Brand：NTH
It’s
wedge hook type 4-jaw power chuck with the large through-hole. Suitable for irregular
workpiece.
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
|
|
BF-206 A5
|
12
|
5.5
|
169
|
15
|
2700
|
|
BF-208 A5
|
16
|
7.4
|
210
|
13
|
4430
|
|
BF-208 A6
|
16
|
7.4
|
210
|
13
|
4430
|
|
BF-210 A6
|
19
|
8.8
|
254
|
31
|
5440
|
|
BF-210 A8
|
19
|
8.8
|
254
|
31
|
5440
|
|
BF-212 A8
|
23
|
10.6
|
304
|
34
|
7000
|
|
BF-215 A11
|
23
|
10.6
|
381
|
50
|
9000
|
|
BF-218 A11
|
23
|
10.6
|
450
|
50
|
7240
|
|
BF-224 A20
|
26
|
12
|
610
|
150
|
9177
|
|
Spec/ Model
|
Max clamping force
kgf
|
Max RPM
|
Inertia moment
kg*m2
|
Weight
kg
|
Weight(Ad.)
kg
|
Matched cylinders
|
|
BF-206 A5
|
7000
|
6000
|
0.06
|
11.5
|
13.3
|
H-1246/HK-1246
|
|
BF-208 A5
|
10900
|
5000
|
0.19
|
23.5
|
25.4
|
H-1552/HK-1552
|
|
BF-208 A6
|
10900
|
5000
|
0.19
|
23.5
|
24.3
|
H-1552/HK-1552
|
|
BF-210 A6
|
14100
|
4200
|
0.34
|
36.3
|
41
|
H-1875/HK-1875
|
|
BF-210 A8
|
14100
|
4200
|
0.34
|
36.3
|
39.3
|
H-1875/HK-1875
|
|
BF-212 A8
|
18300
|
3300
|
0.79
|
62
|
65.7
|
H-2091/HK-2091
|
|
BF-215 A11
|
22900
|
2500
|
2.42
|
123.7
|
130.7
|
H-2511/HK-2511
|
|
BF-218 A11
|
18355
|
1500
|
3.798
|
140
|
151
|
H-2511/HK-2511
|
|
BF-224 A20
|
23861
|
1000
|
15.2
|
284
|
299
|
ML3320
|
|
Spec/Model
|
A
|
B
|
B (Ad.)
|
C(H6)
|
D
|
D1
|
D2
|
E
|
E1
|
F
|
Gmax
|
Gmax(Ad.)
|
Gmin
|
Gmin(Ad.)
|
H
|
J
|
|
BF-206 A5
|
169
|
81
|
91
|
140
|
104.8
|
82.56
|
116
|
5
|
15
|
45
|
11
|
26
|
-1
|
14
|
19
|
20
|
|
BF-208 A5
|
210
|
91
|
109
|
170
|
133.4
|
82.56
|
104.8
|
5
|
23
|
52
|
14.5
|
37.5
|
-1.5
|
21.5
|
20.5
|
30
|
|
BF-208 A6
|
210
|
91
|
103
|
170
|
133.4
|
106.38
|
150
|
5
|
17
|
52
|
14.5
|
31.5
|
-1.5
|
15.5
|
20.5
|
30
|
|
BF-210 A6
|
254
|
100
|
120
|
220
|
171.5
|
106.38
|
133.4
|
5
|
25
|
75
|
8.5
|
33.5
|
-10.5
|
14.5
|
25
|
45
|
|
BF-210 A8
|
254
|
100
|
113
|
220
|
171.5
|
139.72
|
190
|
5
|
18
|
75
|
8.5
|
26.5
|
-10.5
|
7.5
|
25
|
45
|
|
BF-212 A8
|
304
|
110
|
122
|
220
|
171.5
|
139.72
|
190
|
6
|
18
|
91
|
8
|
26
|
-15
|
3
|
28
|
50
|
|
BF-215 A11
|
381
|
133
|
149
|
300
|
235
|
196.87
|
260
|
6
|
22
|
117.5
|
11
|
33
|
-12
|
10
|
39
|
60
|
|
BF-218 A11
|
450
|
133
|
149
|
300
|
235
|
196.87
|
260
|
6
|
22
|
117.5
|
7
|
29
|
-16
|
6
|
43
|
-
|
|
BF-224 A20
|
610
|
134
|
155
|
520
|
463.6
|
412.78
|
463.6
|
6
|
25
|
205
|
16
|
41
|
-10
|
15
|
38
|
-
|
|
Spec/Model
|
K max
|
L
|
L1
|
L1(Ad.)
|
M
|
N
|
P
|
Q max
|
Q min
|
R max
|
R min
|
S
|
T
|
U
|
|
BF-206 A5
|
M55×2
|
4-M10
|
16
|
16
|
37
|
73
|
20
|
32
|
29.3
|
22.8
|
9.3
|
31
|
12
|
3-M6
|
|
BF-208 A5
|
M60×2
|
4-M12
|
20
|
17
|
38
|
95
|
25
|
38.7
|
35
|
29.8
|
14.8
|
35
|
14
|
6-M10
|
|
BF-208 A6
|
M60×2
|
4-M12
|
20
|
18
|
38
|
95
|
25
|
38.7
|
35
|
29.8
|
14.8
|
35
|
14
|
3-M6
|
|
BF-210 A6
|
M85×2
|
4-M16
|
22
|
18
|
43
|
110
|
30
|
51
|
46.6
|
33.8
|
14.3
|
40
|
16
|
6-M12
|
|
BF-210 A8
|
M85×2
|
4-M16
|
22
|
24
|
43
|
110
|
30
|
51
|
46.6
|
33.8
|
14.3
|
40
|
16
|
3-M8
|
|
BF-212 A8
|
M100×2
|
4-M18
|
23
|
25
|
51
|
130
|
30
|
61.3
|
56
|
45.8
|
15.8
|
50
|
21
|
3-M9
|
|
BF-215 A11
|
M130×2
|
4-M20
|
30
|
28
|
66
|
165
|
43
|
82
|
76.7
|
46.8
|
13.8
|
62
|
22
|
4-M10
|
|
BF-218 A11
|
M130×2
|
4-M20
|
30
|
28
|
66
|
165
|
43
|
82
|
76.7
|
79.75
|
15.25
|
62
|
22
|
3-M10
|
|
BF-224 A20
|
M215×3
|
8-M24
|
35
|
35
|
73
|
180
|
60
|
139.9
|
133.9
|
87.5
|
24.5
|
65
|
25
|
3-M10
|
Subject to technology changes without prior information
Non-standard requirements can be made
