The NSK W1606FA-1P-C3Z5 is a C3 precision ball screw of type FA, with a screw shaft diameter of 16mm and a lead of 5mm. The FA W1606FA-1P-C3Z5 is a finished ball screw with tubular circulation and a flange-type nut design, offering convenient installation and smooth operation. It is commonly used in industrial automation, robotics, and medical equipment.
The NSK A-series precision ground ball screws feature:
High precision: Utilizing a grinding process, lead error is controlled within the micrometer level, commonly achieving a C3 precision grade, suitable for high-precision and repeatable positioning applications.
High rigidity: Axial backlash can be eliminated through preloading (Z0~Z5), significantly improving system rigidity and vibration resistance, ensuring machining or motion stability.
Long lifespan: The raceway undergoes quenching and precision grinding, resulting in high surface hardness, low roughness, minimal wear, and excellent long-term precision retention.
Strong standardization and versatility: The A-series uses NSK's standard shaft end products, with a unified flange nut structure and standardized installation dimensions, facilitating selection and replacement.
NSK FA type ball screws are commonly used in:
CNC machining centers (high-end axes)
Precision grinding machines
Semiconductor equipment
Automated assembly lines
Optical/medical equipment
Item |
Specification |
Model No. |
W1606FA-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] |
641 |
Screw Length (Lt) [mm] |
689 |
Screw Length (La) [mm] |
704 |
Screw Length (L) [mm] |
771 |
Weight [kg] |
1.4 |
Rated Dynamic Load [N] |
5430 |
Rated Static Load [N] |
6890 |
Maximum Speed [Fixed-Free] (min-1) |
3000 |
Drive Side Support Unit |
WBK12-01A(Square) WBK12-11(Round) |
Reverse Drive Side |
WBK12S-01(Square) |

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