The NSK W2004SA-2P-C5Z5 is a tubular circulating ball screw with a diameter of 20 mm, a lead of 5 mm, and a total length of approximately 600 mm. It features a right-hand thread design, C5 precision grade, and high precision, low backlash, and high-efficiency transmission characteristics.
Core Features and Advantages of the W2004SA-2P-C5Z5 Ball Screw:
Ready to Use: The SA type shaft end is precision-machined, requiring no secondary processing by the user. It can be directly matched with NSK WBK/WBN series support units, significantly shortening the assembly cycle and reducing installation costs.
Zero Backlash High Precision: The single-nut interference preload design completely eliminates axial backlash. C5 precision grade ensures extremely low positioning error, suitable for precision positioning scenarios requiring frequent forward and reverse rotation.
Compact Structure: The single-nut design saves more installation space than double-nut designs, making it suitable for miniaturized equipment. Meanwhile, the P preload provides sufficient rigidity to meet general load requirements.
In-stock: As standard NSK inventory, it boasts short delivery cycles, enabling rapid response to equipment manufacturing and maintenance needs.
Common Applications of W2004SA-2P-C5Z5 Precision Ball Screws:
CNC Machine Tools, Industrial Robots, Precision Conveying Machinery, Electronic Manufacturing Equipment
Item |
Specification |
Model No. |
W2004SA-2P-C5Z5 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
20 |
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] |
413 |
Screw Length (Lt) [mm] |
475 |
Screw Length (La) [mm] |
500 |
Screw Length (L) [mm] |
585 |
Weight [kg] |
1.8 |
Rated Dynamic Load [N] |
11100 |
Rated Static Load [N] |
17100 |
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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