The NSK W3205SA-4Z-C5Z6 is a SA type ball screw for machine tools with a shaft diameter of 32mm and a lead of 6mm. It adopts a ZFT type flange nut and a Z preload structure with no axial backlash, and has a precision grade of C5. It is suitable for conventional precision positioning applications such as CNC machine tools, automated equipment, semiconductors, and medical instruments.
The NSK W3205SA-4Z-C5Z6 SA type pre-machined ball screw has the following features:
Pre-machined shaft end design allows for direct installation with support units, shortening equipment assembly time;
Utilizing a tubular circulation structure, it offers high transmission efficiency, low frictional resistance, smooth operation, and excellent positioning accuracy;
With a C5 accuracy class, it provides stable repeatability and is suitable for automated equipment, precision machinery, and CNC systems;
Standardized product design ensures short delivery cycles and facilitates maintenance and replacement.
Applications of SA type W3205SA-4Z-C5Z6 ball screws:
CNC machine tools: such as machining centers, milling machines, EDM machines, etc.
Precision measuring equipment: such as coordinate measuring machines, image measuring instruments.
Automation and robotics: robots or automated assembly lines requiring high positioning accuracy.
Semiconductor manufacturing equipment: such as lithography machines, wafer inspection equipment.
Other precision machinery: medical equipment, precision printing presses, etc.
Item |
Specification |
Model No. |
W3205SA-4Z-C5Z6 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
32 |
Lead [mm] |
6 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.969 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
99 |
Maximum travel [mm] |
473 |
Screw Length (Lt) [mm] |
580 |
Screw Length (La) [mm] |
600 |
Screw Length (L) [mm] |
760 |
Weight [kg] |
5.6 |
Rated Dynamic Load [N] |
29100 |
Rated Static Load [N] |
69300 |
Maximum Speed [Fixed-Free] (min-1) |
2180 |
|
Recommended support unit Drive side, reverse drive side (fixed) |
WBK25DF-31H (Round) |

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