The NSK W2508FA-2GX-C5T50 is a finished precision ball screw from the NSK FA series. It features a 25mm screw diameter and a 50mm lead, offering C5-level positioning accuracy, high speed, low noise, and high response characteristics. It is suitable for industrial applications requiring high-speed and high-precision transmission, such as CNC machining centers, automated equipment, semiconductor equipment, and high-speed linear modules.
Features of NSK W2508FA-2GX-C5T50 Ball Screw:
Large Lead and High Speed: With a lead of 50mm, it significantly reduces positioning time, making it ideal for efficiency-driven automation applications.
High-Precision Positioning Capability: C5 accuracy class enables high-precision and repeatable positioning, smooth operation, and minimal transmission error.
Zero Backlash and High Rigidity: Preloaded design eliminates minimal axial backlash, reducing idle travel during reversal and enhancing system rigidity to ensure machining accuracy.
Powerful Load Capacity: Rated dynamic load (Ca) is 8090 N, and static load (C0a) is 14600 N, allowing it to withstand greater external forces and higher speeds with strong stability.
Reliable Transmission and Circulation: Utilizes a unique end-cap type ball circulation system with low friction, improving energy efficiency.
Applications of W2508FA-2GX-C5T50 Ultra-Large Lead Ball Screw:
Semiconductor Manufacturing Equipment
Medical Equipment
Factory Automation Equipment
Measuring Instruments
General Industrial Machinery
Item |
Specification |
Model No. |
W2508FA-2GX-C5T50 |
Series |
Shaft End Finished Product |
Type |
FA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
50 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.969 |
Valid Number of Laps |
0.7×2 |
Nut Length [mm] |
50 |
Maximum travel [mm] |
780 |
Screw Length (Lt) [mm] |
844 |
Screw Length (La) [mm] |
880 |
Screw Length (L) [mm] |
1013 |
Weight [kg] |
4.1 |
Rated Dynamic Load [N] |
8090 |
Rated Static Load [N] |
14600 |
Maximum Speed [Fixed-Free] (min-1) |
2800 |
Drive Side Support Unit |
WBK20-01A(Square) WBK20-11(Round) |
Reverse Drive Side |
WBK20S-01(Square) |

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