MP-320

MP-320 bearing structure

MP-320 is a thermoplastic material with a wire of fibers. This product is electrically conductive e it has good chemical resistance and good resistance to high loads. The MP-320 series includes cylindrical and flanged bearings as well as washers, and special items are available on demand.

Operating Conditions

Dry

Oil

Grease

Water

Process fluid

Good Good Good Fair Fair

Availability

Characteristics

  • Electrically conductive
  • Good chemical resistance
  • For high static loads
  • Easy to assembly
  • Wide range of standard items available
  • Special items on demand

General Properties

Density 1,29 g/cm3 (DIN-53479 ASTM-D792)
Max moisture absorption in water at 24 h (23°C) 1,80 % (ISO-62)
Coefficient of sliding friction, dynamic 0,10 ÷ 0,40
P x V Value 0,34 N/mm2 (Dry)
Color Black

Mechanical properties

Tensile strength (23 °C) 260 N/mm2 (ISO-527)
Modulus of elasticity (23 °C) 11600 N/mm2 (ISO-527R)
Elongation at break (23 °C) 5% (ISO-527)
Izod – Impact strength (notched) (23 °C) 65 J/m (ASTM D256-A)
Charpy – Impact strength (unnotched) (23 °C) 30 Kj/m2 (ISO 179-1)
Charpy – Impact strength (notched) (23 °C) 8 Kj/m2 (ISO 179-1) 
Max surface speed (rotating) 0,80 m/s
Max surface speed (linear) 3 m/s
Max static surface pressure 105 N/mm2

Physical and thermal properties

Max long term application temperature +140°C
Min long term application temperature -40°C
Coefficient of thermal expansion (+30°C +100°C) 2 K-1 * 10-5 (DIN53752)

Electrical properties

Specific volume resistance >103cm (DIN53482)
Surface resistance >102cm (DIN53482)
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