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 A11
				 | 
				
					23
				 | 
				
					10.6
				 | 
				
					315
				 | 
				
					47
				 | 
				
					6000
				 | 
			
			
				| 
					BB-212(128) A11
				 | 
				
					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 A11
				 | 
				
					15600
				 | 
				
					3500
				 | 
				
					0.73
				 | 
				
					51
				 | 
				
					58
				 | 
				
					H-2511/HK-2511
				 | 
			
			
				| 
					BB-212(128) A11
				 | 
				
					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
				 | 
				
					5
				 | 
				
					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
				 | 
				
					5
				 | 
				
					17
				 | 
				
					66
				 | 
				
					14.5
				 | 
				
					31.5
				 | 
				
					-1.5
				 | 
				
					15.5
				 | 
				
					20.5
				 | 
				
					30
				 | 
			
			
				| 
					BB-210 A6
				 | 
				
					266
				 | 
				
					100
				 | 
				
					120
				 | 
				
					220
				 | 
				
					171.5
				 | 
				
					107.38
				 | 
				
					133.4
				 | 
				
					5
				 | 
				
					25
				 | 
				
					86
				 | 
				
					8.5
				 | 
				
					33.5
				 | 
				
					-10.5
				 | 
				
					14.5
				 | 
				
					25
				 | 
				
					45
				 | 
			
			
				| 
					BB-210 A8
				 | 
				
					266
				 | 
				
					100
				 | 
				
					113
				 | 
				
					220
				 | 
				
					171.5
				 | 
				
					139.72
				 | 
				
					190
				 | 
				
					5
				 | 
				
					18
				 | 
				
					86
				 | 
				
					8.5
				 | 
				
					26.5
				 | 
				
					-10.5
				 | 
				
					7.5
				 | 
				
					25
				 | 
				
					45
				 | 
			
			
				| 
					BB-212 A11
				 | 
				
					320
				 | 
				
					110
				 | 
				
					126
				 | 
				
					300
				 | 
				
					235
				 | 
				
					196.8
				 | 
				
					260
				 | 
				
					6
				 | 
				
					22
				 | 
				
					120
				 | 
				
					8
				 | 
				
					30
				 | 
				
					-15
				 | 
				
					15
				 | 
				
					28
				 | 
				
					50
				 | 
			
			
				| 
					BB-212(128) A11
				 | 
				
					320
				 | 
				
					110
				 | 
				
					126
				 | 
				
					300
				 | 
				
					235
				 | 
				
					196.8
				 | 
				
					260
				 | 
				
					6
				 | 
				
					22
				 | 
				
					128
				 | 
				
					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
				 | 
				
					Kmax
				 | 
				
					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
				 | 
				
					30
				 | 
				
					52
				 | 
				
					47.6
				 | 
				
					32.3
				 | 
				
					14.3
				 | 
				
					40
				 | 
				
					16
				 | 
				
					3-M8
				 | 
			
			
				| 
					BB-212 A11
				 | 
				
					M130×2
				 | 
				
					6-M20
				 | 
				
					30
				 | 
				
					28
				 | 
				
					51
				 | 
				
					130
				 | 
				
					30
				 | 
				
					74.2
				 | 
				
					63.5
				 | 
				
					45.75
				 | 
				
					15.75
				 | 
				
					50
				 | 
				
					21
				 | 
				
					3-M10
				 | 
			
			
				| 
					BB-212(128) A11
				 | 
				
					M135x2
				 | 
				
					6-M20
				 | 
				
					30
				 | 
				
					28
				 | 
				
					51
				 | 
				
					130
				 | 
				
					30
				 | 
				
					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