The W2002FA-2-C5T10 is an NSK FA type pre-finished ball screw, meaning that both ends of the screw shaft have been precision-machined to NSK standard support units at the factory and can be directly installed and used. The NSK ball screw W2002FA-2-C5T10 has a shaft diameter of 20 mm, a lead of 10 mm, an accuracy class of C5, and uses a tubular circulation structure, suitable for positioning and reciprocating motions in general automated equipment.
The NSK A-series pre-machined FA 20×10 ball screws feature the following characteristics:
shaft end finished : The mounting section and threads are pre-machined at the factory, allowing for direct assembly and use, reducing processing costs and errors.
Standard stock: Universal specifications, short lead time, and high cost-effectiveness.
Moderate precision: Commonly C5 grade, meeting general positioning and transmission needs.
High transmission efficiency: Ball circulation structure, low friction, and smooth operation.
Selectable rigidity and preload: Supports preload or micro-clearance configurations to adapt to different working conditions.
Easy maintenance: Supports lubrication replenishment, ensuring stable service life.
Wide application: Suitable for automated equipment, handling mechanisms, and small precision devices.
Item |
Specification |
Model No. |
W2002FA-2-C5T10 |
Series |
Shaft End Finished Product |
Type |
FA |
Screw Shaft Diameter [mm] |
20 |
Lead [mm] |
10 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
3.969 |
Valid Number of Laps |
2.5×1 |
Gap Symbol |
Z |
Circulation Method |
Pipe Circulation |
Nut Length [mm] |
54 |
Maximum travel [mm] |
229 |
Screw Length (Lt) [mm] |
289 |
Screw Length (La) [mm] |
314 |
Screw Length (L) [mm] |
399 |
Weight [kg] |
1.4 |
Rated Dynamic Load [N] |
8350 |
Rated Static Load [N] |
11000 |
Maximum Speed [Fixed-Free] (min-1) |
3000 |
Drive Side Support Unit |
WBK15-01A(Square) WBK15-11(Round) |
Reverse Drive Side |
WBK15S-01(Square) |

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