The NSK W2507SA-4P-C5Z10 SA type tubular circulating ball screw has a diameter of 25 mm, a lead of 10 mm, and a total length of approximately 1100 mm. It features a right-hand thread design, C5 precision grade, and high precision, low backlash, and high-efficiency transmission characteristics.
The W2507SA-4P-C5Z10 shaft end is a pre-finished product, with both ends precision-machined to standard specifications. It can be directly used with support units from mainstream brands such as NSK without secondary adjustments, allowing for immediate installation and use. It is widely applicable to CNC machine tools, robots, automation modules, and various precision transmission systems requiring high speed and high positioning accuracy.
NSK SA Type W2507SA-4P-C5Z10 Ball Screw Core Advantages
High Rigidity and High Load Capacity: The SA type design optimizes the circulation trajectory of the steel balls in the pipeline, maintaining extremely low elastic deformation even under high axial loads.
High Positioning Accuracy: C5 grade accuracy combined with a backlash-eliminating preload design provides excellent repeatability and effectively prevents "reverse dead zones" during machine tool feed.
Eliminating Secondary Machining: As a standard pre-fabricated ball screw, its ends are typically pre-machined according to NSK standard support units, significantly shortening the equipment assembly and maintenance cycle.
Common Applications of W2507SA-4P-C5Z10 SA Type Ball Screws:
CNC Machine Tools: X/Y/Z axis transmission for small precision CNC machine tools and engraving machines.
Precision Automation: Semiconductor wafer handling, electronic component placement machines, and robotic arm positioning axes.
Measuring and Testing Instruments: Linear drive for coordinate measuring machines and optical precision inspection stages.
Item |
Specification |
Model No. |
W2507SA-4P-C5Z10 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
10 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
4.762 |
Valid Number of Laps |
1.5×2 |
Nut Length [mm] |
81 |
Maximum travel [mm] |
883 |
Screw Length (Lt) [mm] |
970 |
Screw Length (La) [mm] |
1000 |
Screw Length (L) [mm] |
1133 |
Weight [kg] |
5.2 |
Rated Dynamic Load [N] |
13600 |
Rated Static Load [N] |
18900 |
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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