B-21 (Open Centre Chucks / B)
Key Features
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.
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): 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
Further Information:
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.


