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DUB
Properties
Suitable for dry running, low coefficient of friction, lower wear, good sliding characteristics, the transfer film created can protect the mating metal surface, suitable for rotary and oscillating movement. Very high chemical resistance, low absorption of water and swelling, also performs very good lubrication feature, the bronze backing provides the improved corrosion resistance comparing with CHANNOV bearings.
Materials
| PTFE / Fibre + Bronze + Bronze Backing |
| Sintered PTFE and Bronze on Bronze Backing (Maintenance-free Material) |
Technical Data
| Thermal Conductivity λ | 60 W/mK |
| Maximum Operating Temperature Tmax | 280°C/td> |
| Minimum Operating Temperature Tmin | -200°C/td> |
| Compressive Yield Strength σc | 300N/mm2 |
| Maximum static load psta,max | 140 N/mm2 |
| Maximum Dynamic Load Pdyn,max | 140 N/mm2 |
| Maximum Sliding Speed V-dry | 2.5m/s |
| MaximumPVFactor-dry, continuous operation | 1.8 N/mm2*m/s |
| MaximumPVFactor-dry,intermittent operation | 3.5 N/mm2*m/s |
| Coefficient of friction f-dry | 0.02-0.25 |
| Coefficient of friction f-oil lubricated | 0.02-0.12 |
EINSATZGEBIETE
| 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. |
