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The ND series models are used for collet sizes 120mm and larger. The collet is coupled directly to the chuck body and remains fixed as the tapered seat moves forward when the chuck is actuated. Since the collet remains fixed in the Z axis during clamping it does not create a pull back effect on the bar stock or workpiece.

CB-ND Features

  • Dead Length design
  • Radial adjusting screws to true-up the chuck assembly within .0002” (0.005mm)
  • Lubricated-for-life design requires minimal maintenance
  • All components hardened and precision ground for highest accuracy and long life
  • Stop plates and stop housings can be mounted inside the chuck body for chucking applications requiring end stops or part ejectors
Unit of Measure

Collet Model

 N/A SK120BZI

Max. Clamping Diameter

 N/A 4.725 in120 mm

Min. Clamping Diameter

 N/A 1.000 in25 mm

Spindle Nose

 N/A A2-11

Accuracy

 N/A 0.002 in0.050 mm

Clamping Range

 N/A +/- .040 in+/- 1 mm

Linear Chuck Stroke

 N/A .315 in8 mm

Max. Clamp Force

 N/A 35,969 lbs160 kN

Max. Speed

 N/A 4,000 rpm

Max. Draw Tube Thread

 N/A M150x2

Weight

 N/A 125.55 lb56.94 kg

A Dimension

 N/A 6.735 in171.07 mm

Item No.

 N/A 15 120 151

N/A CB-ND collet chucks include a spindle adapter plate and a blank draw tube connector. Threaded draw tube connectors for specific machine configurations are furnished at no additional charge if draw tube dimensions are provided with your purchase order.