The NSK W2507SA-4P-C5Z10 is a model of the NSK SA series pre-finished ball screw, where "25" indicates a screw diameter of 25 mm and "10" indicates a lead of 10 mm. The W2507SA-4P-C5Z10 ball screw uses a tubular recirculation structure with a right-hand thread, featuring high precision, low friction, and high rigidity. It is suitable for CNC machine tools, semiconductor equipment, automated positioning platforms, and precision transmission mechanisms.
NSK SA type pre-finished ball screws are widely used in CNC machine tools, semiconductor equipment, industrial automation, new energy equipment, medical instruments, and aerospace industries. Because their shaft ends are pre-machined and can be directly installed and used, they effectively shorten equipment assembly cycles, reduce processing costs, and improve overall assembly consistency.
Key Features of W2507SA-4P-C5Z10 Ball Screw Shaft End Finished Product:
Shaft End Machining: Bearing mounting positions, threads, relief grooves, keyways, etc., are all precision machined.
Ready to Use: Bearings, couplings, and locknuts can be directly installed without additional machining.
High Precision Guarantee: Shaft end coaxiality and runout are strictly controlled to ensure transmission accuracy.
Pipe Circulation: Balls circulate through a conduit, resulting in smooth operation and low noise.
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
Injection Molding and Stamping Peripherals
Item |
Specification |
Model No. |
W2507SA-4P-C5Z10 |
Series |
Shaft End Finished Product |
Type |
SA |
Screw Shaft Diameter [mm] |
25 |
Lead [mm] |
10 |
Accuracy Grade |
C5 |
Ball Diameter [mm] |
4.762 |
Valid Number of Laps |
1.5×2 |
Nut Length [mm] |
81 |
Maximum travel [mm] |
683 |
Screw Length (Lt) [mm] |
770 |
Screw Length (La) [mm] |
800 |
Screw Length (L) [mm] |
933 |
Weight [kg] |
4.5 |
Rated Dynamic Load [N] |
13600 |
Rated Static Load [N] |
18900 |
Maximum Speed [Fixed-Free] (min-1) |
2800 |
Drive Side Support Unit |
WBK20-01A(Square) WBK20-11(Round) |
Reverse Drive Side |
WBK20S-01(Square) |

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