The NSK W2509SA-1P-C5Z5 is a tubular external circulation ball screw with a diameter of 25 mm, a lead of 5 mm, and a total length of approximately 1100 mm. It features a right-hand thread design, a C5 precision grade, and high precision, low backlash, and high-efficiency transmission characteristics.
The NSK SA type ball screw is a precision-ground standard ball screw. Its core feature is that the shaft end is precision-machined, allowing direct installation with NSK standard support units without requiring secondary shaft end machining by the user, significantly shortening the assembly cycle.
Key Features of W2509SA-1P-C5Z5 Ball Screw:
High Precision and High Rigidity: C5 grade precision ensures excellent axial clearance and positioning accuracy.
SA Series Advantages: Designed specifically for industrial machinery, offering reliable transmission efficiency and a long service life.
Preload: Utilizes precision preload technology to reduce errors caused by thermal expansion and enhance positioning rigidity.
Common Applications of W2004SA-1P-C5Z4 Precision Ball Screw: CNC Machine Tools, Industrial Robots, Precision Conveying Machinery, Electronic Manufacturing Equipment
Item |
Specification |
Model No. |
W2509SA-1P-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] |
909 |
Screw Length (Lt) [mm] |
970 |
Screw Length (La) [mm] |
1000 |
Screw Length (L) [mm] |
1133 |
Weight [kg] |
4.5 |
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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