTFE

No.6 SF-1T
  • SF-1T has the same structures as SF-1,it is special for gear pump.
  • It is a special formula product devised by high PV value operational mode conditions of gear oil pump.
  • Characterized by low friction factor, stability, well wearing performance and impact resistance,it has been widely applied to gear pumps,radial piston pumps,radial piston pumps and vane pumps etc.
Tech. Data
Max. Load P Static load 250 N/mm²    Temp. limit -195 ℃~+280 ℃
Very low speed 140 N/mm² Max. Speed V Dry running 2.5 m/s
Rotating load
Oscillating load
60 N/mm² Oil running 5 m/s
Max.PV Dryrunning Short-term 4.3 N/mm²*m/s Thermal conductivity 42w(m*k)-1
Continuous 2 N/mm²*m/s
max.PV Oilrunning 40 N/mm²*m/s Friction coefficient 0.03~0.20

SF-2 Steel Bronze Powder with POM Marginal Bearings

Material: Steel+bronze+POM

No.3 SF-2
  • Suitable for rotating and oscillating movement, less maintenance requirements due to the long re-lubrication intervals, lower wear, lower susceptibility to edge loading, no absorption of water and therefore no swelling, good damping behaviors, good resistance to shock loads.
Tech. Data
Max. Load P Static load 250 N/mm²    Temp. limit -40 ℃~+130 ℃
Very low speed 140 N/mm² Max. Speed V Pre-lubricated 2 m/s
Rotating load
Oscillating load
70 N/mm² Continuous Grease 2.8 m/s
Max.PV 3 N/mm²*m/s Thermal conductivity 50w(m*k)-1
Coefficient of thermal expansion 11*10-6K-1 Friction coefficient 0.05~0.20
Initial pre-lubrication at assembly is strongly recommended.

TEXSteel with PTFE Fibre Fabric Bearings (Higher Load)

Material: Steel+PTFE Fibre

No.8 TEX
  • Suitable for rotating and oscillating movement, less maintenance requirements due to long re-lubrication intervals, lower wear, lower susceptibility to edge loading, no absorption of water and therefore no swelling, good damping behavior, good resistance to impact loads.
  • It has longer service life under low speed and high load.
  • This material is used in the equipments like suspension and auxiliary of agriculture, construction machines, cranes, hydraulic and mechanical jibs, ball butterfly and sluice valves, water pumps and chemical industries etc.
Tech. Data
Max. Load P Static load 350 N/mm²    Temp. -50 ℃~+160 ℃
Dynamic load 180 N/mm² Friction coefficient 0.05~0.20
Max. Speed V 0.5 m/s Thermal conductivity 42w(m*k)-1
Max.PV(Dry) Short-term 3.6 N/mm²*m/s Coefficient of thermal expansion 11*10-6*K-1
Continuous 1.8 N/mm²*m/s