Open Centre Power Chucks – BR Series
Kitagawa Open Centre Power Chucks are designed for high-precision CNC turning applications requiring through-hole material feeding, superior gripping performance, and excellent repeatability. Widely used in automated manufacturing environments, these chucks deliver the accuracy, productivity, and reliability demanded by modern machining operations.
Petrotek offers a comprehensive range of Kitagawa Open Centre Power Chucks, including the advanced BR Series Large Thru-Hole High Accuracy Power Chucks, Standard 3-Jaw Open Centre Chucks, Large Bore Models, and Custom High-Speed Variants. The BR Series is engineered for exceptional gripping accuracy, high-speed performance, and automation-ready applications, making it an ideal solution for precision CNC machining and high-volume production environments.
Available Models
BR05 Large Thru-Hole High Accuracy Power Chuck
Outer Diameter: 135 mm
Through Hole: 33 mm
Maximum Speed: 8000 rpm
High gripping accuracy of 0.01 mm or less
Suitable for sub-spindle workpiece transfer
Low centrifugal force during high-speed operation
Interchangeable with B205
Optional patented T-Nuts available for jaw repeatability
Maximum Grip Range: 135 mm
Minimum Grip Range: 7 mm
Maximum Gripping Force: 36 kN
BR06 Large Thru-Hole High Accuracy Power Chuck
Through Hole: 53 mm
Max Speed: 6000 rpm
Grip Range: 170 mm max, 16 mm min
Jaw Stroke: 5.5 mm
Max Gripping Force: 58.5 kN
BR08 Large Thru-Hole High Accuracy Power Chuck
Through Hole: 66 mm
Max Speed: 5000 rpm
Grip Range: 210 mm max, 22 mm min
Jaw Stroke: 7.4 mm
Max Gripping Force: 90 kN
BR10 Large Thru-Hole High Accuracy Power Chuck
Through Hole: 81 mm
Max Speed: 4500 rpm
Grip Range: 254 mm max, 31 mm min
Jaw Stroke: 8.8 mm
Max Gripping Force: 123 kN
BR12 Large Thru-Hole High Accuracy Power Chuck
Through Hole: 106 mm
Max Speed: 3500 rpm
Grip Range: 315 mm max, 49 mm min
Jaw Stroke: 10.6 mm
Max Gripping Force: 153 kN
Data Sheet:
