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OILLESS BUSHING

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Features
Suitable for dry running with a low coefficient of friction,low wear rate, good sliding characteristics, the transfer film created will protect the mating metal surface.Suitable for rotary and oscillating movement, high chemical resistance, lower absorption of water and reduced swelling. Also performs well with lubrication.

Structure 1. PTFE/Fibre mixture thickness 0.01~0.03mm, provides an  excellent initial transfer film, which effectively coats the mating surfaces  of the bearing assembly, forming an oxidetype solid lubricant film.
2. Sintered bronze powder thickness 0.20-0.35mm,provides Max. thermal conductivity away from  the bearingsurface,also serves as a reservoir for the PTFE-Fibremixture.
3. Low-carbon steel,gives exceptionally high load carrying capacity,  excellent heat dissipation.
4. Copper/Tin plating thickness0.002mm,  provides good corrosion resistance.

Tech. Data Max. load Static 250N/mm2   Friction coefficient 0.03~0.20
Very low speed 140N/mm2
Rotating
oscillating 60N/mm2 Max.
speed Dry running 2m/s
Hydrodynamic
operation >2m/s
Max. PV
dry
running Short-term
operation 3.6N/mm2*m/3 Thermal conductivity 42W(m*K)-1
Continuous
operation 1.8N/mm2*m/3
Temp. limit -195°C~+280°C Coefficient of thermal
expansion 11*10-6*K-1

Typical Applications
This material meets the demanding criteria for long life and trouble-free performance with or without lubrication. 
Automotive: tractors, combines, crop sprayers, earthmovers, graders and other construction, auto machines, specific uses in power steering cylinders, steering gear thrust washers, disc brakes, calipers and pistons, shock absorbers, governor linkage, windshield wiper motor, tilt gear assemblies... 
Business machines: photocopy machines, typewriters, mail sorters, postage meter systems, computer terminal printers and peripheral equipment, automatic printing devices, mail processing machinery... 
Hydraulics and valves: pumps including gear, rotary, water, axial piston, and other types, ball, butterfly, poppet steam, and other valves and valve trunnions... 
Home appliances: tape recorders, refrigerators, air conditioners, cleaners, polishers, sewing machines, ovens, dishwashers, clothes washing machines...And materials handling, marine engine, packaging, textile equipment, tools...etc.


OILLESS BUSHING
 
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