The NSK W2502SA-1P-C5Z4 SA type ball screw has a 25mm shaft diameter and a 4mm lead, classifying it as a small-lead ball screw. The W2502SA-1P-C5Z4 shaft-end finished ball screw uses a tubular circulation system and features a flange-type nut design, making it easy to install and ensuring smooth operation. It is commonly found in the machine tool industry.
Key Features of W2502SA-1P-C5Z4 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: Employing precision preload technology reduces errors caused by thermal expansion of the screw, enhancing positioning rigidity.
Common Applications of W2502SA-1P-C5Z4 Precision Ball Screw
CNC Machine Tools
Industrial Robots
Precision Conveying Machinery
Electronic Manufacturing Equipment
Item |
Specification |
Model No. |
W2502SA-1P-C5Z4 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
4 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
2.381 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
48 |
Maximum travel [mm] |
166 |
Screw Length (Lt) [mm] |
220 |
Screw Length (La) [mm] |
250 |
Screw Length (L) [mm] |
349 |
Weight [kg] |
1.6 |
Rated Dynamic Load [N] |
7110 |
Rated Static Load [N] |
13600 |
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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