NB-200 Series 3 Jaw Extra Large Bore Chucks
1.5mm x 60° Serrations Power Chucks
FEATURES:
- Extra large bore
- Higher speed, gripping force and larger bore compared to other chucks
- Includes adapter plate
- Manufactured from high grade alloy steel
- All sliding surfaces are hardened and ground for accuracy and repeatability
- Chucks include all mounting hardware
- Additional charge for threaded drawnut
| Chuck Size | Chuck Model | Chuck Dia. | Thru-hole Dia. | Mount | Part Number | Price Each | Chuck Cross Reference |
| 6” | NB-206 | 6.654” | 2.047” | A2-5 | K-206A05-NB-B | $1,925.25 | BB206, MH-206 |
| 8” | NB-208 | 8.268” | 2.598” | A2-6 | K-208A06-NB-B | $2,375.75 | BB208, MH-208 |
| 10” | NB-210 | 10.000” | 3.070” | A2-8 | K-210A08-NB-B | $2,726.70 | BB210, MH-210 |
| 12” | NB-212 | 11.969” | 4.803” | A2-8 | K-212A08-NB-B | $3,944.00 | BB212, MH-212 |
| Model | Thru-hole (mm) | Plunger Stroke (mm) | Jaw Stroke (mm) | Max. Draw Bar Pull (kgf) | Max Gripping Force (kgf) | Max. Operating Pressure (kgf/cm) | Max Speed (RPM) | Matching Cylinder | A | B | C | D | E | J | L | M |
| NB-206A05 | 52 | 12 | 5.4 | 2200 | 5700 | 18.4 | 6000 | M1552 | 170 | 97 | 140 | 20 | 22 | 16 | 52 | 5 |
| NB-208A06 | 66 | 16 | 7.4 | 3500 | 8973 | 20.5 | 4600 | M1868 | 210 | 103 | 170 | 25 | 17 | 19.5 | 66 | 5 |
| NB-210A08 | 78 | 19 | 8.8 | 4300 | 11000 | 27.5 | 4200 | M1878 | 254 | 113 | 220 | 30 | 18 | 24 | 78 | 5 |
| NB-212A11 | 122 | 23 | 10.6 | 5800 | 15000 | 20.5 | 3200 | M2511 | 315 | 134 | 300 | 30 | 22 | 28 | 122 | 5 |