Brand：NTH
It‵s
a wedge hook type 3-jaw power chuck with the extra large through-hole.
Matching surfaces of all parts are hardened, ground and lubricated
directly
Construction of high rigidity and high clamping accuracy and
high rotary speed.
Size unit: mm
|
Spec/Model
|
Plunger stroke
mm
|
Jaw stroke Dia.
mm
|
Max chucking Dia.
mm
|
Min chucking Dia.
mm
|
Max.D.B.Pull
kgf
|
|
BB-206 A5
|
12
|
5.5
|
170
|
18
|
2250
|
|
BB-208 A5
|
16
|
7.4
|
210
|
23
|
4020
|
|
BB-208 A6
|
16
|
7.4
|
210
|
23
|
4020
|
|
BB-210 A6
|
19
|
8.8
|
254
|
34
|
5010
|
|
BB-210 A8
|
19
|
8.8
|
254
|
34
|
5010
|
|
BB-212 A8
|
23
|
10.6
|
315
|
47
|
6000
|
|
BB-215 A15
|
23
|
10.6
|
405
|
60
|
7240
|
|
BB-218 A15
|
23
|
10.6
|
457
|
75
|
7240
|
|
Spec/Model
|
Max clamping force
kgf
|
Max RPM
|
Inertia moment
kg*m2
|
Weight
kg
|
Weight(Ad.)
kg
|
Matched cylinders
|
|
BB-206 A5
|
5800
|
5300
|
0.06
|
11
|
12.8
|
H-1552/HK-1552
|
|
BB-208 A5
|
8550
|
4600
|
0.15
|
23
|
25.5
|
H-1868/HK-1868
|
|
BB-208 A6
|
8550
|
4600
|
0.15
|
23
|
24.1
|
H-1868/HK-1868
|
|
BB-210 A6
|
11300
|
4000
|
0.32
|
34
|
41
|
H-1878/HK-1878
|
|
BB-210 A8
|
11300
|
4000
|
0.32
|
34
|
39.5
|
H-1878/HK-1878
|
|
BB-212 A8
|
15600
|
3500
|
0.73
|
51
|
58
|
H-2511/HK-2511
|
|
BB-215 A15
|
18350
|
2500
|
2.3
|
127.4
|
138.8
|
HK-2114
|
|
BB-218 A15
|
18355
|
2000
|
4.77
|
161
|
172
|
ML2816
|
|
Spec/Model
|
A
|
B
|
B (Ad.)
|
C(H6)
|
D
|
D1
|
D2
|
E
|
E1
|
F
|
Gmax
|
Gmax(Ad.)
|
Gmin
|
Gmin(Ad.)
|
H
|
J
|
|
BB-206 A5
|
170
|
81
|
91
|
140
|
104.8
|
82.56
|
116
|
5
|
15
|
52
|
11
|
26
|
-1
|
14
|
19
|
20
|
|
BB-208 A5
|
220
|
91
|
109
|
170
|
133.4
|
83.56
|
104.8
|
6
|
23
|
66
|
14.5
|
37.5
|
-1.5
|
21.5
|
20.5
|
30
|
|
BB-208 A6
|
220
|
91
|
103
|
170
|
133.4
|
106.38
|
150
|
7
|
17
|
66
|
14.5
|
31.5
|
-0.5
|
15.5
|
20.5
|
30
|
|
BB-210 A6
|
266
|
100
|
120
|
220
|
171.5
|
107.38
|
133.4
|
8
|
25
|
86
|
8.5
|
33.5
|
-10.5
|
14.5
|
25
|
45
|
|
BB-210 A8
|
266
|
100
|
113
|
221
|
235
|
139.72
|
190
|
9
|
18
|
86
|
8.5
|
26.5
|
-9.5
|
7.5
|
25
|
45
|
|
BB-212 A8
|
320
|
110
|
126
|
300
|
235
|
196.8
|
260
|
6
|
33
|
120
|
8
|
30
|
-15
|
15
|
28
|
50
|
|
BB-215 A15
|
405
|
133
|
154
|
380
|
330.2
|
285.78
|
330.2
|
7
|
22
|
141
|
11
|
38
|
-12
|
22
|
39
|
60
|
|
BB-218 A15
|
457
|
133
|
154
|
380
|
330.2
|
285.78
|
330.2
|
6
|
27
|
166.5
|
34
|
61
|
11
|
38
|
38
|
-
|
|
Spec/Model
|
K max
|
L
|
L1
|
L1(Ad.)
|
M
|
N
|
P
|
Q max
|
Q min
|
R max
|
R min
|
S
|
T
|
U
|
|
BB-206 A5
|
M60×2
|
6-M10
|
16
|
16
|
37
|
73
|
20
|
35.5
|
32.8
|
22.8
|
9.3
|
31
|
12
|
3-M6
|
|
BB-208 A5
|
M75×2
|
6-M12
|
20
|
17
|
38
|
95
|
25
|
45.7
|
42
|
23.8
|
11.3
|
35
|
14
|
6-M10
|
|
BB-208 A6
|
M75×2
|
6-M12
|
20
|
18
|
38
|
95
|
25
|
45.7
|
42
|
23.8
|
11.3
|
35
|
14
|
3-M6
|
|
BB-210 A6
|
M95×2
|
6-M16
|
22
|
19
|
43
|
110
|
30
|
52
|
47.6
|
32.3
|
14.3
|
40
|
16
|
6-M12
|
|
BB-210 A8
|
M95×2
|
6-M16
|
22
|
24
|
43
|
110
|
31
|
52
|
47.6
|
32.3
|
14.3
|
40
|
16
|
3-M8
|
|
BB-212 A8
|
M130×2
|
6-M20
|
30
|
28
|
51
|
130
|
32
|
74.2
|
63.5
|
45.75
|
15.75
|
50
|
21
|
3-M10
|
|
BB-215 A15
|
M155×2
|
6-M24
|
35
|
38
|
63
|
165
|
43
|
93.5
|
85.7
|
43.75
|
18.25
|
62
|
22
|
3-M12
|
|
BB-218 A15
|
M180×3
|
6-M24
|
30
|
33
|
66
|
165
|
43
|
96.7
|
85.2
|
79.2
|
18.25
|
62
|
22
|
3-M12
|
Subject to technology changes without prior information
Non-standard requirements can be made
