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End-Caps Circulation Series- Ball Screw
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W1501FA-4G-C5T20 FA Type Medium Lead Ball Screw End Cap Circulation

The NSK W1501FA-4G-C5T20 ball screw is manufactured using precision grinding technology and high-quality materials, possessing excellent durability and reliability.
NSK's FA series ball screws are precision-grade, shaft-end finished ball screws suitable for small machinery and general automation equipment. The core feature of this series is its end-cap type circulation system, which enables it to excel in high speed, low noise, and compactness.
Key Features:
Precision Engineering: Manufactured using a high-precision grinding process to achieve C5 accuracy, ensuring high positioning and repeatability during operation.
Rugged and Durable Construction: NSK ball screws are made of high-strength alloy steel, possessing excellent wear resistance and fatigue resistance, suitable for long-term continuous operation.
Ball Circulation Design: Employs an end-cap type ball circulation structure, effectively reducing frictional resistance, achieving smooth operation, and improving transmission efficiency.
Load Capacity: Equipped with a preload structure, improving axial rigidity and load capacity, suitable for medium to high load applications.
Compact Size: The W1501FA-4G-C5T20 ball screw has a 15mm screw shaft diameter and a 20mm lead, ensuring both performance and a compact structure, making it suitable for space-constrained equipment.
NSK FA Ball Screw Applications:
Industrial Machinery: Widely used in CNC machine tools, automated production lines, and precision machining equipment to achieve high-precision feed control.
Automation and Robotics: Suitable for automated equipment such as robotic arms and positioning modules, providing stable and reliable linear motion solutions.
Precision Equipment: Can be used in fields requiring high precision and stability, such as medical equipment, testing instruments, and semiconductor equipment.

Item

Specification

Model No.

W1501FA-4G-C5T20

Series

Shaft End Finished Product

Type

FA

Screw Shaft Diameter [mm]

15

Lead [mm]

20

Accuracy Grade

C5

Ball Diameter [mm]

3.175

Valid Number of Laps

1.7×1

Gap Symbol

T

Circulation Method

End Cap Circulation

Nut Length [mm]

45

Maximum travel [mm]

135

Screw Length (Lt) [mm]

186

Screw Length (La) [mm]

204

Screw Length (L) [mm]

271

Weight [kg]

0.61

Rated Dynamic Load [N]

5660

Rated Static Load [N]

8700

Maximum Speed [Fixed-Free] (min-1)

3000

Drive Side Support Unit

WBK12-01A(Square)

WBK12-11(Round)

Reverse Drive Side

WBK12S-01(Square)

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