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Lead-free heavy-duty grease for rolling bearings subject to high loads
Description
Klüberlub BE 41-542 is a heavy-duty (“EP”)
grease with a high-viscosity mineral base oil,
special lithium soap, EP/AW additives,
antioxidants ａnd anticorrosion additives.
Performance characteristics:
– lubricant film with high load-carrying
capacity
– excellent wear protection
– good water resistance
– service temperature up to 140 °C
– excellent adhesion
Klüberlub BE 41-542 is free from polluting
substances such as chlorine or heavy
metals.
Application
Typical applications of Klüberlub BE 41-542
are in rolling bearings operating under high
loads ａnd low to medium speeds, e.g. in
– load rollers in rotary kilns (cement
industry)
– crane wheels
– bucket wheel excavators
– hammer crushers, hammer mills
– working rolls in hot strip mills
– cold pilger rolling machines
– rolling bearings subject to shock loads or
dynamic loads
Application notes
The ambient temperature should be at
least 15 °C when applying the product with
an automatic grease pump.
Minimum shelf life
Approx. 24 months when stored in a dry
room in the closed original container.
Anti-wear behaviour
500 h test on the FAG-FE8 rolling bearing
test rig.
Tapered roller bearing
Pack sizes
25 kg bucket
180 kg drum
Product characteristics
Base oil/thickener
Service temperature range*, °C, approx. (DIN 51 825)
FAG-FE9-test run, DIN 51 821 pt. 2
n = 6000 min–1, Fa = 1500 N, F50-running time, h/°C
Flow pressure, DIN 51 805 at – 20 °C, mbar
Colour
Texture
Drop point, DIN ISO 2176, °C
Worked penetration, DIN ISO 2137 (ASTM-D 217),
at 25 °C; 0,1 mm
Speed factor for deep groove ball bearings
(n x dm), mm x min–1, approx.
Consistency class, DIN 51 818, NLGI
Corrosion behaviour (Emcor test)
DIN 51 802, 1 week, distilled water, rating
Water resistance, DIN 51 807, pt. 1,
3 h/90 °C, rating
Four ball tester, welding force, DIN 51 350, pt. 4, N
Base oil viscosity, DIN 51 561
at 40 °C, mm2
/s, approx.
at 100 °C, mm2
/s, approx.
Density, DIN 51 757, at 20 °C, g/cm3, approx.
mineral oil /
special lithium soap
– 20 to 140
121 / 140
< 1400
brown
homogenous
> 230
265 – 295
300 000
2
0/1
0/1
> 3000
540
32
0.93
* = The given service temperatures are guide values depending on the intended use ａnd the application
method.
The upper service temperature was determined acc. to DIN 51 825 und DIN 51 821 pt. 2, the lower service
temperature acc. to DIN 51 825 ａnd 51 805.
Behaviour towards elastomers ａnd plastics
The following elastomer types were tested for 168 h at 100 oder 140 °C to check their
resistance to Klüberlub BE 41-542 .
Material
Test period/temperature
Change in volume (%)
Change in hardness (SHA)
Tensile strength (%)
Elongation at tear (%)
79 NBR 902
168 h / 100 °C
8
– 4
– 11
– 1
70 ACM 370
168 h / 140 °C
10
– 6
– 26
– 4
75 FPM 585
168 h / 140 °C
2
4
– 40
– 54
We recommend checking the resistance of all materials in contact with the lubricant,
especially prior to series applications (our test results were obtained with random samples.
They are no substitute for your own compatibility tests).
* Average values
** Requirement of FAG/Schweinfurt for a
“heavy-duty grease”:
Rolling element wear: ≤ 35 mg
Cage wear: ≤ 100 mg
31312 A, Fa = 50 kN, P/C = 0,24,
n = 75 min–1
Steady-state temperature, °C 39.5*
Friction moment, Nm 10.5*
Rolling element wear (V50), mg 22**
Cage wear (V50), mg 42**
Klüberlub BE 41-542
Safety Data Sheet
Publisher ａnd Copyright:
Klüber Lubrication München KG
Klüber Lubrication München KG
Postfach 701047, D-81310 München
Tel. (089) 7876-0, Telex 5 23 131, Telefax (089) 7876333
Reprints, total or in parts, are permitted if source
is indicated ａnd voucher copy is forwarded.
