Type Of Construction; Degree Of Protection; Environmental Conditions - Siemens SIMOTICS XP 1MB5 Series Operating Instructions Manual

The machines are equipped with different types of rolling bearings depending on the version
and the operating conditions described in the order.
Table 3-4
Horizontal type of construction,
coupling output
Horizontal type of construction, for
increased transverse forces e.g. in
the case of belt coupling
Vertical type of construction
3.3.3

Type of construction

The type of construction of the machine is stated on the rating plate.
3.3.4

Degree of protection

The machine has a type of protection as stamped on the rating plate, and can be installed in
dusty or humid environments.
3.3.5

Environmental conditions

Table 3-5
Ambient temperature
Installation altitude
Air with normal oxygen content, usually
If the environmental conditions are different from the details listed here, then the values on the
rating plate or in the catalog will apply.
1MB5 SH 400/450
Operating Instructions, 05/2019, A5E45959221A
Rolling bearing versions
● DE: Deep-groove ball bearing as fixed bearing
● NDE: Deep-groove ball bearing as floating bearing with axial
● DE: Cylindrical rolling bearing as floating bearing
● NDE: Deep-groove ball bearing as fixed bearing
● DE: Pairing of angular-contact ball bearing / deep-groove ball
● NDE: Deep-groove ball bearing as floating bearing with axial
Limit values for the ambient conditions for standard motors
springs
bearing as fixed bearing
springs
-20 °C ... +40 °C
≤1000 m above sea level
V / V )
21 % (
Description
3.3 Structure
25