Siemens SIMOTICS FD 1LH1, Operating Instructions & Installation Instructions

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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
be used after prior consultation with the manufacturer.
● If lubricating greases other than those named on the lubricant plate are used, it cannot be
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.
● The lubrication properties will be impaired if you mix different lubricating greases. This can
result in material damage. Only the manufacturer can provide a guarantee for the miscibility
of particular lubricating greases.
● The lubricating grease must satisfy the criteria listed in the table below and must match the
operating conditions. If different special lubricating greases are stated on the lubricant plate,
then different criteria apply.
Table 9-3 Criteria for selecting rolling bearing greases
Criteria Standard Property, characteristic value Unit
Type of base oil - Mineral oil -
Thickener - Lithium -
Consistency in accordance with
NLGI class
DIN 51818
● "3" for vertical and horizontal types of
construction
● "2" alternatively for horizontal type of
construction with reduced lubrication interval
-
Operating temperature range - At least -20° C ... +130° C °C
Dropping point DIN ISO 2176 At least +180° C °C
Basic oil viscosity DIN 51562-1 ● Approx. 100 mm²/s at 40 °C
● Approx. 10 mm²/s at 100 °C mm²/s
Additives -
● Anti-Oxidation (AO), Anti-Wear (AW)
● No solid lubricants
● Alternatively: Extreme-pressure (EP) only after
prior consultation with grease and bearing
manufacturers
-
FE9 test: A/1500/6000 DIN 51821-1/-2 F10 ≥50 h at +130 °C
F50 ≥100 h at +130 °C H
Behavior in the presence of water DIN 51807 0 or 1 at a test temperature of +90° C -
Corrosive effect on copper DIN 51811 0 or 1 at a test temperature of +120° C Korr.°
Maintenance
9.1 Inspection and maintenance
SIMOTICS FD 1LH1
128
Operating Instructions 01/2019