The W2002FA-1P-C5Z10 is an NSK medium-lead ball screw with a 20mm diameter, 10mm lead, C5 precision grade, and a flange-type nut. It is a pre-finished shaft end.
NSK FA type pre-finished shaft end ball screws are part of the standard ball screw series from NSK (Japan Precision Machinery). The shaft end is precision-machined and ready for direct installation, eliminating the need for additional shaft end machining by the user and significantly shortening the equipment assembly cycle.
Features of the FA type pre-finished shaft end ball screw:
Pre-finished shaft end design: The shaft end is pre-machined (threads, keyways, etc.) for direct assembly, shortening the equipment development cycle.
High precision performance: C5 level accuracy, combined with P preload, can achieve high positioning accuracy.
Compact structure: Smaller nut outer diameter saves equipment installation space, suitable for small precision equipment.
Reliable lubrication: Standard pre-lubricated grease supports long-term maintenance; some models can be upgraded to a maintenance-free lubrication system.
Fast delivery: Commonly used specifications are in stock, allowing for rapid response to demand.
Typical application industries for NSK FA type shaft-end finish quality control circulating ball screws:
I. Automation equipment industry
II. CNC machine tools and machining equipment
IV. Medical and laboratory equipment
V. Packaging and printing equipment
VI. Robotics and intelligent equipment
Item |
Specification |
Model No. |
W2002FA-1P-C5Z10 |
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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