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QB306 (Open Centre Chucks / QB-300)
Key Features
169 mm three jaw power chuck with 45mm through hole and max speed of 5500rpm.
- Outer Grip Range (mm): Φ10~Φ140
- Jaw Stroke (diameter mm): 5.5
- Max Gripping Force (kN): 57
Kitagawa's QB300 Quick-Jaw Change Chuck
Downloads:
Description and Specifications:
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): 45
- Plunger Stroke (mm): 12
- Outer Gripping Range (mm): Φ10~Φ140
- Jaw Stroke (diameter mm): 5.5
- Max. Draw Bar Pull Force: 22kN, 2243 kgf
- Max. Gripping Force: 57 kN, 5812 kgf
- Max Speed: 5500rpm
- Weight (with soft jaws) 12.6kg
- Moment of inertia: 0.058 kg.m2
- Matching cylinder: S1246
- Max pressure: 2.8 MPa, 28.6 cm2
- Matching soft top jaw: SB06BB
Further Information:
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.