The NSK W1603FA-8GX-C5T32 FA type ball screw has a 16mm shaft diameter and a 32mm lead, classifying it as an ultra-large lead ball screw. The FA W1603FA-8GX-C5T32 shaft-end finished ball screw features an end-cap circulation design with a flange-type nut, ensuring convenient installation and smooth operation. It is commonly used in industrial automation equipment.
The NSK shaft-end finished FA type precision ground ball screw features:
It employs an end-cap circulation structure, where the balls flow back through the end cap inside the nut, resulting in a more compact design with no exposed ball return tube, suitable for space-constrained equipment;
The large 32mm lead allows for a large linear travel distance per unit speed, providing excellent high-speed feed capability, suitable for rapid positioning and handling;
It is commonly available in higher precision grades (such as C5), offering good repeatability and meeting the needs of precision automation;
The shaft end is a finished structure with pre-machined mounting positions, allowing direct assembly of bearings and couplings, reducing design and manufacturing costs.
Item |
Specification |
Model No. |
W1603FA-8GX-C5T32 |
Series |
Shaft End Finished Product |
Type |
FA |
Screw Shaft Diameter [mm] |
16 |
Lead [mm] |
32 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.175 |
Valid Number of Laps |
0.7×2 |
Gap Symbol |
T |
Circulation Method |
End Cap Circulation |
Nut Length [mm] |
34 |
Maximum travel [mm] |
342 |
Screw Length (Lt) [mm] |
382 |
Screw Length (La) [mm] |
404 |
Screw Length (L) [mm] |
471 |
Weight [kg] |
0.9 |
Rated Dynamic Load [N] |
4800 |
Rated Static Load [N] |
7510 |
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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