Siemens Simodrive 1PH7 - Page 104

2.3 Cantilever and axial force diagrams
1PH7/2-104
 Siemens AG, 2004. All rights reserved
Induction Motors, 1PH7 (APH7S) – 05.04 Edition
SH 160, permissible cantilever forces for increased max. speed
12 34 5678  10
3
n [RPM]
L
h1
8000 h
3800
3250
3000
2750
2500
2250
2000
F
QAS
[N]
Bearings, DE: 6212
Bearings, NDE: 6212
Estimated bearing lifetime under different operating conditions (F
QAS
; n)
q = Duration [%] under
constant conditions
L
h tot
=
100
q
1
L
h1
+
q
2
L
h2
+
q
3
L
h3
F
1QAS
F
QAS
F
2QAS
F
1QAS
= 0.9 F
QAS
F
2QAS
= 1.1 F
QAS
x = 55 mm
3500
x
Fig. 2-65 Cantilever force diagram, shaft height 160 for increased max. speed
Technical Data and Characteristics