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Maintenance
9.1 Inspection and maintenance
Criteria for selecting rolling bearing greases
High quality ISO‑L‑X BDEA3 lubricating grease according to ISO 6743-9 and K3K‑20
lubricating grease according to DIN 51825 with lithium soap as a thickener and an upper
service temperature of at least +130° C / +266° F are permissible for standard applications
without special requirements.
● The technical data of the rolling bearing grease must be suitable for the application.
● Only use the grease type that is specified on the lubricant plate.
● If the operating conditions differ from those mentioned, other lubricating greases may only
● If lubricating greases other than those named on the lubricant plate are used, it cannot be
● The lubrication properties will be impaired if you mix different lubricating greases. This can
● The lubricating grease must satisfy the criteria listed in the table below and must match the
Table 9-3
Criteria for selecting rolling bearing greases
Criteria
Type of base oil
Thickener
Consistency in accordance with
NLGI class
Operating temperature range
Dropping point
Basic oil viscosity
Additives
FE9 test: A/1500/6000
Behavior in the presence of water
Corrosive effect on copper
122
be used after prior consultation with the manufacturer.
guaranteed that they are compatible with the complete system.
– If you use lubricating greases that satisfy only the minimum requirements of DIN 51825
or ISO 6743-9, then reduce the lubrication intervals by half or adapt them as appropriate.
– If in doubt, consult the manufacturer.
result in material damage. Only the manufacturer can provide a guarantee for the miscibility
of particular lubricating greases.
operating conditions. If different special lubricating greases are stated on the lubricant plate,
then different criteria apply.
Standard
-
-
DIN 51818
-
DIN ISO 2176
DIN 51562-1
-
DIN 51821-1/-2
DIN 51807
DIN 51811
Property, characteristic value
Mineral oil
Lithium
● "3" for vertical and horizontal types of
construction
● "2" alternatively for horizontal type of
construction with reduced lubrication interval
At least -20° C ... +130° C
At least +180° C
● Approx. 100 mm²/s at 40 °C
● Approx. 10 mm²/s at 100 °C
● Anti-Oxidation (AO), Anti-Wear (AW)
● No solid lubricants
● Alternatively: Extreme-pressure (EP) only after
prior consultation with grease and bearing
manufacturers
F10 ≥50 h at +130 °C
F50 ≥100 h at +130 °C
0 or 1 at a test temperature of +90° C
0 or 1 at a test temperature of +120° C
Unit
-
-
-
°C
°C
mm²/s
-
H
-
Korr.°
SIMOTICS FD 1LP1
Operating Instructions 01/2019
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