QB312 Kitagawa
Kitagawa India


Product code: QB312

304 mm three jaw power chuck with 91mm through hole and max speed of 3000rpm.

  • Outer Grip Range (mm): Φ30~Φ250
  • Jaw Stroke (diameter mm): 10.6
  • Max Gripping Force (kN):  144

Kitagawa's QB300 Quick-Jaw Change Chuck

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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): 91
  • Plunger Stroke (mm): 23
  • Outer Gripping Range (mm): Φ30~Φ250
  • Jaw Stroke (diameter mm): 10.6
  • Max. Draw Bar Pull Force: 55kN, 5608 kgf
  • Max. Gripping Force: 144 kN, 14684 kgf
  • Max Speed: 3000rpm
  • Weight (with soft jaws) 56kg
  • Moment of inertia: 0.745 kg.m2
  • Matching cylinder: S2091
  • Max pressure: 2.7 MPa, 27.5 cm2
  • Matching soft top jaw: SB12BB

Click here for gripping characteristic graph.
Click here for information on Soft Top Jaws for QB300 series.
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.

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