The NSK W1608FA-1P-C3Z5 FA type ball screw has a 16mm shaft diameter and a 5mm lead. The FA type ball screw uses a tube circulation system and is paired with PFT or SFT type nuts, offering convenient installation and smooth operation. The shaft end is pre-machined and ready for direct assembly.
Key features of the NSK FA pre-machined ball screw:
Circulation Method (Tube Circulation): A metal tube (bent tube) is installed outside the nut. After the balls complete their working stroke within the screw groove, they are picked up and guided by the bent tube, traversing several thread helix angles, and returning to the starting point of the circulation path.
Pre-machined Shaft End: The screw end is precision-machined, requiring no further processing by the user; direct installation significantly shortens the equipment assembly cycle.
High Precision and High Rigidity: Although compact, the FA series typically offers excellent precision grades (e.g., C3) and axial rigidity, meeting the requirements for precision conveying and positioning.
Applicable Scenarios: Small machinery, conveying equipment, medical devices, packaging machines, and other automated equipment with limited installation space.
Application Industries of W1608FA-1P-C3Z5 Ball Screw: Semiconductor manufacturing equipment, precision measuring instruments, electronic component assembly equipment, automated packaging, and medical devices. Particularly suitable for applications requiring both compact space and high load.
Customization Services: We offer non-standard customized ball screws, supporting design and processing based on provided drawings to meet the personalized needs of precision transmission and automated equipment.
Item |
Specification |
Model No. |
W1608FA-1P-C3Z5 |
Series |
Shaft End Finished Product |
Type |
FA |
Screw Shaft Diameter [mm] |
16 |
Lead [mm] |
5 |
Accuracy Grade |
C3 |
Ball Diameter [mm] |
3.175 |
Valid Number of Laps |
2.5×1 |
Gap Symbol |
Z |
Circulation Method |
Pipe Circulation |
Nut Length [mm] |
42 |
Maximum travel [mm] |
841 |
Screw Length (Lt) [mm] |
889 |
Screw Length (La) [mm] |
904 |
Screw Length (L) [mm] |
971 |
Weight [kg] |
1.6 |
Rated Dynamic Load [N] |
5430 |
Rated Static Load [N] |
6890 |
Maximum Speed [Fixed-Free] (min-1) |
2600 |
Drive Side Support Unit |
WBK12-01A(Square) WBK12-11(Round) |
Reverse Drive Side |
WBK12S-01(Square) |

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