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OKS 424 – Synthetic High-Temperature Grease

Synthetic grease for bearing points subject to extremely high temperatures and corrosive environmental influences.

Areas of application

  • Lubrication of rolling and friction bearings subjected to high temperatures, corrosive environmental influences
  • Lubrication of bearing points at furnace, cooling-bed and conveyor systems, motors and hot-air fans that are subjected to temperature stress
  • Suitable for lubricating exhaust-gas fans

Advantages and benefits

  • Reduces wear and friction
  • Good corrosion protection
  • Excellent temperature resistance
  • When operating temperature is exceeded, forms only minimal residues
  • Good plastic and elastomer compatibility
  • Good resistance against water influence and aggressive environmental influences

Technical specifications

  • Operating temperature: -40 °C → +200 °C
  • NLGI grade: 1-2
  • DN factor (dm x n): 500,000 mm/min
  • Base oil viscosity (40 °C): 400 mm²/s

Applications

For optimum effect, carefully clean the lubricating point, for example with OKS 2610/OKS 2611 universal cleaner. Before filling for first time, remove anti-corrosion agent. Fill the bearing such that all functional surfaces are certain of being greased. Fill normal bearings up to about 1/3 of the free space inside the bearing. Low-speed bearings (DN value < 50,000) and their housings should be filled completely. The bearing and machine manufacturer's instructions should be observed. Subsequent lubrication at the lubrication nipples by grease gun or by automatic lubrication system. Assess the lubrication frequency and quantity on basis of service conditions. If old grease cannot be removed, restrict the quantity of grease so as to avoid overlubricating the bearing. If lubrication frequencies tend to be low, you should aim for a full grease change. Only mix with suitable lubricants.

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