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Klüber VARILUB NBU 15/300
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Klüber VARILUB NBU 15/300
Spindle bearing grease
Application Klüber VARILUB NBU 15/300
VARILUB NBU 15/300 has been especially developed for highspeed rolling and plain bearings, e.g. tool and textile spindle bearings, threaded spindles, ball screws subject to high loads, chassis bearings. It can also be used as long-term grease for bearings in cableways and precision engineering, or for the lubrication of tooth flanks in precision gears (e.g. bevel gears in milling machines, electromechanical actuators for valves).
Performance, Features & Benefits of Klüber VARILUB NBU 15/300 are:
- Savings in costs for bearings due to the good corrosion and wear protection as well as pressure absorption capacity of the grease, therefore long service life and maintenance intervals
- Reduced wastewater disposal costs due to good water resistance resulting in a long service life and relubrication intervals
- Trouble-free operation of machines due to easy pumpability and metering in central lubrication systems
If you have any questions, please contact OilOnline Technical Helpdesk
Product Description Klüber VARILUB NBU 15/300
VARILUB NBU 15/300 is a high-speed grease with good pressure absorption properties. It consists of ester oil, synthetic hydrocarbon oil and mineral oil as well as a barium complex soap. VARILUB NBU 15/3000 offers good corrosion and wear protection, resistance to water and media as well as ageing and oxidation stability.
Typical Characteristics
| Product specifications | Method |
Klüber VARILUB NBU 15/300 |
|
| Article number | 004190 | ||
| Chemical composition, type of oil | ester oil | ||
| Chemical composition, thickener | barium complex soap | ||
| Chemical composition, type of oil | synthetic hydrocarbon oil | ||
| Upper service temperature | 130 °C / 266 °F | ||
| Lower service temperature | -30 °C / -22 °F | ||
| Colour space | beige | ||
| Texture | homogeneous | ||
| Density at | 20 °C | approx. 0.97 g/cm³ | |
| Worked penetration lower limit value | 25 °C | DIN ISO 2137 | 300 x 0.1 mm |
| Worked penetration, upper limit value | 25 °C | DIN ISO 2137 | 340 x 0.1 mm |
| Speed factor (n x dm) | approx. 1 000 000 mm/min | ||
| Shear viscosity at shear rate 300 s-1, equipment: rotational viscometer, lower limit value | 25 °C | 20 000 mPas | |
| Shear viscosity at shear rate 300 s-1, equipment:rotational viscometer, upper limit value | 25 °C | 5 000 mPas | |
| Base oil viscosity at calculated value | 40 °C | approx. 23 mm²/s | |
| Corrosion inhibiting properties of lubricating greases, (SKF-EMCOR), test duration: 1 week, distilled water |
DIN 51802 | <= 1 corrosion degree | |
| Copper corrosion, (lubricating grease), 24h | 120 °C | DIN 51811 | 1 - 120 corrosion degree |
| Drop point | DIN ISO 2176, IP 396 | >= 220 °C | |
| Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx |
36 months |
Application notes
The lubricant is applied by brush, spatula, grease gun or
cartridge. Owing to the many different elastomer and plastic
compositions their compatibility has to be checked prior to
series applications.
The product can normally be applied by means of centralised
lubricating systems. Please note, however, that due to different
system configurations and application conditions the
pumpability of the product has to be confirmed for each
individual application. We will be pleased to provide assistance
in this matter.
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