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3-781-2420 - 3 Jaw, 24", Lg Bore, Power Chuck, A2-20

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3 Jaw, 24", Lg Bore, Power Chuck, A2-20
Workholding/Power Lathe Chucks/Large Bore Precision Power Lathe Chucks & Accessories/3-Jaw Large Bore, A2 Mount
3 Jaw, 24", Lg Bore, Power Chuck, A2-20
Item #: 3-781-2420
3 Jaw, 24" (610 mm) Diameter, A2-20, High Speed, Hydraulic, Power, Lathe Chuck, Large Bore, 6.4960” Through Hole, Drawbar, Max Gripping Force 234(23861) N(kgf), 3mm x 60 Serrated Jaw Interface, 110mm to 610mm Jaw Capacity, 1,400 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: 3-781-2420

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Chuck Size in 24
Spindle Nose A2-20
Thru Hole in(mm) 6.496 (165)
Jaw Stroke in(mm) 0.409 (10.4)
Plunger Stroke in(mm) 0.906 (23)
Gripping Dia Max in(mm) 24.016 (610)
Gripping Dia Min in(mm) 4.331 (110)
Max Permissible Input Force lbf(kgf) 20189.4 (9177)
Max Gripping Force lbf(kgf) 52494.2 (23861)
Max Speed RPM 1400
Weight lb (kg) 668.8 (304)
Moment of Inertia lb*ft2 13.5998
A in(mm) 24.016 (610)
B in(mm) 6.693 (170)
C in(mm) 14.961 (380)
D in(mm) 16.251 (412.775)
E in(mm) 1.063 (27)
F in(mm) 0.236 (6)
G in(mm) 13 (330.2)
H in(mm) 13 (330.2)
J in(mm) 6.496 (165)
K 6 - M22
L in(mm) 1.378 (35)
M in(mm) 2.362 (60)
N max in(mm) 4.268 (108.4)
N min in(mm) 4.063 (103.2)
O max in(mm) 4.626 (117.5)
O min in(mm) 0.846 (21.5)
P max in(mm) 1.85 (47)
P min in(mm) 0.945 (24)
Q in(mm) 2.559 (65)
R in(mm) 0.984 (25)
S in(mm) 1.575 (40)
T in(mm) 0.197 (5)
U max M175x3.0
V 3-M12
W in 7.362 (187)
X in 3.15 (80)
Y in 2.874 (73)
Z in 7.087 (180)
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