3-781-2115 - 3 Jaw, 21", Lg Bore, Power Chuck, A2-15

WorkholdingPower Lathe ChucksLarge Bore Precision Power Lathe Chucks & Accessories3-Jaw Large Bore, A2 Mount

3 Jaw, 21", Lg Bore, Power Chuck, A2-15

Item #: 3-781-2115

3 Jaw, 21" (530 mm) Diameter, A2-15, High Speed, Hydraulic, Power, Lathe Chuck, Large Bore, 5.5118” Through Hole, Drawbar, Max Gripping Force 234(23861) N(kgf), 3mm x 60 Serrated Jaw Interface, 84mm to 530mm Jaw Capacity, 1,700 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.

Please Log In

Check availability UOM : EA

Qty:

View Accessories and Parts

3-788-321

Soft Top Jaws, 21in, 3-Jaw, 3 Pc Set

3-787-321

Hard Top Jaws, 21&24in, 3-Jaw, 3 Pc Set

3-789-2101

Drawnut, 21" Blank

3-789-2113

Draw Nut for 21" Threaded M130x2.0

Technical Details

Item Number: 3-781-2115

Print this page

Chuck Size	in	21
Spindle Nose		A2-15
Thru Hole	in(mm)	5.512 (140)
Jaw Stroke	in(mm)	0.417 (10.6)
Plunger Stroke	in(mm)	0.906 (23)
Gripping Dia Max	in(mm)	20.866 (530)
Gripping Dia Min	in(mm)	3.307 (84)
Max Permissible Input Force	lbf(kgf)	20189.4 (9177)
Max Gripping Force	lbf(kgf)	52494.2 (23861)
Max Speed	RPM	1700
Weight	lb (kg)	541.2 (246)
Moment of Inertia	lb*ft²	7.5782

A	in(mm)	20.866 (530)
B	in(mm)	6.339 (161)
C	in(mm)	14.961 (380)
D	in(mm)	11.251 (285.775)
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)	5.512 (140)
K		6 - M22
L	in(mm)	1.339 (34)
M	in(mm)	2.362 (60)
N max	in(mm)	3.878 (98.5)
N min	in(mm)	3.669 (93.2)
O max	in(mm)	3.445 (87.5)
O min	in(mm)	0.846 (21.5)
P max	in(mm)	1.496 (38)
P min	in(mm)	0.591 (15)
Q	in(mm)	2.559 (65)
R	in(mm)	0.984 (25)
S	in(mm)	1.535 (39)
T	in(mm)	0.197 (5)
U max		M155x3.0
V		3-M12
W	in	6.535 (166)
X	in	3.15 (80)
Y	in	2.874 (73)
Z	in	7.087 (180)

View Purchase History

3-781-2115 - 3 Jaw, 21", Lg Bore, Power Chuck, A2-15

View Accessories and Parts

Technical Details

Item Number: 3-781-2115

About Toolmex