The NSK SA-type ball screw W3205SA-1P-C5Z5 is a high-precision, ground ball screw specifically designed for machine tools. This model belongs to the SA series (finished shaft end) and features an external circulation (tube circulation) design, offering excellent rigidity and smooth motion performance.
Features of NSK SA Type Ball Screw W3205SA-1P-C5Z5 for Machine Tools:
Excellent Precision: C5 grade precision, with a preload structure achieving zero backlash, high positioning and repeatability accuracy, meeting the precision machining requirements of machine tools.
Sufficient Rigidity: Optimized raceway structure and flange nut design provide strong load-bearing capacity and impact resistance, suitable for heavy-duty feed axis operations in small and medium-sized machine tools.
Easy Installation: The ball screw shaft end is prefabricated, requiring no secondary machining, and can be directly matched with NSK standard support units, making assembly and equipment replacement simple and efficient.
Typical Applications of W3205SA-1P-C5Z5 Ball Screws
Due to its high rigidity, zero backlash, and extremely high positioning accuracy, this ball screw is widely used in various demanding industrial and automation fields:
Machine Tools: CNC machine tools, precision engraving machines
Automation Equipment: High-precision robots, automated assembly lines
Precision Instruments: Medical devices, precision testing equipment
Item |
Specification |
Model No. |
W3205SA-1P-C5Z5 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
32 |
Lead [mm] |
5 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.175 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
56 |
Maximum travel [mm] |
501 |
Screw Length (Lt) [mm] |
565 |
Screw Length (La) [mm] |
600 |
Screw Length (L) [mm] |
715 |
Weight [kg] |
4.8 |
Rated Dynamic Load [N] |
13700 |
Rated Static Load [N] |
28000 |
Maximum Speed [Fixed-Free] (min-1) |
2180 |
Drive Side Support Unit |
WBK25-01W(Square) WBK25-11(Round) |
Reverse Drive Side |
WBK25S-01W(Square) |

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