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NTH HYDRAULIC CHUCKS

BB 3-JAW EXTRA THROUGH HOLE POWER CHUCK

3-JAW EXTRA THROUGH HOLE POWER CHUCK

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Products in detail

Brand：NTH

It‵s  a wedge hook type 3-jaw power chuck with the extra large through-hole.

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
BB-206 A5 12 5.5 170 18 2250
BB-208 A5 16 7.4 210 23 4020
BB-208 A6 16 7.4 210 23 4020
BB-210 A6 19 8.8 254 34 5010
BB-210 A8 19 8.8 254 34 5010
BB-212 A8 23 10.6 315 47 6000
BB-215 A15 23 10.6 405 60 7240
BB-218 A15 23 10.6 457 75 7240


Spec/Model Max clamping force
kgf 		Max RPM Inertia moment
kg*m2 		Weight
kg 		Weight(Ad.)
kg 		Matched cylinders
BB-206 A5 5800 5300 0.06 11 12.8 H-1552/HK-1552
BB-208 A5 8550 4600 0.15 23 25.5 H-1868/HK-1868
BB-208 A6 8550 4600 0.15 23 24.1 H-1868/HK-1868
BB-210 A6 11300 4000 0.32 34 41 H-1878/HK-1878
BB-210 A8 11300 4000 0.32 34 39.5 H-1878/HK-1878
BB-212 A8 15600 3500 0.73 51 58 H-2511/HK-2511
BB-215 A15 18350 2500 2.3 127.4 138.8 HK-2114
BB-218 A15

18355

2000 4.77 161 172 ML2816


Spec/Model
A B B (Ad.) C(H6) D D1 D2 E E1 F Gmax Gmax(Ad.) Gmin Gmin(Ad.) H J
BB-206 A5 170 81 91 140 104.8 82.56 116 5 15 52 11 26 -1 14 19 20
BB-208 A5 220 91 109 170 133.4 83.56 104.8 6 23 66 14.5 37.5 -1.5 21.5 20.5 30
BB-208 A6 220 91 103 170 133.4 106.38 150 7 17 66 14.5 31.5 -0.5 15.5 20.5 30
BB-210 A6 266 100 120 220 171.5 107.38 133.4 8 25 86 8.5 33.5 -10.5 14.5 25 45
BB-210 A8 266 100 113 221 235 139.72 190 9 18 86 8.5 26.5 -9.5 7.5 25 45
BB-212 A8 320 110 126 300 235 196.8 260 6 33 120 8 30 -15 15 28 50
BB-215 A15 405 133 154 380 330.2 285.78 330.2 7 22 141 11 38 -12 22 39 60
BB-218 A15 457 133 154 380 330.2 285.78 330.2 6 27 166.5 34 61 11 38 38 -


Spec/Model K max L L1 L1(Ad.) M N P Q max Q min R max R min S T U
BB-206 A5 M60×2 6-M10 16 16 37 73 20 35.5 32.8 22.8 9.3 31 12 3-M6
BB-208 A5 M75×2 6-M12 20 17 38 95 25 45.7 42 23.8 11.3 35 14 6-M10
BB-208 A6 M75×2 6-M12 20 18 38 95 25 45.7 42 23.8 11.3 35 14 3-M6
BB-210 A6 M95×2 6-M16 22 19 43 110 30 52 47.6 32.3 14.3 40 16 6-M12
BB-210 A8 M95×2 6-M16 22 24 43 110 31 52 47.6 32.3 14.3 40 16 3-M8
BB-212 A8 M130×2 6-M20 30 28 51 130 32 74.2 63.5 45.75 15.75 50 21 3-M10
BB-215 A15 M155×2 6-M24 35 38 63 165 43 93.5 85.7 43.75 18.25 62 22 3-M12
BB-218 A15 M180×3 6-M24 30 33 66 165 43 96.7 85.2 79.2 18.25 62 22 3-M12

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

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