Siemens SIMOTICS FD 1LL1, Operating Instructions & Installation Instructions

Page: 139 / 188

Grease selection criteria
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.
When selecting the lubricating grease, ensure that the technical data of the grease is suitable
for the application.
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 roller 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.°
Corrosion resistance (EMCOR) DIN 51802 /
ISO 11007 0 - 0 Korr.°
Solid matter content, particle sizes >
25 µm
DIN 51813 <10 mg/kg mg/kg
Suitability of bearings
Speed parameter nxdm - Suitable for the built-in motor bearings, seals and
these speeds
-
mm/min
Maintenance
9.1 Inspection and maintenance
SIMOTICS FD 1MH1
Operating Instructions 08/2017
139