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Klüber STABURAGS NBU 4
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Klüber STABURAGS NBU 4
Lubricating greases with excellent wear resistance
Application Klüber STABURAGS NBU 4
STABURAGS NBU 4 has been used successfully on highspeed rolling bearings exposed to humidity or ambient media. It is suitable for rolls, spindles, cam rollers, tensioning rollers and motors. STABURAGS NBU 12 is efficient on medium-speed rolling bearings subject to humidity or ambient media. It is used on water pumps, wheel bearings and motors; and in the textile industry, on all wet processing equipment such as washing, mercerising and dyeing machines.
Performance, Features & Benefits of Klüber STABURAGS NBU 4 are:
- Good corrosion protection
- Good resistance to ambient media
- Excellent wear protection
- Good resistance to tribo-corrosion
- Good load-carrying capacity
- Good sealing effect
If you have any questions, please contact OilOnline Technical Helpdesk
Product Description Klüber STABURAGS NBU 4
STABURAGS NBU 4, 12 are lubricating greases based on mineral oil and barium complex soap. These products are resistant to very high specific surface pressure, thus ensuring good wear protection. In addition, they are resistant to corrosion, water and many diluted alkaline and acid solutions
Typical Characteristics
| Product specifications | Method |
Klüber STABURAGS NBU 4 |
|
| Article number | 017050 | ||
| NSF-H2 registration | |||
| Chemical composition, type of oil | mineral oil | ||
| Chemical composition, thickener | barium complex soap | ||
| Lower service temperature | -20 °C / -4 °F | ||
| Upper service temperature | 90 °C / 194 °F | ||
| Service temperature, upper limiting value for continuous lubrication | 130 °C | ||
| Colour space | beige | ||
| Density | 20°C | approx. 0.96 g/cm³ | |
| Worked penetration, lower limit value | 25°C | DIN ISO 2137 | 245 x 0.1 mm |
| Worked penetration, upper limit value | 25°C | DIN ISO 2137 | 275 x 0.1 mm |
| Kinematic viscosity of the base oil | 40°C | , DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 |
approx. 46 mm²/s |
| Kinematic viscosity of the base oil | 100°C | DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 |
approx. 7 mm²/s |
| Shear viscosity at 25 °C, shear rate 300 s-1, equipment: rotational viscometer, lower limit value |
6 000 mPas | ||
| Shear viscosity at 25°C, shear rate 300 s-1, equipment:rotational viscometer, upper limit value |
10 000 mPas | ||
| Drop point | DIN ISO 2176, IP 396 | >= 220 °C | |
| Four-ball tester, welding load | DIN 51350 pt. 04 | >= 3 000 N | |
| Speed factor (n x dm) | approx. 500 000 mm/ min |
||
| Water resistance, 3 h/90 °C, rating | DIN 51807 pt. 01 | <= 1 - 90 | |
| Flow pressure of lubricating greases, test temperature: -15 °C | DIN 51805 | ||
| Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx. |
60 months |
Application notes
These greases are applied by brush, spatula or conventional metering systems. STABURAGS NBU 12 is also available in our automatic lubricant dispenser Klübermatic. Please consult the application engineering experts from Klüber Lubrication to determine whether Klübermatic might be used under the conditions in your processes.
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