The NSK W1603FA-1P-C3Z5 is an external circulation ball screw with a diameter of 16 mm, a lead of 5 mm, a total length of approximately 400 mm, a right-hand thread configuration, a root diameter of approximately 13.2 mm, and a C3 precision grade. It features high precision, low backlash, and high-efficiency transmission characteristics. The W1603FA-1P-C3Z5 shaft-end finished ball screw is suitable for high-speed positioning and precision linear motion applications in CNC machine tools and automated equipment.
Features of NSK FA Type 16×5 Ball Screws with Finished Shaft Ends:
Zero Backlash Design: Utilizes interference-loaded ball preload technology, achieving zero axial backlash for improved positioning accuracy and rigidity.
C3 Grade High Precision: Meets the requirements of precision positioning applications, such as semiconductor manufacturing equipment and testing instruments.
Compact Structure: Compact design suitable for equipment with limited installation space.
End Adaptability: The screw shaft end is machined to fit NSK support units, enabling a low-profile design.
High Reliability: Genuine NSK product, made with high-quality bearing steel and precision ground.
Item |
Specification |
Model No. |
W1603FA-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] |
341 |
Screw Length (Lt) [mm] |
489 |
Screw Length (La) [mm] |
504 |
Screw Length (L) [mm] |
571 |
Weight [kg] |
1.1 |
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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