NT-D NT-M
High precision power chuck Ø 170 - 400 mm ■ Centrifugal force compensation ■ Closed center ■ 3 jaws ■ proofline ® chucks = fully sealed - low maintenance
INCH SERRATION
METRIC SERRATION
1
Ø 260-A6 Indirect mounting
k 1
Ø170
W S 6
0 p 1
Q
Z
a
p 2
p 3
p 4
r 1
d
p 5
serration
r 2
p 6
p 7
p 8
r 3
Y F
t
ISO-A Direct mounting
s
Y A
L
q 1
H F
q 2 Subject to technical changes. For more detailed information please ask our customer service.
H A
SMW-AUTOBLOK Type
NT-D 170 NT-M 170 NT-D 400 NT-M 400 Z140 A5 Z170 A6 Z220 A6 A8 Z220 A8 Z300 A11 NT-D 215 NT-M 215 NT-D 260 NT-M 260 NT-D 315 NT-M 315
Mounting
A
mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm inch mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm
172
216
262
315
390
B F /B A H6
140 82.563 170 106.375 220 106.375 139.719 220 139.719 300 196.869
C
104.8
133.4
171.4
-
171.4
171.4
235
C A
-
-
-
-
-
133.4
-
-
-
-
-
D
11.5
13.5
17
13.5
17
17 48
21 75
E
32
42
48
F 2
M24 x 2
M32 x 1.5
M38 x 1.5
M38 x 1.5
M60 x 1.5
G H8
25
33
39
39
61
H F /H A
92
102
104
116
118
137
132
125
139
149
164
K
18.5
20 52
25 58
25 58
48 74
L
43
M
M10 x 1
M22 x 1.5
M28 x 1.5
M28 x 1.5
M52 x 1.5
N H9
15
24
34
34
60
Q
4.5
5.5
5.5
5.5
9
R 1
86.5
108
131
157.5
195
Chuck open Max. / min.
S T
20 / 3
19 / -3
22 / -2
20 / -10
33 / 0
175
220
-
-
-
Chuck fully closed Radial jaw stroke
U
3.6
4.6
5
6.3
7
W
22
26
26 24
26
38
Y F /Y A
5
15
5
17
5
19
5
19
6
21
Z a b
17 / 0
22 / 0
24 / 0
30 / 0
33 / 0
Max. / min.
3
3
3
3
3
8.5
12 13
14 14
16.5
31 38
Min. Min.
c
9
16
NT-D NT-M
d d e
1/16” x 90°
1/16” x 90°
1/16” x 90°
1/16” x 90°
3/32” x 90° (1)
serration serration
1.5 x 60°
1.5 x 60°
1.5 x 60°
1.5 x 60°
1.5 x 60°
67
82
102
123
144
f
3
3
3
3
6
g
2.5
2.5
2.5
3.5
3.5
j
34 10
46 11 23 25
48 12 30 30
58 12 30 30
63 14 38 38
k 1
NT-D NT-M
l 1 l 1 l 2
16.5
20
43 / 24
53 / 33
70 / 41
84 / 43
98 / 54
NT-D NT-M NT-D NT-M
m m
M10 M10
M12 M12
M12 M12
M16 M16
M20 M20 25.5
n n
14 12 16
17 14 16
17 16 21
21 21 21 60
22
p 1 p 2 p 3 p 4 p 5 p 6 p 7 p 8 q 1 q 2
37.5
-
-
-
80 83
38
49 80 80
55 70
62.5
-
80
110 140 155 170 170
65 70
102 102
102 120 135
- - - -
- - -
- - -
-
30 60
36 80
36
45
60
r 1 r 2 r 3
M5 / 7 M6 / 14 M8 / 17
M5 / 8 M8 / 17 M8 / 17
M6 / 10 M8 / 17 M10 / 19
M6 / 10 M8 / 17 M10 / 19
M6 / 12 M10 / 19 M12 / 22
s t
16
16
16
16
20
5
5
5
5
5
(1) Serration 1/16 x 90° on request.
SMW-AUTOBLOK 73
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