MP-210

MP-210 bearing structure

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

Very Good Good Good Good Good

Availability

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)
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