5.2.11 Frame Size, Installation Type - Bosch Rexroth MS2S Operating Manual

MS2S
Bearing service life
The bearing lifetime is an important criterion for
the availability of motors. The operating condi-
tions influence the bearing service life L
siderably.
The following boundary conditions apply to the
bearing service life L :
10h
•
Operation within the specified permissible
loads (radial and axial force)
•
Operation within the permissible ambient
conditions (temperature range 0 ... 40 °C,
vibration, and so on).
•
Operation within the thermally permissible
operating characteristic curve
The bearing lifetime also depends on the service
life of the grease. A calculated grease service life
was used for the mentioned specifications, taking
into consideration the following boundary condi-
tions.
•
Horizontal installation
•
Low vibration and impact loads
•
No oscillating bearing movement < 180°
•
Mean speed according to
speed - basis of calculated grease service
life" on page 29:
Table 9: Mean speed - basis of calculated grease
service life
Type
MS2S03, -04, -05
The following standard values apply under the
specified preconditions for the 60K and 100K
operation modes:
L during operation
10h
L = 20.000 h, in case of utilization with max.
10h
load factor 90% during the runtime.
Remark: When exceeding or not complying
with these conditions, a reduced service life is to
be expected.
R911410077, Edition 01
con-
10h
⮫ Table 9 "Mean
Mean speed
≤ 3500 1/min
Explanation of radial and axial force
During operation, both radial and axial forces act
upon the motor shaft and the motor bearing. The
permissible radial force F
shaft shoulder and the mean speed is specified in
the radial force diagrams.
Fig. 3: Point of action of radial force F
force F
A
The axial force values are the minimum permis-
sible axial forces F without limitations. A
A
detailed dimensioning is only possible if more
boundary conditions are known:
•
Occurring radial force and axial force with
force application point
•
Installation position (horizontal, vertical with
the shaft end pointing to the top or bottom)
•
Mean speed
For radial force diagrams, refer to the technical
data

5.2.11 Frame size, installation type

The motors can be installed horizontally and ver-
tically with the shaft end pointing to the top or
bottom. The mounting variants comply with the
IM code according to EN 60034-7 for design and
installation type.
Code I / Code II (EN 60034-7)
IM B5 / IM
3001
IM V1 / IM
3011
29 / 50
Features and functions
in distance x from the
R
and axial
R
Flange attachment on the
drive side of the flange
Flange attachment on the
drive side of the flange,
drive side facing down
Bosch Rexroth AG