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3-761-1808 - 3 Jaw, 18", Closed C, Power Chuck, A2-8

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3 Jaw, 18", Closed C, Power Chuck, A2-8
Workholding/Power Lathe Chucks/Closed Center Precision Power Lathe Chucks/3-Jaw Closed Center, A2 Mount
3 Jaw, 18", Closed C, Power Chuck, A2-8
Item #: 3-761-1808
3 Jaw, 18" (450 mm) Diameter, A2-8, High Speed, Hydraulic, Power, Lathe Chuck, Closed Center, Drawbar, Max Gripping Force 248(35391)N(kgf), 3mm x 60 Serrated Jaw Interface, 140mm to 450mm Jaw Capacity, 2,710 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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Technical Details


Item Number: 3-761-1808

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Dimension+Drawing Dimension Drawing
Chuck Size 18
Spindle Nose A2-8
Jaw Stroke in 0.7323
Plunger Stroke in 1.3780
Gripping Dia Max in 17.9921
Gripping Dia Min in 2.3622
Max Permissible Input Force lbf 16399
Max Static Gripping Force lbf 32797
Max Permissible Speed RPM 1700
Weight lb 291
Moment of Inertia lb*ft2 2.8265
A in 17.9921
B in 4.9213
C in 8.8583
D in 5.5006
E in 0.7874
F in 0.9531
G in 3.3750
H in 6.7500
J in 0.3150
K (ANSI) 5/8-11 UNC
K (JIS) 6-M16
L (ANSI) in 0.9449
L (JIS) in 0.8858
N max in 2.9331
N min in 2.5669
O max in 3.5630
O min in 0.8465
P max in 1.3780
P min in 0.0000
S in 1.9685
T in 6.8898
U M27x3.0
V in 4.7244
X in 2.4803
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