Hydraulic Chuck Series

OPBF NEW

Large Through Hole High Speed Power Chuck

Specifications

Unit / mm
MODEL / SPEC. Nose Of Spindle A B C (h6) D E F G H J
OPBF-206 A2-5 170 81 140 82.563 20 5 PCDø104.8 PCDø122 52
OPBF-208 A2-6 215 91 170 106.375 22 5   PCDø133.4 PCDø150 66
OPBF-210 A2-8 256 100 220 139.719 28 5 PCDø171.4 PCDø180 81
MODEL/ SPEC. K M N max. N min. O max. O min. P max. P min. Q R S
OPBF-206 4-M10x1.5P 20 36.35 33.6 21.1 9.1 -5 31 12 23
OPBF-208 4-M12x1.75P 25 46.6 42.9 26.6 11.6 10  -6 35 14 25
OPBF-210 4-M16x2P 30 54.6 50.1 33.1 13.6 8.5  -10.5 40 16 25
MODEL / SPEC. T U V W X Thru-Hole [Diameter] (mm) Plunger Stroke (mm) Jaw Stroke [Diameter] (mm)
OPBF-206 2 M60x2P 20 37.5  73 52 12 5.5
OPBF-208 2 M75x2P 30 39.5 80 66 16 7.4
OPBF-210 2 M90x2P 40 43 110 81 19 8.8
MODEL / SPEC. Max.Speed
r.p.m.(min-1)
Max. Pull Force Max. Gripping Force Max. Hydr.
Pressure
Matching Cylinder Gripping
Range
kgf (KN) kgf (KN) kgf (KN)
OPBF-206 4500 1700 (16.5) 4400 (42.5) 16 (1.5) P1452S ø22~ø170
OPBF-208 3600 2500 (24.5) 6450 (63) 19 (1.8) P1666S ø50~ø215
OPBF-210 3200 3200 (31) 8200 (80) 21.5 (2.1) P1881S ø32~ø254

Dimensions

OPEN