Jiaxing Joyreap Precision Machinery Co.,Ltd
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ZR-020X metal ploymer composite plain bearing is made of steel back as back layer, Sintered bronze powder and POM coated. This type sliding bearing has similar material structure with DX bushing.It's also called DX bushing, POM based self lubricating bearing,POZ composite plain bearing,dry sliding bearing and SF-2 oilless bearing, PAP P20 composite plain bearing.
Material Structure
1. POM with lead 0.3~0.5mm.
2. Porous bronze 0.2~0.3mm.
3. Steel backing 0.4~2.2mm.
4. Copper plating 0.008mm or tin plating
Characteristics
Availability
Standard cylindrical DX bushing, DX thrust washers and DX strips are available.
Special designs are produced at short time
Application
ZR-020X DX bushing is widely used in all kinds of industries, such as automotive: Steering gear, power steering, pedal bushes, seat slides, king-pin bushes, tailgate pivots, brake caliper bushes, etc
Industrial: Mechanical handling and lifting equipment, machine slides, hydraulic cylinders, hydraulic motors, ski-lifts, pneumatic equipment, medical equipment, textile machinery, agricultural equipment, scientific equipment, etc.
Technical Data
| Max Load (Static) | 250N/mm² | Operation Temperature range | -50°C~+130°C | ||
| Max Load (Very low speed) | 140N/mm² | Max.speed | Greased | 2m/s | |
| Max Load(Rotating oscillating) | 70N/mm² | Continuous oiling | >3m/s | ||
| Max. PV Grease Lubricated | 3.6N/mm²*m/s | Thermal conductivity | 50W(m*K)-1 | ||
| Coefficient of thermal expansion | 11*10-6*K-1 | Friction coefficient | 0.03~0.20 | ||
| The oil deposits have to be filled with grease before bearing assembling | |||||