The NSK W2511FA-3P-C5Z25 is a standard stock ball screw from the NSK FA Series, belonging to the A-Series finished ball screw category with machined shaft ends.
Finished-end ball screws refer to screws where both ends have undergone standardized machining (such as bearing stops and thread machining). They are readily available for rapid delivery.
Features of the W2511FA-3P-C5Z25 ball screw:
High Precision: C5 precision ensures minimal lead error over long strokes.
High Transmission Efficiency: The rolling motion of the balls between the screw and nut results in low friction loss and higher efficiency than sliding screws.
Good Stability and Durability: NSK's proprietary manufacturing processes and materials ensure stability under high speed and heavy loads.
The NSK W2511FA-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, material handling robots.
Precision measuring instruments: coordinate measuring machines, etc.
Item |
Specification |
Model No. |
W2511FA-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] |
1046 |
Screw Length (Lt) [mm] |
1150 |
Screw Length (La) [mm] |
1180 |
Screw Length (L) [mm] |
1313 |
Weight [kg] |
5.4 |
Rated Dynamic Load [N] |
8970 |
Rated Static Load [N] |
13100 |
Maximum Speed [Fixed-Free] (min-1) |
2580 |
Drive Side Support Unit |
WBK20-01A(Square) WBK20-11(Round) |
Reverse Drive Side Support Unit |
WBK20S-01(Square) |

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