oilless bearing DU DX,2*3.5*4,20*23*20,500*505*150,composite
material,yellow,white ,etc.
| Type: | Oilless Bearing |
| Product Name: | Composite Material Composite Material |
| Copper/tin Plating Layer: | 0.002mm |
| Copper Powder Layer: | 0.20~0.35mm |
| Keywords: | Composite Bushing |
| Feature: | Good Wear Resistance |
| Application: | Power Steering Pumps |
| Thermal Conductivity: | >2m/s42W(m*K)-1 |
Product parameters
Substrate properties
It is suitable for working parts that can"t be refueled or
difficult to refuel. It has good wear resistance, small friction
coefficient and long service life. It has good running performance,
low noise and good corrosion resistance. The transfer film formed
during operation plays a role in protecting the grinding shaft. The
role of no biting axis phenomenon; the processing requirements of
the grinding shaft is reduced, reducing the user"s processing
costs. It is widely used in general industry.
Material organization
1. The mixture of PTFE and fiber 0.01~0.03mm can form a good
transfer film to protect the grinding shaft and provide the
self-lubricating performance of the bearing.
2. The copper powder layer is 0.20~0.35mm, which has good bearing
capacity and wear resistance. Good thermal conductivity can
transfer the heat generated during the operation of the bearing.
The composite material can penetrate into the gap of the copper
powder ball to improve the bonding strength.
3. Low carbon steel provides good load bearing performance and heat
transfer.
4. Copper/tin plating layer is 0.002mm, which makes it have better
corrosion resistance.
Technical Parameters
| Bearer | Static bearing | 250N/mm2 | Coefficient of friction | 0.03~0.20 |
| Low speed operation | 140N/mm2 |
| Rotation, rocking motion | 60N/mm2 | Line speed | Dry friction | 2m/s |
| Fluid lubrication | >2m/s |
| PV value (dry friction) | Intermittent operation | 3.6N/mm2*m/3 | Thermal Conductivity | >2m/s42W(m*K)-1 |
| Long-term operation | 1.8N/mm2*m/3 |
| Operating temperature | -195℃~+280℃ | Linear expansion coefficient | 11*10-6*K |
typical application
SF-1X oilless lubricated bearings (standard) materials can be used
for long-term use under dry friction and lubrication conditions
without the need for additional maintenance;
Steam locomotives: tractors, combine harvesters, crop sprayers,
bulldozers, graders and other construction machinery; in the
automotive industry for power steering pumps, steering thrust
washers, disc brakes, shock absorbers, door hinges, wipers, chairs
Angle adjusters, air valves and solenoid valves;
Office business machinery: copiers, fax machines, printers, mail
processors, etc.;
Hydraulic components and valves: gear pumps, piston pumps, vane
pumps, ball valves, butterfly valves, cylinders, cylinders and
other hydraulic components;
Household appliances: refrigerators, air conditioners, vacuum
cleaners, sewing machines, washing machines, microwave ovens and
fitness equipment;
And other logistics machinery, packaging machinery, textile
machinery, port machinery, mining machinery and forest machinery.
