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All Categories > Quick Change Collet Chucks > Quick Change Chucks > CB-NB Collet Chucks - Pull Back Design > View Items  
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CB-NB Collet Chucks - Pull Back Design

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In the CB-NB series collet chucks, the collet is coupled directly to the draw tube connector. As the draw tube is actuated, the collet is drawn into the tapered seat of the chuck body, efficiently translating draw tube force into maximum clamping force.

CB-NB Features
  • Pull Back design maximizes the efficiency of the clamping system by concentrating all forces in the direction of the spindle for highest accuracy and greatest overall rigidity
  • Low profile OD and short overall length provides increased tool clearance and maximum utilization of the machine's Z axis
  • Radial adjusting screws
  • Lubricated for life design requires minimal maintenance
  • All components hardened and precision ground for highest accuracy and long life
  • Spindle speeds up to 6,000 rpm.




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  Results 1 - 12 of 12 Unit of Measure: Imperial Metric Both 1 

Model

Collet Model

Through Capacity

Clamping Range

Draw Tube Stroke

Max Draw Tube Force

Max. Clamp Force

Max Speed

Weight

Spindle Nose

CB42-NB/140 SK42BZI 1.625 in
42
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
7,868 lbf
3569.02
kgf
17,985 lbf
8157.76
kgf
6,000 rpm 16.7 lb
7.6
kg
140mm
CB42-NB/A5 SK42BZI 1.625 in
42
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
7,868 lbf
3569.02
kgf
17,985 lbf
8157.76
kgf
6,000 rpm 16.7 lb
7.6
kg
A2-5
CB42-NB/A6 SK42BZI 1.625 in
42
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
7,868 lbf
3569.02
kgf
17,985 lbf
8157.76
kgf
6,000 rpm 16.7 lb
7.6
kg
A2-6
CB65-NB/A5 SK65BZI 2.625 in
66
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
10,116 lbf
4588.74
kgf
23,605 lbf
10707.06
kgf
6,000 rpm 25.8 lb
11.7
kg
A2-5
CB65-NB/A6 SK65BZI 2.625 in
66
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
10,116 lbf
4588.74
kgf
23,605 lbf
10707.06
kgf
6,000 rpm 27.6 lb
12.5
kg
A2-6
CB65-NB/A8 SK65BZI 2.625 in
66
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
10,095 lbf
4,590
kgf
18,170 lbf
8,260
kgf
6,000 rpm 34.0 lb
15.4
kg
A2-8
CB80-NB/A6 SK80BZI 3.25 in
82.5
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
11,240 lbf
5098.6
kgf
25,853 lbf
11726.78
kgf
5.000 rpm 39.1 lb
17.7
kg
A2-6
CB80-NB/A8 SK80BZI 3.25 in
82.5
mm
+/- .020 in
+/- 0.5
mm
0.16 in
4
mm
11,240 lbf
5098.6
kgf
25,853 lbf
11726.78
kgf
5.000 rpm 40.9 lb
18.5
kg
A2-8
CB100-NB/A8 SK100BZI 3.937 in
100
mm
+/- .040 in
+/- 1
mm
0.275 in
7
mm
14,612 lbs lbf
65 kN
kgf
33,721 lbs lbf
150 kN
kgf
4,500 rpm 47.9 lb
21.8
kg
A2-8
CB100-NB/A11 SK100BZI 3.937 in
100
mm
+/- .040 in
+/- 1
mm
0.275 in
7
mm
14,612 lbf
6628.18
kgf
33,721 lbf
15295.8
kgf
4,500 rpm 47.9 lb
21.8
kg
A2-11
CB120-NB/A11 SK120BZI 4.72 in
120
mm
+/- .040 in
+/- 1
mm
0.275 in
7
mm
15,736 lbf
7240.012
kgf
35,969 lbf
16315.52
kgf
4,000 rpm 72.6 lb
33
kg
A2-11
CB140-NB-A11 SK140BZI 5.51 in
140
mm
+/- .040 in
+/- 1
mm
0.275 in
7
mm
16,860 lbf
7647.9
kgf
38,218 lbf
17335.24
kgf
4,000 rpm 89.1 lb
40.5
kg
A2-11
  Results 1 - 12 of 12 1 
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