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3-771-1211 - 3 Jaw, 12", XL Bore, Power Chuck, A2-11

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3 Jaw, 12", XL Bore, Power Chuck, A2-11
Workholding/Power Lathe Chucks/Extra Large Bore Precision Power Lathe Chucks & Accessories/3-Jaw Extra Large Bore, A2 Mount
3 Jaw, 12", XL Bore, Power Chuck, A2-11
Item #: 3-771-1211
3 Jaw, 12" (315 mm) Diameter, A2-11, High Speed, Hydraulic, Power, Lathe Chuck, Large Bore, 4.0051” Through Hole, Drawbar, Max Gripping Force 145(15000) N(kgf), 1.5mm x 60 Serrated Jaw Interface, 45mm to 315mm Jaw Capacity, 3,000 RPM, Steel Body.
The chuck includes one Blank Draw Nut. TMX offers a Draw Nut Threading Service to machine the Blank Nut to fit your machine specifications.

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Item Number: 3-771-1211

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Chuck Size in 12
Spindle Nose A2-11
Thru Hole J in(mm) 4.055 (103)
Jaw Stroke in(mm) 0.402 (10.2)
Plunger Stroke in(mm) 0.945 (24)
Gripping Dia Max in(mm) 12.402 (315)
Gripping Dia Min in(mm) 1.772 (45)
Max Permissible Input Force lbf(kgf) 12342 (5610)
Max Gripping Force lbf(kgf) 33000 (15000)
Max Speed RPM 3000
Weight lb (kg) 121 (55)
Moment of Inertia lb*ft2 0.6042
A in(mm) 12.402 (315)
B in(mm) 4.961 (126)
C in(mm) 11.811 (300)
D in(mm) 7.751 (196.869)
E in(mm) 1.339 (34)
F in(mm) 0.236 (6)
G in(mm) 10.236 (260)
H in(mm) 9.252 (235)
J in(mm) 4.055 (103)
K 6 x M20
L in(mm) 1.102 (28)
M in(mm) 1.181 (30)
N max in(mm) 2.702 (68.64)
N min in(mm) 2.502 (63.54)
O max in(mm) 1.772 (45)
O min in(mm) 0.541 (13.75)
P max in(mm) 1.181 (30)
P min in(mm) 0.236 (6)
Q in(mm) 1.929 (49)
R in(mm) 0.827 (21)
S in(mm) 1.181 (30)
T in(mm) 0.098 (2.5)
U max 0
V 3 - M10
W in 4.882 (124)
X in 2.598 (66)
Y in 2.02 (51.3)
Z in 4.37 (111)
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