The NSK W3216FA-1P-C5Z25 is a compact FA ball screw with a 32mm shaft diameter and 25mm lead. It features an LPFT, USFC flange nut, and P preload structure with zero axial backlash. It has a C5 accuracy rating and is suitable for routine precision positioning applications in automated equipment, semiconductors, and medical instruments. It is an NSK shaft-end finished ball screw.
The NSK FA type shaft-end finished ball screw W3216FA-1P-C5Z25 has the following features:
Standardized shaft end machining allows for direct installation of support units, reducing secondary machining and improving assembly accuracy;
Low operating noise and vibration, suitable for precision and clean environments;
High speed and high-speed feed capability, suitable for automated and high-speed machine tool applications;
Offers a high-precision grade of C5, with high positioning accuracy and repeatability;
A preload structure can be used to achieve low backlash and high rigidity;
Good sealing and lubrication performance, long service life, and short maintenance cycle;
Belongs to a standardized finished product series, with short lead times, facilitating batch design and replacement of equipment.
Item |
Specification |
Model No. |
W3216FA-1P-C5Z25 |
Series |
Shaft End Finished Product |
Type |
FA |
Screw Shaft Diameter [mm] |
32 |
Lead [mm] |
25 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
4.762 |
Valid Number of Laps |
2.5×1 |
Gap Symbol |
Z |
Circulation Method |
Pipe Circulation |
Nut Length [mm] |
117 |
Maximum travel [mm] |
1546 |
Screw Length (Lt) [mm] |
1680 |
Screw Length (La) [mm] |
1719 |
Screw Length (L) [mm] |
1876 |
Weight [kg] |
12.3 |
Rated Dynamic Load [N] |
12900 |
Rated Static Load [N] |
21100 |
Maximum Speed [Fixed-Free] (min-1) |
1600 |
Drive Side Support Unit |
WBK25-01W(Square) WBK25-11(Round) |
Reverse Drive Side Support Unit |
WBK25S-01W(Square) |

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