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3-781-0860 - 3 Jaw, 8", Lg Bore, Power Chuck, A2-6

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3 Jaw, 8", Lg Bore, Power Chuck, A2-6
Workholding/Power Lathe Chucks/Large Bore Precision Power Lathe Chucks & Accessories/3-Jaw Large Bore, A2 Mount
3 Jaw, 8", Lg Bore, Power Chuck, A2-6
Item #: 3-781-0860
3 Jaw, 8" (210 mm) Diameter, A2-6, High Speed, Hydraulic, Power, Lathe Chuck, Large Bore, 2.0472" Through Hole, Drawbar, Max Gripping Force 94(9597) N(kgf), 1.5mm x 60 Serrated Jaw Interface, 11mm to 210mm Jaw Capacity, 5,000 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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Draw Nut, 8" Thread M60x1.50
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Draw Nut, 8" Thread M60x2.0
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Draw Nut for 8" Threaded M72x1.5
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Technical Details




Item Number: 3-781-0860

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Chuck Dia in 8
Spindle Nose A2-6
Thru Hole in(mm) 2.047 (52)
Jaw Stroke in(mm) 0.299 (7.6)
Plunger Stroke in(mm) 0.709 (18)
Gripping Dia Max in(mm) 8.268 (210)
Gripping Dia Min in(mm) 0.433 (11)
Max Permissible Input Force lbf(kgf) 8976 (4080)
Max Gripping Force lbf(kgf) 21113.4 (9597)
Max Speed RPM 5000
Weight lb (kg) 51.92 (23.6)
Moment of Inertia lb*ft2 0.1454
A in(mm) 8.268 (210)
B in(mm) 4.055 (103)
C in(mm) 6.693 (170)
D in(mm) 4.188 (106.375)
E in(mm) 0.669 (17)
F in(mm) 0.197 (5)
G in(mm) 5.906 (150)
H in(mm) 5.252 (133.4)
K in(mm) 6-M12
L in(mm) 0.709 (18)
M 0.984 (25)
N max in(mm) 1.642 (41.7)
N min in(mm) 1.492 (37.9)
O max in(mm) 1.063 (27)
O min in(mm) 0.394 (10)
P max in(mm) 1.319 (33.5)
P min in(mm) 0.61 (15.5)
P min in(mm) 0.295 (7.5)
Q in(mm) 1.535 (39)
J in(mm) 2.047 (52)
R in(mm) 0.551 (14)
S in(mm) 0.807 (20.5)
T in(mm) 0.079 (2)
U max M60x2.0
V 3-M6
W in 2.598 (66)
X in 1.181 (30)
Y in 1.535 (39)
Z in 3.386 (86)
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