SIEMENS
FLENDER Standard Couplings
Fluid Couplings — FLUDEX Series
13/47
Siemens MD 10.1 · 2015
Mass moments of inertia
and maximum oil filling quantities
13
Type FNDB
J
I
Mass moment of inertia of the inner rotor (hollow shaft
(106)/shaft (106) + blade wheel (105) + any parts of the add-
on coupling connected to them) in kgm
2
J
A
Mass moment of inertia of the outer housing (shell (101) +
cover (102) + any hub carrier (120) or add-on coupling) in
kgm
2
Mass moments of inertia
J
(including the power-transmitting oil
filling components) apply to maximum bores
Y
Centroidal distance of the drive-side coupling masses,
measured from the hub end face of the hub carrier.
F
Y
Effective weight in mass center
including maximum oil filling quantity
FLUDEX
size
Hub carrier
Brake drum
J
A
J
I
Weights
Oil filling quantity
Y
F
Y
max.
Hub
ØDBT x BBT
kgm
2
kgm
2
mm
N
l
370
Standard
Ø315 x 118
0.657
0.640
197
685
8.2
Ø400 x 150
1.341
Long
Ø315 x 118
0.647
0.640
227
Ø400 x 150
1.341
425
Standard
Ø315 x 118
1.107
0.811
224
970
12.5
Ø400 x 150
1.492
Long
Ø315 x 118
1.102
0.811
254
Ø400 x 150
1.492
490
Standard
Ø400 x 150
2.480
1.994
235
1450
19
Ø500 x 190
4.009
Long
Ø400 x 150
2.474
1.994
265
Ø500 x 190
4.009
565
Standard
Ø400 x 150
4.175
2.835
278
2050
29
Ø500 x 190
4.775
Long
Ø400 x 150
4.251
2.835
318
Ø500 x 190
4.775
655
Standard
Ø500 x 190
9.319
6.677
330
3100
45
Ø630 x 236
11.577
Long
Ø500 x 190
9.523
6.677
370
Ø630 x 236
11.577
755
Standard
Ø630 x 236
15.616
15.178
352
4300
67
Long
15.950
392
887
Standard
Ø710 x 265
33.662
30.832
406
7250
110
Long
34.462
456
© Siemens AG 2015