The NSK W2515FA-3P-C5Z25 is an NSK FA-type shaft-end finished ball screw with a nominal shaft diameter of 25mm and a lead of 25mm. The W2515FA-3P-C5Z25 ball screw features high rigidity, zero axial backlash, stable load bearing, smooth and low-noise operation, and excellent positioning accuracy. It meets the requirements of high-speed operation and precision transmission, and is suitable for use in high-end industrial equipment such as CNC machine tools, automated precision displacement platforms, semiconductor and precision testing equipment.
The NSK FA type 25mm high-lead ball screw W2515FA-3P-C5Z25 has the following features:
Standardized machining of the shaft end 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;
Offering 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;
Belonging to a standardized finished product series, with short lead times, facilitating batch design and replacement of equipment.
The W2515FA-3P-C5Z25 ball screw is commonly used in:
CNC machine tools: feed axes of CNC machining centers, lathes, and milling machines.
Automated production lines: robotic arms and material handling robots.
Precision measuring instruments: coordinate measuring machines, etc.
Item |
Specification |
Model No. |
W2515FA-3P-C5Z25 |
Series |
Shaft End Finished Product |
Type |
FA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
25 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
4.762 |
Valid Number of Laps |
1.5×1 |
Gap Symbol |
Z |
Circulation Method |
Pipe Circulation |
Nut Length [mm] |
90 |
Maximum travel [mm] |
1446 |
Screw Length (Lt) [mm] |
1550 |
Screw Length (La) [mm] |
1580 |
Screw Length (L) [mm] |
1713 |
Weight [kg] |
7.0 |
Rated Dynamic Load [N] |
8970 |
Rated Static Load [N] |
13100 |
Maximum Speed [Fixed-Free] (min-1) |
1400 |
Drive Side Support Unit |
WBK20-01A(Square) WBK20-11(Round) |
Reverse Drive Side Support Unit |
WBK20S-01(Square) |

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