OPF - 4-Jaw High Speed Hollow Power Chucks
| Model --> Specification | OPF-206 | OPF-208 | OPF-210 | OPF-212 | OPF-215 | OPF-218 |
| Thru-Hole diameter | 45 | 52 | 75 | 91 | 117.5 | 120 |
| Plunger Stroke (mm) | 12 | 16 | 19 | 23 | 23 | 23 |
| Jaw Stroke diameter | 5.5 | 7.4 | 8.8 | 10.6 | 10.6 | 10.6 |
| Max. Speed rpm (min-1) | 4500 | 3600 | 3200 | 2500 | 1800 | 1500 |
| Max. Pull kgf (KN) | 1630 (16) | 2440 (24) | 3160 (31) | 4080 (40) | 5400 (53) | 5400 (53) |
| Max. Gripping Force kgf (KN) | 4180 (41) | 6010 (59) | 8050 (79) | 10400 (102) | 13600 (134) | 13600 (134) |
| Max Hydr pressure kgf/cm2(Mpa) | 21 (2.1) | 19 (1.9) | 20 (2.0) | 20 (2.0) | 19 (1.9) | 19 (1.9) |
| Weight (kg) | 14.2 | 24.5 | 38.1 | 60.5 | 111.5 | 164.5 |
| Matching Cylinder | P1246 | P1552 | P1875 | P2091 | P2511 | P2511 |
| Gripping range | Ø22~Ø169 | Ø25~Ø210 | Ø28~Ø254 | Ø35~Ø304 | Ø63~Ø381 | Ø80~Ø450 |
Specification
All units: mm
| Model --> Specification | OPF-206 | OPF-208 | OPF-210 | OPF-212 | OPF-215 | OPF-218 |
| Nose of Spindle | A2-5 | A2-6(A2-5) | A2-8(A2-6) | A2-8 | A2-11(A2-8) | A2-11(A2-8) |
| A | 169 | 210 | 254 | 304 | 381 | 450 |
| B | 81 | 91 | 100 | 110 | 133 | 133 |
| C h6 | 140 | 170 | 220 | 220 | 300 | 300 |
| D | 82.563 | 106.375 | 139.719 | 139.719 | 196.869 | 196.869 |
| E | 15 | 17 | 18 | 18 | 22 | 22 |
| E1 | - | 23 | 28 | - | 33 | 33 |
| F | 5 | 5 | 5 | 6 | 6 | 6 |
| G | 116 | 150 | 190 | 190 | 260 | 260 |
| H | 104.8 | 133.4 | 171.4 | 171.4 | 235 | 235 |
| H1 | PCDØ145 | PCDØ180 | PCDØ225 | PCDØ250 | PCDØ324 | PCDØ300 |
| I1 | 4-M10×1.5P | 4-M10×1.5P | 4-M12×1.75P | 4-M12×1.75P | 4-M12×1.75P | 4-M12×1.75P |
| H2 | -- | -- | -- | -- | -- | PCDØ380 |
| I2 | -- | -- | -- | -- | -- | 4-M12×1.75P |
| J | 45 | 52 | 75 | 91 | 117.5 | 120 |
| K | 4-M10×1.5P | 4-M12×1.75P | 4-M16×2P | 4-M16×2P | 4-M20×2.5P | 4-M20×2.5P |
| L | 16 | 18 | 19 | 25 | 28 | 28 |
| M | 20 | 25 | 30 | 30 | 43 | 43 |
| N max. | 32.35 | 39.1 | 51.5 | 61.6 | 82.3 | 83.8 |
| N min | 29.6 | 35.4 | 47.1 | 56.3 | 77 | 78.5 |
| O max. | 24 | 30 | 34 | 46 | 46 | 78 |
| O min. | 7 | 10 | 12 | 12 | 13 | 16.5 |
| P max. | 11 | 14.5 | 8.5 | 8 | 7 | 7 |
| P min. | -1 | -1.5 | -10.5 | -15 | -16 | -16 |
| Q | 31 | 35 | 40 | 50 | 62 | 62 |
| R | 12 | 14 | 16 | 21 | 22 | 22 |
| S | 19 | 20.5 | 25 | 28 | 42.5 | 42.5 |
| T | 2 | 2 | 2 | 2 | 5 | 5 |
| U | M55×2P | M60×2P | M85×2P | M100×2P | M130×2P | M130×2P |
| V | 20 | 30 | 40 | 50 | 48 | 48 |
| W | 37.5 | 39.5 | 43 | 51 | 66.5 | 66.5 |
| X | 73 | 95 | 110 | 129 | 165 | 165 |
| Y | - | 104.8 | 133.4 | - | 171.4 | 171.4 |