The W3205SA-3P-C5Z6 is an NSK SA type shaft-end finished ball screw with a diameter of 32mm and a lead of 6mm. It features C5 precision and a P interference preload structure, offering high positioning accuracy, zero backlash, and high rigidity. Equipped with a PFT external circulation nut, it supports high-speed feed and is suitable for precision transmission systems in CNC machine tools, machining centers, and automated equipment.
The NSK W3205SA-3P-C5Z6 ball screw features the following characteristics:
High precision: C5 grade precision, small lead error, and high positioning and repeatability accuracy;
High transmission efficiency: The rolling friction structure of the balls enables a transmission efficiency of over 90%, resulting in smooth operation and low energy consumption;
High rigidity and high load capacity: The 32 mm large diameter design can withstand large axial loads while maintaining good motion stability;
Low backlash: The interference preload design of large steel balls effectively reduces axial backlash, improving motion control accuracy and response speed;
Long life and high reliability: Made of high-quality bearing steel and precision machining processes, it has strong wear resistance and is suitable for applications such as CNC machine tools, automated equipment, and precision positioning systems.
Typical Applications:
CNC Machine Tools: Used for precision feed along the X/Y/Z axes to ensure machining accuracy.
Industrial Robots: Used for precision transmission in joints or linear modules.
Automated Assembly Lines: Used for high-precision positioning platforms, material handling, etc.
Precision Measuring Equipment: Provides stable and accurate linear displacement.
Item |
Specification |
Model No. |
W3205SA-3P-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] |
63 |
Maximum travel [mm] |
494 |
Screw Length (Lt) [mm] |
565 |
Screw Length (La) [mm] |
600 |
Screw Length (L) [mm] |
715 |
Weight [kg] |
5.0 |
Rated Dynamic Load [N] |
18300 |
Rated Static Load [N] |
34700 |
Maximum Speed [Fixed-Free] (min-1) |
2180 |
Drive Side Support Unit |
WBK25-01W(Square) WBK25-11(Round) |
Reverse Drive Side |
WBK25S-01W(Square) |

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