Standard chuck

BR series

• Gripping accuracy of 0.01 mm T.I.R. or less ^{Note 4}
• Reduced jaw-lift
• Interchangeable with Kitagawa B-200 and BB200 series
• With Tnut-Plus optional dedicated T-nuts, the repeatability of jaws at detaching and attaching is 0.01 mm T.I.R. or less 

• Product Specifications

• Model			BR06	BR08	BR10	BR12
  Through-hole (mm)			53	66	81	106
  Gripping Range (mm)		Max.	170	210	254	315
  		Min.	16	22	31	44
  Jaw Stroke (Diameter) (mm)			5.5	7.4	8.8	10.6
  Plunger Stroke (mm)			12	16	19	23
  Max. Draw Bar Pull Force (kN)		at OD Gripping	23	35	49	60
  		at ID Gripping	11.5	17.5	24.5	30
  Max. Static Gripping Force (kN)		at OD Gripping	58.5	90	123	156
  		at ID Gripping	29.3	45	61.5	78
  Max. Speed (min-1)			6000	5000	4500	3500
  Dynamic Gripping Force at Max. Speed (kN) (at OD Gripping)			22.5	36	44	53
  Moment of Inertia (kg･m2)			0.052	0.14	0.32	0.80
  Net Weight (kg) (with Soft Top Jaws)			12.8	22.2	35.8	57.0
  Matching Cylinder			SR1453C SS1453K	SR1566C SS1666K	SR1781C SS1881K	SR2010C SS2110K
  Matching Soft Jaws Note) Jaw-mounting bolts are not included.			Standard Extra Tall	Standard Extra Tall Small diameter gripping	Standard Extra Tall	Standard Extra Tall