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NB-200A

3-jaw extra large through-hole power chuck (adapter included)

    More large bore: the large bore in wedge type power operated chucks. 20% large bore: approximately 20% higher speed, higher gripping force and larger bore compared with regular chucks. Adapter for A2 spindle(DIN 55026) Easy to mount. Can be equipped with automatic feeder to increase productivity. Can be equipped with back gauge. Replaceable for Japanese brands. The draw nut is customizable.(consult with sales) Standard product 6~10" made of high strength alloy steel SCM440 from Japan Sliding surfaces, master jaws, and interior parts are hardening and grinding.
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NB-200A
Drawings Specifications

Drawings

NB-200A

Specifications

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-306A5Ø52125.42243581218.46000140.06M1552HJ06HC06Ø20~Ø170
NB-306A6Ø52125.42243581218.4600015.60.087M1552HJ06HC06Ø20~Ø170
NB-208A6Ø66167.435589075225000240.14M1768HJ08HC08Ø26~Ø210
NB-210A8Ø78198.843851131927.5420037.40.4M1878HJ10HC10Ø36~Ø256
NB-310A8Ø81198.849761284831.5450036.40.33MK1881HJ10HC10Ø37~Ø254
NB-212A8Ø1222310.658121499020.5320072.21.04M2511SHJ12HC12Ø59~Ø315
NB-212A11Ø1222310.658121499020.53200650.95M2511SHJ12HC12Ø59~Ø315
NB-215A15Ø1422310.672401835525.525001303.0ML2816HJ15HC15Ø60~Ø405
NB-218A15Ø166.52310.672401835525.520001614.77ML2816HJ15HC15Ø78~Ø457
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