The NSK W3207SA-3P-C5Z6 ball screw is an SA ball screw with a shaft diameter of 32mm and a lead of 6mm. It adopts a PFT flange nut and a P preload structure with no axial backlash, and has an accuracy of C5 grade. It is suitable for conventional precision positioning applications such as automated equipment, semiconductors, and medical instruments. It belongs to the NSK shaft-end finished product ball screw category.
Summary of Features of W3207SA-3P-C5Z6 Ball Screw
Moderate Precision: C5 grade, meeting the needs of most precision transmissions, high cost-effectiveness.
Offset Preload: Zero backlash, high rigidity, suitable for high-rigidity applications.
PFT Type Nut: Standard flange, pipe circulation, high-speed stability, simple maintenance.
High Rigidity and Long Lifespan: High-quality materials + heat treatment, strong load capacity, durable and reliable.
NSK SA-type ball screws, characterized by high rigidity, high precision (C5 grade), and pre-machined shaft ends, are primarily used in industrial equipment requiring extremely high load-bearing capacity and positioning accuracy.
Core Application Areas
CNC Machine Tools
Automated Precision Machinery
Semiconductor and Electronic Manufacturing Equipment
Medical and Optical Instruments
Precision Measurement and Testing Equipment
Item |
Specification |
Model No. |
W3207SA-3P-C5Z6 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
32 |
Lead [mm] |
6 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.969 |
Valid Number of Laps |
2.5×2 |
Nut Length [mm] |
63 |
Maximum travel [mm] |
694 |
Screw Length (Lt) [mm] |
765 |
Screw Length (La) [mm] |
800 |
Screw Length (L) [mm] |
957 |
Weight [kg] |
6.3 |
Rated Dynamic Load [N] |
18300 |
Rated Static Load [N] |
34700 |
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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