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





Process fluid

Good Good Good Fair Fair



  • 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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