The NSK W2507SA-2P-C5Z5 is an NSK SA series shaft-end finished ball screw with a diameter of 25mm and a lead of 5mm. It adopts a single-nut preload structure and C5-grade precision design, which has high transmission accuracy, rigidity and smooth operation.
The NSK W2507SA-2P-C5Z5 NSK SA-type pre-finished ball screw features the following characteristics:
It adopts the SA series pre-finished design, with the shaft end pre-machined for direct installation with support units, shortening equipment assembly time;
It uses a tubular circulation structure, resulting in high transmission efficiency, low frictional resistance, smooth operation, and excellent positioning accuracy;
It has a C5 accuracy class, stable repeatability, and is suitable for automated equipment, precision machinery, and CNC systems;
It is equipped with a sealing structure to effectively prevent dust and foreign matter from entering, improving service life and reliability;
It features a standardized product design, short delivery time, and easy maintenance and replacement.
Applications of SA type W2507SA-2P-C5Z5 precision ball screws:
CNC machine tools: such as machining centers, milling machines, EDM machines, etc.
Precision measuring equipment: such as coordinate measuring machines, image measuring instruments.
Automation and robotics: robots or automated assembly lines requiring high positioning accuracy.
Semiconductor manufacturing equipment: such as lithography machines, wafer inspection equipment.
Other precision machinery: medical equipment, precision printing presses, etc.
Item |
Specification |
Model No. |
W2507SA-2P-C5Z5 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
5 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.175 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
55 |
Maximum travel [mm] |
709 |
Screw Length (Lt) [mm] |
770 |
Screw Length (La) [mm] |
800 |
Screw Length (L) [mm] |
933 |
Weight [kg] |
3.8 |
Rated Dynamic Load [N] |
12300 |
Rated Static Load [N] |
21800 |
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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