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Klüber PETAMO GHY 441
High-temperature and long-term lubricant for rolling bearings subject to high loads
Application Klüber PETAMO GHY 441
For the initial and relubrication of rolling and plain bearings subject to high temperatures in general machinery, electric motors, load rollers in conveyors, roller bearings and continuous wood panel presses, load rollers in continuous casting machines and many other applications.
Performance, Features & Benefits of Klüber PETAMO GHY 441 are:
- Tried-and-tested grease for long-term lubrication, less maintenance and high reliability
- Good load-carrying capacity prevents wear, hence longer bearing life
- Excellent water resistance and corrosion protection prevent premature bearing failure and help to reduce maintenance costs
- Reduction in grease consumption and high resistance to oxidation and ageing due to the synthetic grease formulation
If you have any questions, please contact OlieOnline Technical Helpdesk
Product Description Klüber PETAMO GHY 441
PETAMO GHY 443 and PETAMO GHY 441 (recommended for relubrication due to its softer consistency) are special lubricating greases based on ester oil and polyurea thickener. The greases have been especially designed for the lubrication of rolling and plain bearings subject to high loads and temperatures. Being an efficient alternative to mineral oil based products, PETAMO GHY 443 and PETAMO GHY 441 achieve a much longer service life and therefore help to reduce maintenance costs. Due to their high base oil viscosity and excellent thermal stability they are mainly used for large rolling bearings.
Typical Characteristics
| Product specifications | Method |
Klüber PETAMO GHY 441 |
|
| Article number | 094051 | ||
| Lower service temperature | -30 °C / -22 °F | ||
| Upper service temperature | 180 °C / 356 °F | ||
| Colour space | beige | ||
| Texture | fibrous | ||
| Texture | homogeneous | ||
| Density | 20 °C | approx. 0.97 g/cm³ | |
| Worked penetration, lower limit value | 25 °C | DIN ISO 2137 | 310 x 0.1 mm |
| Worked penetration, upper limit value | 25 °C | DIN ISO 2137 | 340 x 0.1 mm |
| Kinematic viscosity of the base oil | 40 °C | DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 |
approx. 440 mm²/s |
| Kinematic viscosity of the base oil | 100 °C | DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 |
approx. 36 mm²/s |
| Corrosion inhibiting properties of lubricating greases, (SKF-EMCOR), test duration: 1 week, distilled water |
DIN 51802 | <= 1 corrosion degree | |
| Corrosion inhibiting properties of lubricating greases, (SKF-EMCOR), test duration: 1 week, distilled water |
DIN 51802 | <= 1 corrosion degree | |
| Flow pressure of lubricating greases | test temperature: -20 °C | DIN 51805 | |
| Flow pressure of lubricating greases | test temperature: -30 °C | DIN 51805-2 | <= 1 400 mbar |
| Drop point | >= 250 °C | DIN ISO 2176, IP 396 | |
| Speed factor (n x dm) | approx. 250 000 mm/ min |
||
| Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx. |
24 months |
Application notes
The greases can be applied by spatula, brush, grease gun or via centralized lubrication systems (PETAMO GHY 441). Prior to initial application please check compatibility with current greases and pre-clean bearings, where necessary.
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