Benterm 2 850g high temperature bearing grease Naftochem
Product code: MB-0673
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Benterm 2 – high-temperature bentonite grease for rolling and plain bearings
Benterm 2 0.85 kg is a specialised high-temperature grease based on mineral oil and an inorganic bentonite thickener. It is designed for rolling and plain bearings operating at elevated temperatures, particularly between 100°C and 200°C. Its declared operating temperature range is -20°C to +200°C.
The non-melting characteristics of the bentonite thickener, resistance to hot and cold water, and corrosion protection make Benterm 2 suitable for demanding industrial bearing applications where conventional greases may not meet temperature requirements.
Applications of Benterm 2
Benterm 2 is primarily intended for:
- lubrication of rolling bearings exposed to elevated temperatures,
- lubrication of plain bearings operating under high-temperature conditions,
- bearing assemblies in industrial machinery and equipment,
- bearing applications involving exposure to hot or cold water.
The grease is particularly intended for bearings operating between 100°C and 200°C. Its suitability for a specific application must also be assessed against bearing design, load, rotational speed and the equipment manufacturer's lubrication requirements.
Key benefits of Benterm 2
- High-temperature performance – operating temperatures up to +200°C.
- Bentonite thickener – provides the non-melting characteristics associated with this grease technology.
- NLGI 2 consistency – suitable for specified rolling and plain bearing applications.
- Water resistance – resistant to both hot and cold water.
- Corrosion protection – helps protect lubricated components.
- Low oil separation – an important property in high-temperature applications.
- Ageing resistance – designed to withstand elevated operating temperatures.
When should you choose Benterm 2?
Benterm 2 is worth considering when a rolling or plain bearing operates at elevated temperatures and requires a grease specifically designed for such conditions.
It is particularly relevant for industrial maintenance applications where NLGI 2 consistency, high-temperature resistance, water resistance and corrosion protection are important selection criteria.
Important considerations before use
The manufacturer does not recommend Benterm greases for bearings driven by low torque. Before application, verify the bearing manufacturer's requirements, including operating speed, load, lubrication method and compatibility with the specified lubricant.
The dropping point must not be interpreted as the maximum continuous operating temperature. Benterm 2 has a declared upper operating temperature of +200°C.
Technical specifications of Benterm 2
| Parameter | Value |
|---|---|
| Manufacturer | Naftochem |
| Product | Benterm 2 |
| Melkib SKU | MB-0673 |
| Net weight | 0.85 kg |
| Product type | High-temperature grease |
| Base oil | Mineral oil |
| Thickener | Bentonite |
| Colour | Brown |
| Appearance | Homogeneous grease |
| NLGI consistency grade | 2 |
| Operating temperature range | -20°C to +200°C |
| Recommended bearing operating temperature | 100°C to 200°C |
| Worked penetration at 25°C | 281 (typical value) |
| Dropping point | 300°C (typical value) |
| Oil separation at 100°C / 30 h | 0.2 (typical value) |
| Evaporation loss at 150°C / 3 h | 0.7% (typical value) |
| Copper corrosion test at 100°C / 3 h | 1 |
| DIN 51502 | K2S-20 |
| ISO 6743-9 | L-X-BGEA-2 |
Storage
Store Benterm 2 in a tightly closed container, protected from moisture, ultraviolet radiation and mechanical contamination. The recommended storage temperature is between -10°C and +35°C. The manufacturer specifies a storage period of up to 3 years.
FAQ – Frequently asked questions
Is Benterm 2 suitable for bearings operating at 200°C?
Yes. Benterm 2 is designed for rolling and plain bearings operating at elevated temperatures, particularly between 100°C and 200°C, provided the application meets the equipment manufacturer's lubrication requirements.
Can Benterm 2 be used in both rolling and plain bearings?
Yes. Both rolling and plain bearings operating under high-temperature conditions are among its primary intended applications.
Is Benterm 2 resistant to water?
Yes. The manufacturer specifies resistance to both hot and cold water.
Is Benterm 2 suitable for all types of bearings?
No. The manufacturer does not recommend Benterm greases for bearings driven by low torque. Bearing operating conditions and equipment requirements must be considered before selecting the grease.
What is the difference between Benterm 1 and Benterm 2?
The main difference is their consistency grade. Benterm 2 has NLGI grade 2, while Benterm 1 has NLGI grade 1. Both belong to the range of high-temperature bentonite greases.
Does a dropping point of 300°C mean that Benterm 2 can operate at 300°C?
No. The dropping point is a laboratory test parameter and does not represent the permissible operating temperature. The declared maximum operating temperature of Benterm 2 is +200°C.
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