1.1 Product name: Klüberlub BE 41-542
Code-No.: 020 269 24.6.1998
1.2 Klüber Lubrication München KG
Geisenhausenerstr. 7
D-81379 München,
Tel. ++49 - 89 - 7876 - 0 telephone exchange
Fax ++49 - 89 - 7876 - 333
2. Composition / information on ingredients
Chemical characterization (preparation): Mineral oil, special lithium
soap
Additional information: No hazardous ingredients
3. Hazards identification
No particular hazards known
4. First aid measures
After inhalation: Not applicable
After contact with skin: Wash off with soap ａnd plenty of water
After contact with eyes: Rinse with plenty of water
After ingestion: Do not induce vomiting. Obtain medical attention
Advice to doctor: Treat symptomatically
5. Fire-fighting measures
Suitable extinguishing media: Water spray, foam, dry powder, carbon
dioxide (CO2)
Unsuitable extinguishing media: High volume water jet
Special hazards: In case of fire the following can be released: Carbon
monoxide, hydrocarbons
Special protective equipment for firefighters: Standard procedure for
chemical fires
Additional information: Water mist may be used to cool closed
containers. In the event of fire and/or explosion do not breathe fumes
6. Accidental release measures
Personal precautions: Not required
Environmental precautions: Do not flush into surface water or sanitary
sewer system
Methods for cleaning up / taking up: Use mechanical handling
equipment. Dispose of absorbed material in accordance with the
regulations
Additional information: None
7. Handling ａnd storage
Advice on safe handling: No special handling advice required
Advice on protection against fire ａnd explosion: No special precautions
required
Requirements on storage rooms ａnd vessels: No special conditions
required
Incompatible materials: Incompatible with oxidizing agents. Do not store
together with food
Further information on storage condition: Store at room temperature in
the original container
8. Exposure controls / personal protection
Additional advice on system design: Not applicable
Ingredients ａnd specific control parameters: None
Respiratory protection: No special protective equipment required
Hand protection: No special protective equipment required
Eye protection: No special protective equipment required
Body protection: No special protective equipment required
Other protection measures: No special protective equipment required
General protection ａnd hygiene measures: Avoid prolonged and/or
repeated contact with skin. Remove soiled or soaked clothing
immediately. Clean skin thoroughly after work; apply skin cream
9. Physical ａnd chemical properties
Form paste
Colour brown
Odour characteristic
Drop point > 230 °C, DIN ISO 2176
Flash point > 200 °C (base oil)
Flammability not applicable °C
Ignition temperature not applicable °C
Autoflammability not applicable
Lower explosion limit not applicable
Upper explosion limit not applicable
Vapour pressure – first not applicable
Density approx. 0,93 g/cm3
, 20 °C
Water solubility insoluble, g/l
pH value not applicable
Kinematic viscosity not applicable
Further information None
10. Stability ａnd reactivity
Conditions to avoid: None
Materials to avoid: Strong oxidizing agents
Hazardous decomposition products: None under normal use
Additional information: None
11. Toxicological information
The toxicological data has been taken from products of similar
composition
Acute toxicity: LD50/oral/rat = > 2g/kg (literature data)
Chronic toxicity: None
Human experience: Prolonged skin contact may cause skin irritation
and/or dermatitis
12. Ecological information
Information on elimination (persistence ａnd degradability): Product
is insoluble in water. May be separated out mechanically in purification
plants
Behaviour in environmental compartments: Ecological injuries are not
known or expected under normal use
Ecotoxic: Aquatic toxicity is unlikely due to low solubility
Additional information: Should not be released into the environment
13. Advice on disposal
Disposal: Can be incinerated when in compliance with local, state and
federal regulations
Dispose of contaminated packaging ａnd recommended cleaning:
Offer rinsed packaging material to local recycling facilities
14. Transport information
GGVS / GGVE: not applicable ADN / ADNR: not applicable
IMDG-Code: not applicable ICAO / IATA-DGR: not applicable
Further information: Not classified as dangerous in the meaning of
transport regulations
15. Regulatory information
Labelling according to EU-guidelines: The product does not
require a hazard warning label in accordance with EC-directives/
German regulations on dangerous substances
National regulations
16. Other information
Issue-department of Safety Data Sheet:
Chemical Documentation,
Tel.: ++49 - 89 - 7876 - 564
The information provided in this leaflet is correct to the best of our knowledge, information ａnd belief at the date of its publication. The information given is designed
only as a guidance for safe handling, use, processing, storage, transportation, disposal ａnd release ａnd is not to be considered a warranty or quality
specification. The information relates only to the specific material designated ａnd may not be valid if the material is used incombination with any other materials
