BIG BORE ® BB-FZA2G
■ Main dimensions and technical data
INCH SERRATION
b a
H H 1
J
Q
O
H 2
h
* All hoses must be min. 3/4“ I.D.
N
L
P
Subject to technical changes. For more detailed information please ask our customer service.
SMW-AUTOBLOK Type Id. No. Chuck diameter
BB-FZA2G 740-275-A20 BB-FZA2G 800-330-A20 BB-FZA2G 920-390-A20 054159 054300 054228
740 275 740 510
800 330 800 510
920 390 920 550
A B C D
mm mm mm mm mm mm mm mm mm mm mm mm mm inch mm mm mm mm mm mm inch mm mm mm mm mm mm mm mm mm mm deg.
Through-hole
463.6
463.6
463,5
E F
562
615
724
M24
M24
M24
G H
516.5 577.5
516.5 577.5
546.5 607.5
Chuck height
H 1 H 2
512
512
542
7.5
7.5
7.5
J
720 / 6 x M8
780 / 6 x M8
890 / 6 x M8
K
84.5
84.5
86.5
L
Connection for air hoses
G 3/4”
G3/4"
G 3/4”
N O
61
61
61
3x29
3x29
3x31
P
Centering jaws axial stroke
140
140
160
Q
75 62
75 62
75 62
a
a 1
25.5 H7
25.5 H7
25.5 H7
b
3/32" x 90°
3/32" x 90°
3/32" x 90°
c
Jaw mounting bolts Jaw mounting bolts
M20 M16
M20 M16
M20 M16
d
d 1
9
Min. Max.
30
30
30
e
100
100
135
f
30
30
30
f 1
176.6
176.6
190
g h
Serration to face of chuck
19
19
19
260
287.5 232.7
321
r
205.2
270.3
r 1
M20
M20
M24
s
α
15
15
15
Speed max.
900
750
600
r.p.m.
Gripping force compensating jaws at 6 bar Gripping force centering jaws at 6 bar Jaw stroke compensating jaws total
83 (18660) 100 (22481) 38.1 (1 1/2“) 27.2 (1.07“) 10.9 (0.43“) 37.5 (1.48“)
83 (18660) 114 (25628) 38.1 (1 1/2“) 27.2 (1.07“) 10.9 (0.43“) 37.5 (1.48“)
137 (30799) 102 (22930) 38.1 (1 1/2“) 27.2 (1.07“) 10.9 (0.43“) 42.7 (1.68“)
kN (lbf) kN (lbf)
mm (inch) mm (inch) mm (inch) mm (inch)
Rapid stroke
Clamping stroke
Jaw stroke centering jaws max.
Air consumption centering at 6 bar (87psi) max. Air consumption compensating at 6 bar (87psi) max.
92 30
92 30
142
liter liter
54
Weight (without top jaws)
1140 (2513)
1350 (2976)
1850 (4079)
kg (lbs) bar (psi)
Operating pressure min. / max.
2 / 8 (29 / 116)
2 / 8 (29 / 116)
2 / 8 (29 / 116)
Moment of inertia
88
121
230
kg·m²
SMW-AUTOBLOK 383
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