MP-330

MP-330 bearing structure

MP-330 is a thermoplastic without solid lubricants. This material is ideal for use in direct contact with pharmaceuticals and food. The MP-330 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

  • Ideal for use in direct contact with pharmaceuticals and food
  • Good abrasion resistance
  • 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) 1,70 % (ISO-62)
Coefficient of sliding friction, dynamic 0,10 ÷ 0,40
P x V Value 0,10 N/mm2 (Dry)
Color White

Mechanical properties

Tensile strength (23 °C) 95 N/mm2 (ISO-527)
Modulus of elasticity (23 °C) 3600 N/mm2 (ISO-527R)
Elongation at break (23 °C) 5% (ISO-527)
Izod – Impact strength (notched) (23 °C) 25 J/m (ASTM D256-A)
Charpy – Impact strength (unnotched) (23 °C) >300 Kj/m2 (ISO 179-1)
Charpy – Impact strength (notched) (23 °C) 4 Kj/m2 (ISO 179-1) 
Max surface speed (rotating) 0,80 m/s
Max surface speed (linear) 2 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 >1013cm (DIN53482)
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