The NSK W2511SA-2P-C5Z6 is a tubular circulating ball screw with a diameter of 25 mm, a lead of 6 mm, and a total length of approximately 1300 mm. It features a right-hand thread design, 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 the W2511SA-2P-C5Z6 Ball Screw:
High Precision and High Rigidity: C5 precision grade ensures excellent axial clearance and positioning accuracy.
SA Series Advantages: Designed specifically for industrial machinery, it offers reliable transmission efficiency and a long service life.
Preload: Utilizing precision preload technology, it reduces errors caused by thermal expansion of the screw, enhancing positioning rigidity.
Common Applications of W2511SA-2P-C5Z6 Precision Ball Screws:
CNC Machine Tools
Industrial Robots
Precision Conveying Machinery
Electronic Manufacturing Equipment
Item |
Specification |
Model No. |
W2511SA-2P-C5Z6 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
6 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.969 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
62 |
Maximum travel [mm] |
1102 |
Screw Length (Lt) [mm] |
1170 |
Screw Length (La) [mm] |
1200 |
Screw Length (L) [mm] |
1333 |
Weight [kg] |
5.2 |
Rated Dynamic Load [N] |
16600 |
Rated Static Load [N] |
26700 |
Maximum Speed [Fixed-Free] (min-1) |
2450 |
Drive Side Support Unit |
WBK20-01A(Square) WBK20-11(Round) |
Reverse Drive Side |
WBK20S-01(Square) |

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