MP-210 Polymer Bearings
MP-210 is a thermoplastic material with a wire of fibres mixed with solid lubricants. This product has a low moisture absorption, good chemical resistance, low coefficient of friction, low wear against different shaft material; the best performance are with soft shaft material.
The applications can be various: ranging from office supplies, medical equipments, pneumatic cylinders hinges, pedal controls, etc. The MP-210 series includes cylindrical, flanged bearings, washers and special parts.
Operating Conditions
-
DRY -
OIL -
GREASE -
WATER -
PROCESS
FLUID
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Characteristics
- Dry self-lubrications
- Low moisture absorption
- Good chemical resistance
- Low coefficient of friction
- Low wear against different material
- Easy to assembly
- Wide range of standard items available
- Special items on demand
General Properties
| Density | 1,49 g/cm3 (DIN-53479 ASTM-D792) |
|---|---|
| Max moisture absorption in water at 24 h (23°C) | 0,3 % (ISO-62) |
| Coefficient of sliding friction, dynamic | 0,10 ÷ 0,20 |
| P x V Value | 0,35 N/mm2 (Dry) |
| Color | Yellow |
Mechanical properties
| Tensile strength (23 °C) | 73 N/mm2 (ISO-527) |
|---|---|
| Modulus of elasticity (23 °C) | 2400 N/mm2 (ISO-527R) |
| Elongation at break (23 °C) | 0,3% (ISO-527) |
| Izod – Impact strength (notched) (23 °C) | 60 J/m (ASTM D256-A) |
| Charpy – Impact strength (unnotched) (23 °C) | 18 Kj/m2 (ISO 179-1) |
| Charpy – Impact strength (notched) (23 °C) | 5 Kj/m2 (ISO 179-1) |
| Max surface speed (rotating) | 1,5 m/s |
| Max surface speed (linear) | 8,0 m/s |
| Max static surface pressure | 35 N/mm2 |
Physical and thermal properties
| Max long term application temperature | +90°C |
|---|---|
| Min long term application temperature | -50°C |
| Coefficient of thermal expansion (+30°C +100°C) | 10 K-1 * 10-5 (DIN53752) |
Electrical properties
| Specific volume resistance | >1013cm (DIN53482) |
|---|---|
| Surface resistance | >1012cm (DIN53482) |