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NTH HYDRAULIC CHUCKS

NTH HYDRAULIC CHUCKS

BF 4-JAW THROUGH HOLE POWER CHUCK

4-JAW THROUGH HOLE POWER CHUCK

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Products in detail

Brand：NTH

It’s wedge hook type 4-jaw power chuck with the large through-hole. Suitable for irregular workpiece.

Matching surfaces of all parts are hardened, ground and lubricated directly

Construction of high rigidity and high clamping accuracy and high rotary speed.



Size unit: mm

Spec/Model Plunger stroke
mm 		Jaw stroke Dia.
mm 		Max chucking Dia.
mm

Min chucking Dia

mm

Max.D.B.Pull

kgf
BF-206 A5 12 5.5 169 15 2700
BF-208 A5 16 7.4 210 13 4430
BF-208 A6 16 7.4 210 13 4430
BF-210 A6 19 8.8 254 31 5440
BF-210 A8 19 8.8 254 31 5440
BF-212 A8 23 10.6 304 34 7000
BF-215 A11 23 10.6 381 50 9000
BF-218 A11 23 10.6 450 50 7240
BF-224 A20 26 12 610 150 9177


Spec/ Model Max clamping force
kgf 		Max RPM

Inertia moment

kg*m2

Weight
kg 		Weight(Ad.)
kg 		Matched cylinders
BF-206 A5 7000 6000 0.06 11.5 13.3 H-1246/HK-1246
BF-208 A5 10900 5000 0.19 23.5 25.4 H-1552/HK-1552
BF-208 A6 10900 5000 0.19 23.5 24.3 H-1552/HK-1552
BF-210 A6 14100 4200 0.34 36.3 41 H-1875/HK-1875
BF-210 A8 14100 4200 0.34 36.3 39.3 H-1875/HK-1875
BF-212 A8 18300 3300 0.79 62 65.7 H-2091/HK-2091
BF-215 A11 22900 2500 2.42 123.7 130.7 H-2511/HK-2511
BF-218 A11 18355 1500 3.798 140 151 H-2511/HK-2511
BF-224 A20 23861 1000 15.2 284 299 ML3320


Spec/Model A B B (Ad.) C(H6) D D1 D2 E E1 F Gmax Gmax(Ad.) Gmin Gmin(Ad.) H J
BF-206 A5 169 81 91 140 104.8 82.56 116 5 15 45 11 26 -1 14 19 20
BF-208 A5 210 91 109 170 133.4 82.56 104.8 5 23 52 14.5 37.5 -1.5 21.5 20.5 30
BF-208 A6 210 91 103 170 133.4 106.38 150 5 17 52 14.5 31.5 -1.5 15.5 20.5 30
BF-210 A6 254 100 120 220 171.5 106.38 133.4 5 25 75 8.5 33.5 -10.5 14.5 25 45
BF-210 A8 254 100 113 220 171.5 139.72 190 5 18 75 8.5 26.5 -10.5 7.5 25 45
BF-212 A8 304 110 122 220 171.5 139.72 190 6 18 91 8 26 -15 3 28 50
BF-215 A11 381 133 149 300 235 196.87 260 6 22 117.5 11 33 -12 10 39 60
BF-218 A11 450 133 149 300 235 196.87 260 6 22 117.5 7 29 -16 6 43 -
BF-224 A20 610 134 155 520 463.6 412.78 463.6 6 25 205 16 41 -10 15 38 -


Spec/Model K max L L1 L1(Ad.) M N P Q max Q min R max R min S T U
BF-206 A5 M55×2 4-M10 16 16 37 73 20 32 29.3 22.8 9.3 31 12 3-M6
BF-208 A5 M60×2 4-M12 20 17 38 95 25 38.7 35 29.8 14.8 35 14 6-M10
BF-208 A6 M60×2 4-M12 20 18 38 95 25 38.7 35 29.8 14.8 35 14 3-M6
BF-210 A6 M85×2 4-M16 22 18 43 110 30 51 46.6 33.8 14.3 40 16 6-M12
BF-210 A8 M85×2 4-M16 22 24 43 110 30 51 46.6 33.8 14.3 40 16 3-M8
BF-212 A8 M100×2 4-M18 23 25 51 130 30 61.3 56 45.8 15.8 50 21 3-M9
BF-215 A11 M130×2 4-M20 30 28 66 165 43 82 76.7 46.8 13.8 62 22 4-M10
BF-218 A11 M130×2 4-M20 30 28 66 165 43 82 76.7 79.75 15.25 62 22 3-M10
BF-224 A20 M215×3 8-M24 35 35 73 180 60 139.9 133.9 87.5 24.5 65 25 3-M10


Subject to technology changes without prior information
Non-standard requirements can be made

News

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    Exhibition： Machine Tool and Metal Processing Exhibition 2024 Indonesia Date：From 04 to 07TH Dec, 2024 Venue: Jakarta Convention Center Indonesia Booth：A1-148

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    Exhibition：Japan International Machine Tools Fair 2024 Date：From 05 to 10 Nov, 2024 Venue: Japan Ariake International Convention and Exhibition Center Booth：S3-009

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