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NSK FA Type W2015FA-2-C5T20 Ball Screw for Small Automated Equipment

The NSK W2015FA-2-C5T20 is a standard ball screw assembly in the FA series, with a nominal diameter of 20 mm, a lead of 20 mm, and a precision grade of C5. The W2015FA-2-C5T20 precision ball screw employs an external circulation ball screw structure and a light preload (micro-backlash) design, effectively reducing backlash and improving axial rigidity and positioning stability. Both ends of the ball screw are standard-machined for easy installation and compatibility, making it suitable for precision transmission and automated linear motion systems.

Features of the W2015FA-2-C5T20 Shaft-End Finished Ball Screw:
**Conduit-Type External Circulation:** Utilizing a conduit-type external circulation ball screw system, the balls circulate smoothly within a conduit outside the nut, resulting in a smoother path.

**W2015FA-2-C5T20 Shaft-End Finished Ball Screw Features:**
**Conduit-Type External Circulation:** Employs a conduit-type external circulation ball screw system, allowing the balls to circulate smoothly within a conduit outside the nut. Precise Clearance Control: Axial clearance is only approximately 0.005mm, balancing high-precision positioning and smooth movement, avoiding overheating and wear caused by overload.

Compact Structure: The FA series nut has a 30% smaller outer diameter than traditional products, adapting to confined installation spaces and particularly suitable for small automated equipment.

Long Life Design: High-quality bearing steel material + precision heat treatment process, combined with LR3 grease, ensures long-term stable operation.

Application Industries of NSK 20×20 Specification FA Type Shaft-End Finished Ball Screws:
Semiconductor Manufacturing
Electronic Equipment
Medical Instruments
Precision Measurement
Automation Equipment

Item

Specification

Model No.

W2015FA-2-C5T20

Series

Shaft End Finished Product

Type

FA

Screw Shaft Diameter [mm]

20

Lead [mm]

20

Accuracy Grade

C5

Ball Diameter [mm]

3.969

Valid Number of Laps

1.5×1

Gap Symbol

T

Circulation Method

Pipe Circulation

Nut Length [mm]

63

Maximum travel [mm]

1441

Screw Length (Lt) [mm]

1510

Screw Length (La) [mm]

1535

Screw Length (L) [mm]

1620

Weight [kg]

1.6

Rated Dynamic Load [N]

8190

Rated Static Load [N]

13100

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

1150

Drive Side Support Unit

WBK15-01A(Square)

WBK15-11(Round)

Reverse Drive Side

WBK15S-01(Square)

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