The NSK W2509FA-2-C5T20 is a high-lead ball screw in the FA series, with a nominal diameter of 25 mm, a lead of 20 mm, and a precision class of C5. The W2509FA-2-C5T20 ball screw uses a tubular circulation structure, providing smooth circulation and high rigidity, making it suitable for high-speed reciprocating motion applications.
The W2509FA-2-C5T20 ball screw has standard machined ends for easy installation, making it suitable for automated equipment and precision linear transmission systems requiring high speed response and smooth operation.
Features of W2509FA-2-C5T20 Finished Ball Screw:
Large Lead 20mm: Achieves high-speed linear motion with a shaft diameter of 25mm.
Tube Circulation Structure: High rigidity, suitable for high-speed, high-load applications.
C5 Precision Grade: High positioning accuracy, suitable for industrial precision positioning needs.
Preload Structure: Axial clearance less than 0.05mm, excellent rigidity and positioning stability.
Applications of NSK FA type shaft-end finished ball screws:
CNC machine tools: machining centers, lathes, milling machines, etc.
Automation equipment: industrial robots, automated assembly lines, precision positioning platforms
Semiconductor equipment: wafer handling, testing equipment
Medical equipment: precision medical instruments, diagnostic equipment
Precision measuring instruments: coordinate measuring machines, image measuring instruments
Item |
Specification |
Model No. |
W2509FA-2-C5T20 |
Series |
Shaft End Finished Product |
Type |
FA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
20 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
4.762 |
Valid Number of Laps |
2.5×1 |
Gap Symbol |
T |
Circulation Method |
Pipe Circulation |
Nut Length [mm] |
96 |
Maximum travel [mm] |
840 |
Screw Length (Lt) [mm] |
950 |
Screw Length (La) [mm] |
980 |
Screw Length (L) [mm] |
1113 |
Weight [kg] |
4.7 |
Rated Dynamic Load [N] |
18600 |
Rated Static Load [N] |
32600 |
Maximum Speed [Fixed-Free] (min-1) |
2800 |
Drive Side Support Unit |
WBK20-01A(Square) WBK20-11(Round) |
Reverse Drive Side |
WBK20S-01(Square) |

Copyright © Jingpeng Machinery&Equipment(Shanghai) Co.,Ltd All Rights Reserved