OPB

3-Jaw Large Through Hole High Speed Power Chuck

DIMENSIONS

SPECIFICATIONS

UNIT/mm

Inquiry MODEL / SPEC Thru-Hole
[Diameter]
(mm)
Plunger
Stroke
(mm)
Jaw Stroke
[Diameter]
(mm)
Max.Speed
r.p.m(min-1)
Max.Pull
Force
kgf(kN)
Max.Gripping
Force
kgf(kN)
Max Hydr.
Pressure
kgf/cm2(kN)
Weight
(kg)
Matching
Cylinder
Gripping
Range
OPB-206 52 12 5.5 6000 2200(21.5) 5900(58) 21(2.0) 12.3 P1452S ø13~ø170
OPB-208 66 16 7.4 5000 3400(33) 8800(86) 26(2.5) 21.7 P1666S ø50~ø215
OPB-210 81 19 8.8 4200 4300(42) 11100(109) 29(2.8) 33.6 P1881S ø34~ø254
OPB-212 106 23 10.6 3400 5600(55) 14580(143) 29(2.8) 57.7 P2110S ø50~ø315
OPB-215 142 23 10.6 2500 7240(71) 18250(179) 26(2.5) 122.5 P2916 ø60~ø405
OPB-218 166.5 24.5 11.3 2000 7240(71) 18250(179) 26(2.5) 165 P2916 ø80~ø455
MODEL / SPEC Nose Of
Spindle
A B C
(h6)
D E E1 F G H J K L M
OPB-206 A2-5 170 81 140 82.563 -- 20 5 -- PCDø122 52 6-M10×1.5P -- 20
OPB-208 A2-6 215 91 170 106.375 -- 22 5 -- PCDø150 66 6-M12×1.75P -- 25
OPB-210 A2-8 256 100 220 139.719 -- 28 5 -- PCDø180 81 6-M16×2P -- 30
OPB-212 A2-11 (A2-8) 315 108 300 196.869 22 33 5 260 PCDø235 106 6-M20×2.5P 27 30
OPB-215 A2-15 (A2-11) 405 133 380 285.775 27 41 6 330.2 PCDø330.2 142 6-M24×3P 32 43
OPB-218 A2-15 (A2-11) 455 134 380 285.775 27 41 6 330.2 PCDø330.2 166.5 6-M24×3P 32 43
MODEL / SPEC N
max.
N
min.
O
max.
O
min.
P
max.
P
min.
Q R S T U V W X Y
OPB-206 36.35 33.6 21.1 9.1 7 -5 31 12 23 2 M60×2P 20 37.5 73 104.8
OPB-208 46.6 42.9 26.6 11.6 10 -6 35 14 25 2 M75×2P 30 39.5 80 133.4
OPB-210 54.6 50.1 33.1 13.6 8.5 -10.5 40 16 25 2 M90×2P 40 43 110 171.4
OPB-212 69.7 64.3 45.6 12.6 8 -15 50 21 28 2 M115×2P 50 51 129 171.4
OPB-215 95.1 89.5 43.55 16.55 8 -15 62 22 42.5 5 M155×2P 80 66 165 235
OPB-218 108.29 102.45 55.55 16.55 11.5 -13 62 22 38 5 M180×3P 80 66 165 235