SIEMENS
FLENDER Standard Couplings
Torsionally Rigid All-Steel Couplings — ARPEX ARS-6 Series
Type NUN
6/10
Siemens MD 10.1 · 2015
6
■
Selection and ordering data
Torsionally rigid coupling type NUN with radially freely dismountable intermediate spacer. Types BUN and BUB cannot be radially
dismounted without moving the units. On type BUB, the smallest possible shaft distance can be achieved.
G_MD10_XX_00145
Ø
ND1
Ø
D1
Ø
DA
S1
N
U
N
B
B
U
NL1
LG
NL2
A
P
P
S
LG
S
Ø
ND2
Ø
D2
Ø
DZ
SZ
Ø
ND1
Ø
D1
Ø
ND2
Ø
D2
A
S
LG
Ø
ND2
Ø
D2
Ø
ND1
Ø
D1
B
N
U
Size
Rated
torque
Maxi-
mum
speed
Type
Dimensions in mm
Mass
moment
of inertia
Article No.
Weight
Shaft
dis-
tance
Order codes for bore
diameters and tolerances
are specified in catalog
section 3
DA
T
KN
n
Kmax
D1, D2
ND1
ND2
DZ
SZ
NL1/
NL2
S1
S
A
P
LG
J
m
Keyway
DIN 6885
mm
Nm
rpm
max.
max.
kgm
2
kg
78-6
170
13400
NUN
28
28
39
39
45
2.5
30
8
84
–
–
144
0.001
2LC0470-0NW
■
■
-0AA0
1.5
BUN
61
8
29
121
2LC0470-0BD
■
■
-0AA0
BUB
38
98
2LC0470-0AT
■
■
-0AA0
105-6
270
10000
NUN
45
45
63
63
72
2.5
45
8
90
–
–
180
0.004
2LC0470-1NW
■
■
-0AA0
2.9
BUN
52
8
29
142
2LC0470-1BD
■
■
-0AA0
BUB
14
104
2LC0470-1AT
■
■
-0AA0
125-6
490
8400
NUN
55
55
76
76
84
2.5
55
11
116
–
–
226
0.011
2LC0470-2NW
■
■
-0AA0
5.3
BUN
70
10
37
180
2LC0470-2BD
■
■
-0AA0
BUB
24
134
2LC0470-2AT
■
■
-0AA0
140-6
700
7500
NUN
65
65
91
91
99
2.5
65
11
116
–
–
246
0.019
2LC0470-3NW
■
■
-0AA0
7.2
BUN
60
10
37
190
2LC0470-3BD
■
■
-0AA0
BUB
4
134
2LC0470-3AT
■
■
-0AA0
165-6
1250
6350
NUN
75
75
105
105
114
2.5
75
14
136
–
–
286
0.038
2LC0470-4NW
■
■
-0AA0
10.9
BUN
70
12
45
220
2LC0470-4BD
■
■
-0AA0
BUB
4
154
2LC0470-4AT
■
■
-0AA0
175-6
2000
6000
NUN
80
80
110
110
120
3.0
80
15
142
–
–
302
0.057
2LC0470-5NW
■
■
-0AA0
14.1
BUN
74
15
52
234
2LC0470-5BD
■
■
-0AA0
BUB
6
166
2LC0470-5AT
■
■
-0AA0
195-6
3000
5350
NUN
90
90
120
120
131
3.0
80
15
142
–
–
302
0.085
2LC0470-6NW
■
■
-0AA0
16.8
BUN
74
14
52
234
2LC0470-6BD
■
■
-0AA0
BUB
6
166
2LC0470-6AT
■
■
-0AA0
© Siemens AG 2015