The NSK W2521FA-5PGX-C5Z50 is a high-lead precision ball screw with a 25mm shaft diameter and a 50mm lead. It belongs to the FA series, uses interference-loaded ball preload (0 axial clearance), has a precision class of C5, and can achieve high-speed linear motion. The screw is approximately 2313mm long and is suitable for automated equipment and other applications requiring rapid positioning.
NSK W2521FA-5PGX-C5Z50 Main Features:
High-Speed Performance: 50mm large lead design, suitable for high-speed linear motion.
High Precision: C5 grade precision, accurate positioning, stable repeatability.
Low Noise: FA series optimized circulation structure, lower operating noise.
High Rigidity: Preloaded structure design improves transmission stability and vibration resistance.
High Transmission Efficiency: Rolling friction method, high efficiency, low heat generation.
Long Lifespan: Optimized ball circulation and lubrication design, good wear resistance.
Smooth Operation: Low vibration and smooth movement during high-speed operation.
Wide Application Range: Suitable for CNC, automation equipment, semiconductor equipment, linear modules, etc.
Easy Maintenance: Supports centralized lubrication, lower maintenance costs.
Strong Compatibility: Compatible with NSK support bases, couplings, and servo systems.
The W2521FA-5PGX-C5Z50 ball screw is an ideal choice for a wide range of precision and automated equipment:
CNC machine tools and industrial robots: Meeting the demands for high dynamic response and high-precision feed.
Automated assembly lines: Its high speed and precision are core performance requirements for high-speed assembly lines in industries such as electronics manufacturing.
Aerospace and automotive industries: Suitable for applications with extreme requirements for component reliability and durability.
Semiconductor and FPD manufacturing equipment: Meeting the high cleanliness and precision requirements of these specialized environments.
Item |
Specification |
Model No. |
W2521FA-5PGX-C5Z50 |
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] |
2080 |
Screw Length (Lt) [mm] |
2144 |
Screw Length (La) [mm] |
2180 |
Screw Length (L) [mm] |
2313 |
Weight [kg] |
9.1 |
Rated Dynamic Load [N] |
8090 |
Rated Static Load [N] |
14600 |
Maximum Speed [Fixed-Free] (min-1) |
730 |
Drive Side Support Unit |
WBK20-01A(Square) WBK20-11(Round) |
Reverse Drive Side |
WBK20S-01(Square) |
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