1. More large bore: having the largest bore in wede type power operated chucks.
2. 20% large bore: approximately 20% higher speed, higher gripping force and larger bore compared with usual chucks.
3. Model N-200A chucks are assembled with adaptor for ASA B5.9 type A spindles.
4. Model N-200A chuck are manufactured from high grade alloy steel, All sliding surfaces are hardened and groung for accurate actual running and long service repeatability.
SPEC Model | Through -Hole (mm) | Plunger Stroke (mm) | Jaw Stroke (In Dia.) (mm) | Max. Pull Force (kgf) | Max. Gripping Force (kgf) | Max. Operating Pressure (kgf / cm2) | Max. Speed (r.p.m.) | Weight (kg) | Moment Of Inertia I (kg‧m2 ) | Matching Cylinder | Matching Hard Jaw | Matching Soft Jaw | Gripping O.D. Range (mm) |
NB-306A5 | Ø52 | 12 | 5.4 | 2243 | 5812 | 18.4 | 6000 | 14 | 0.06 | M1552 | HJ06 | HC06 | Ø16-Ø170 |
NB-208A6 | Ø66 | 16 | 7.4 | 3558 | 9075 | 20.5 | 5000 | 24 | 0.14 | M1868 | HJ08 | HC08 | Ø20-Ø210 |
NB-210A8 | Ø78 | 19 | 8.8 | 4385 | 11319 | 27.5 | 4200 | 37.4 | 0.4 | M1878 | HJ10 | HC10 | Ø25-Ø254 |
NB-212A11 | Ø122 | 23 | 10.6 | 5812 | 14990 | 20.5 | 3200 | 65 | 0.95 | M2511 | HJ12 | HC12 | Ø41-Ø315 |
NB-215A15 | Ø142 | 23 | 10.6 | 7240 | 18355 | 25.5 | 2500 | 130 | 3.0 | M2816 | HJ15 | HC15 | Ø60-Ø405 |
NB-218A15 | Ø166.5 | 23 | 10.6 | 7240 | 18355 | 25.5 | 2000 | 161 | 4.77 | M2816 | HJ15 | HC15 | Ø75-Ø457 |