ROTA NC plus 2 260-86 A8-SV90°
3-jaw power chuck with through-hole
ID 852127
Standard power lathe chucks with through-hole
Product features:
Product features:
- 3-jaw wedge-hook chuck
- Through-hole: 86 mm
- Spindle holder: ISO 702-1 Nr. 8
- Jaw interface: 1/16" x 90° Nut 21H7
- Stroke per jaw: 5.3 mm
- Piston stroke: 20 mm
- Max. clamping force: 140 kN
- Max. actuating force: 60 kN
- Max. RPM: 4000 1/min
- Weight: 35 kg
Technical data
| Spindle type | ISO 702-1 |
|---|---|
| Spindle size | Nr. 8 |
| Serration | 1/16" x 90° |
| Max. RPM [1/min] | 4000 |
| Max. clamping force [kN] | 140 |
| Max. actuating force [kN] | 60 |
| Stroke/jaw [mm] | 5.3 |
| Piston stroke (H) [mm] | 20 |
| Moment of inertia [kgm²] | 0.31 |
| Weight [kg] | 35 |
Clamping force-RPM-diagram
Clamping force-RPM-diagram
- X Axis:
- n [min-1]
- Y Axis:
- Fsp [kN]
- brown
-
SHB 250
- red
-
SWB 250
- yellow
-
SHB-J 100
- green
-
Required minimum clamping force Fspmin 33%
General notes about the series
Definition clamping force
The clamping force is the arithmetic sum of the individual forces occuring at the chuck jaws, distance “H“ at maximum pressure and maximum torque. The specifications exclusively refer to the grease used by SCHUNK.
Scope of delivery
Chuck, T-nuts with screws, chuck mounting bolts, mounting wrench for turnable threaded ring, eye bolt, and operating manual