OKS 1133 – Low-Temperature Silicone Grease

OKS 1133 is a low-temperature silicone grease.

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Areas of application

  • Lubrication of rolling and friction bearings, as well as other machine elements at medium rotating speeds or sliding speeds in a broad temperature range
  • For example, electric motors, drives, control systems and telecommunication and navigation systems under arctic conditions, Bowden cables and brake mechanisms in aircraft, sliding parts in shock-freezing systems etc.
  • Lubricating grease for plastic/plastic and plastic/metal pairs and elastomers
  • For plastic sliding coatings in bridge supports and as a parting agent in plastics processing

Advantages and benefits

  • Highly effective due to optimum formula
  • Broad temperature range with a wide range of possible uses
  • Excellently suited for lubricating plastics and elastomers
  • Lubricating grease resistant to ageing, especially at low temperatures

Technical specifications

  • lower operating temperature: -73 °C
  • upper operating temperature: 200 °C
  • consistency: 2 NLGI grade (DIN ISO 2137)
  • viscosity at (25°C): 100 mm²/s (base oil)
  • four-ball test rig welding load: 1,200 N


For best results, clean lubricant point carefully, e.g. with OKS 2610 or OKS 2611 universal cleaner. Remove the corrosion protection ahead of the initial filling. Fill the bearings in a way that all the functional surfaces for sure get the grease. Slow moving bearings(DN-value < 50,000) should be filled completely, normal moving bearings should be filled to 1/3 of the free inner housing space. Observe the instructions of the bearing or machine manufacturer. Relubrication with a grease gun on to the grease nipples or with an automatic lubrication system. Relubrication intervals and amount to be defined acc. to the service conditions. If the removal of the old grease is not possible the amount of grease has to be limited to avoid excess lubrication of the bearing. At longer relubrication intervals a complete exchange of the old grease is recommended. Only mix with appropriate lubricants. Bearings filled with silicon grease must not have higher loads than 1/3rd of the bearing´s permitted load. Silicone-based plastics, e.g. silicone rubber, can be dissolved by silicone grease. Silicone grease must not be applied to sliding surfaces under influence of pure oxygen.

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