Kitagawa B-21 Open Centre Power Chuck | Kitagawa
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Kitagawa

Available with adaptor B-21A15

Kitagawa B-21 Open Centre Power Chuck

Product code: B-21

530 mm three jaw power chuck with 140mm through hole and max speed of 1700rpm.

  • Grip Range (mm):  530 max, 87 min
  • Jaw Stroke (diameter mm): 10.6
  • Max Gripping Force (kN):  234
  • Lubrication nipple on each master jaw


Kitagawa's leading large sized power chuck can be used with both hard and soft jaws.

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Chucks are manufactured from high grade alloy steel. Three jaw wedge style power chucks deliver up to 20% more speed, gripping force and bore size when compared to conventional chucks.

  • Through-hole (mm): 140
  • Gripping range (mm): 530 max, 87 min
  • Jaw Stroke (diameter mm): 10.6
  • Plunger Stroke (mm): 23
  • Max. Draw Bar Pull Force: 90kN, 9177 kgf
  • Max. Gripping Force: 234 kN, 23861 kgf
  • Max Speed: 1700rpm
  • Weight (with soft jaws) 235kg
  • Moment of inertia: 8.95 kg.m2
  • Matching cylinder F2511H
  • Max pressure: 3.0 MPa, 30.6 cm2
  • Matching hard top jaw: HB18B2
  • Matching soft top jaw: SB18A2

Click here for gripping characteristic graph.
Click here for information on Kitagawa Chuck Grease Pro.

Mounting: Recess mount, requires additional adaptor.

Standard Equipment: Chuck includes mounting bolts, T-nuts and jaw mounting bolts. Also included blank drawnut and mounting wrench.

View more: Power Chucks | Open Centre