The NSK W2805SA-3P-C5Z6 is a high-precision ball screw with pre-machined shaft ends for automated equipment. This model is specifically designed for CNC machine tools and precision positioning equipment, featuring high rigidity and high responsiveness.
Key Specifications and Characteristics of NSK W2805SA-3P-C5Z6 Ball Screw:
Diameter and Pitch: Standard shaft diameter 28 mm, with 6 mm lead.
Accuracy Class: C5 (indicating high precision and tight tolerances)
Preload/Backlash: Z (preload) for zero backlash and high rigidity.
Design: Ground threaded spindle with machined/finished shaft end and backlash-free flange nut.
The NSK SA type W2805SA-3P-C5Z6 ball screw is ideal for equipment with comprehensive requirements for positioning accuracy, installation speed, and space dimensional accuracy:
CNC machine tools: X/Y/Z axis feed systems for small machining centers, CNC lathes, engraving and milling machines, and grinding machines.
Precision instruments: Measuring equipment, semiconductor manufacturing equipment, and industrial robotic arms.
Item |
Specification |
Model No. |
W2805SA-3P-C5Z6 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
28 |
Lead [mm] |
6 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.175 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
63 |
Maximum travel [mm] |
501 |
Screw Length (Lt) [mm] |
570 |
Screw Length (La) [mm] |
600 |
Screw Length (L) [mm] |
699 |
Weight [kg] |
3.9 |
Rated Dynamic Load [N] |
12900 |
Rated Static Load [N] |
24300 |
Maximum Speed [Fixed-Free] (min-1) |
2500 |
Drive Side Support Unit |
WBK20-01(Square) WBK20-11(Round) |
Reverse Drive Side |
WBK20S-01(Square) |
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