MP-M Polymer Bearings
MP-M is a thermoplastic material with a wire of fibers mixed with solid lubricants. This product is developed by their vibration dampening, impact strength and wear resistant properties. There are several applications, garden machine application, agricultural machine, fitness machine and packaging machine, etc.
The MP-M series includes cylindrical and flanged bearings as well as washers, and special parts are available on demand.
Operating Conditions
-
DRY -
OIL -
GREASE -
WATER -
PROCESS
FLUID
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Characteristics
- Dry self-lubrications
- Resistant to edge loading
- High impact resistance
- Excellent vibration dampening
- Thick walled according DIN 30910
- Good chemical resistance
- Ideal for rotary, swinging or linear movements
- Low friction factor, either static or dynamic
- Minimized wear and excellent service life
- Easy to assembly
- Wide range of standard items available
- Special items on demand
General Properties
| Density | 1,14 g/cm3 (DIN-53479 ASTM-D792) |
|---|---|
| Max moisture absorption in water at 24 h (23°C) | 1,4 % (ISO-62) |
| Coefficient of sliding friction, dynamic | 0,27 ÷ 0,29 |
| P x V Value | 0,12 N/mm2 (Dry) |
| Color | Dark Grey |
Mechanical properties
| Tensile strength (23 °C) | 85 N/mm2 (ISO-527) |
|---|---|
| Modulus of elasticity (23 °C) | 3700 N/mm2 (ISO-527R) |
| Elongation at break (23 °C) | 11% (ISO-527) |
| Izod – Impact strength (notched) (23 °C) | 35 J/m (ASTM D256-A) |
| Charpy – Impact strength (unnotched) (23 °C) | >250 Kj/m2 (ISO 179-1) |
| Charpy – Impact strength (notched) (23 °C) | |
| Max surface speed (rotating) | 0,8 m/s |
| Max surface speed (linear) | 2,5 m/s |
| Max static surface pressure | 20 N/mm2 |
Physical and thermal properties
| Max long term application temperature | +80°C |
|---|---|
| Min long term application temperature | -40°C |
| Coefficient of thermal expansion (+30°C +100°C) | 4 K-1 * 10-5 (DIN53752) |
Electrical properties
| Specific volume resistance | >1013cm (DIN53482) |
|---|---|
| Surface resistance | >1012cm (DIN53482) |