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NSK W2503SA-1P-C5Z4 Ball Screw SA Type C5 Precision Ball Screw

The NSK W2503SA-1P-C5Z4 is a model number of the NSK SA series shaft-end finished flange type ball screw. "25" indicates the screw diameter is 25 mm, and "4" indicates the lead is 4 mm. The W2503SA-1P-C5Z4 ball screw adopts a return tube structure, right-hand thread, and features high precision, low friction, and high rigidity. It is suitable for CNC machine tools, semiconductor equipment, automated positioning platforms, and precision transmission mechanisms.

The NSK W2503SA-1P-C5Z4 SA type pre-finished ball screw features the following characteristics:

It adopts the SA series pre-finished shaft 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 cycle, and easy maintenance and replacement.

Item

Specification

Model No.

W2503SA-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]

316

Screw Length (Lt) [mm]

370

Screw Length (La) [mm]

400

Screw Length (L) [mm]

499

Weight [kg]

2.2

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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