The W3209SA-2Z-C5Z5 is an NSK precision-ground ball screw, a core transmission component in industrial automation and high-precision machine tools.
The SA type W3209SA-2Z-C5Z5 ball screw is a finished product with pre-machined ends (such as support bearing seats and locking threads), allowing for direct installation without complex secondary processing.
Technical Features and Advantages
Compact Structure: Utilizing a single-nut design (preloaded via offset lead), it eliminates the need for intermediate shims like double-nut designs, resulting in a more compact structure and smaller footprint.
High Rigidity and Zero Backlash: Offset preload eliminates axial backlash between the screw and nut, improving positioning accuracy and repeatability during forward and reverse movements.
Low Noise and Smooth Operation: The W3209SA-2Z-C5Z5 ball screw has a low coefficient of rolling friction, with a drive torque only 1/3 that of a sliding screw, saving energy and effectively reducing heat generation.
Typical Application Scenarios
The W3209SA-2Z-C5Z5 ball screw is commonly used in automated equipment requiring high positioning accuracy and high rigidity, such as CNC machine tool feed axes, precision measuring instruments, and semiconductor manufacturing equipment.
Item |
Specification |
Model No. |
W3209SA-2Z-C5Z5 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
32 |
Lead [mm] |
5 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.175 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
88 |
Maximum travel [mm] |
886 |
Screw Length (Lt) [mm] |
980 |
Screw Length (La) [mm] |
1000 |
Screw Length (L) [mm] |
1229 |
Weight [kg] |
7.9 |
Rated Dynamic Load [N] |
21800 |
Rated Static Load [N] |
56000 |
Maximum Speed [Fixed-Free] (min-1) |
2180 |
|
Recommended support unit Drive side, reverse drive side (fixed) |
WBK25DF-31H (Round) |

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