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ABB/ BU Machines / HV Induction motors IEC catalogue / Standard motors EN 12-2007
19
1
Permissible axial forces
F
AZ
Ð
Ï
F
AD
The following tables give the permissible axial forces
in Newton, assuming zero radial force. The values are
based on normal conditions at 50 Hz with standard
bearings and calculated bearing lives L
10h
40,000 hours.
Given axial forces F
AD
, assumes D-bearing locked by
means of locking ring.
F
AD
Î
Í
F
AZ
Permissible radial forces
Mounting arrangement IM B3
Mounting arrangement IM V1
M000023
M000022
Length of
shaft
extension
E (mm)
Ball bearings
Roller bearings
Motor
size
Poles
40,000 hours
F
X0
(N)
FX
max
(N)
40,000 hours
F
X0
(N)
FX
max
(N)
315LK
2
140
4850
4300
-
-
4
170
7900
6850
25000
9500
6
170
9050
7850
30000
9500
355LK
2
140
2350
2150
-
-
4
210
9900
8600
25000
12000
6
210
11500
9950
40000
12000
400L / LK
2
170
550
500
-
-
4
210
8130
7160
25000
15000
6-8
210
10190
8900
45000
15000
450L
2
170
-
-
-
-
4
210
8950
7950
25000
20800
6-8
210
10430
9250
50000
20800
40,000 hours
2-pole
4-pole
6-8-pole
Motor
F
AD
F
AZ
F
AD
F
AZ
F
AD
F
AZ
size
N
N
N
N
N
N
315LK
2050
4050
4150
6150
5050
7050
355LK
850
4650
4350
8150
5650
9450
400L / LK
200
5200
2990
8990
3970
9970
450L
-
-
3200
9200
4220
10220
40,000 hours
2-pole
4-pole
6-8-pole
Motor
F
AD
F
AZ
F
AD
F
AZ
F
AD
F
AZ
size
N
N
N
N
N
N
315LK
-
-
7650
3750
9150
4350
355LK
-
-
10900
3850
12700
4600
400L / LK
-
-
11550
2780
15100
2480
450L
-
-
15420
800
19080
380