SFA Ball Screw

SFA Ball Screw for High-Speed and Low-Noise Linear Motion

The SFA Series Ball Screw is engineered for high-velocity, low-noise linear motion applications requiring smooth travel, compact installation envelopes, and consistent positioning repeatability.

Internal End-Cap Recirculation Architecture
The SFA Series features a compact flanged nut utilizing an internal end-cap ball return mechanism. By guiding the rolling elements tangentially through smooth, integrated end-cap channels, this design moderates ball impact energy during high-speed rotation, significantly reducing operating noise, vibration, and thermal buildup compared to external-tube designs.

Standardized Versatility & Precision Grades
Mounting Geometry: Conforms to the DIN 69051 Form B flange standard, featuring a trimmed profile for low-clearance integration into compact machine beds and DSG housings.
Manufacturing Classes: Available in Precision Rolled (C7, C5) and Precision Ground (C5, C3) accuracy grades.
Lead Options: Offered in standard and high-lead configurations with configurable preload levels to match specific axial stiffness and speed requirements.
Sealing Protection: Features an integrated multi-lip polymer sealing structure to retain lubrication and protect ball circuits from particulate contamination.

Custom OEM/ODM Manufacturing
Lishui City Yongrun Precision Machinery Co., Ltd. provides comprehensive OEM, ODM, and customized ball screw manufacturing based on customer blueprints, physical samples, and technical specifications.

Yongrun SFA Series Advantages
1.Manufacturer Direct: In-house production and OEM manufacturing for industrial automation.
2.High-Speed Configuration: High-lead options designed for rapid linear travel and short cycle times.
3.Smooth & Quiet: Internal end-cap ball circulation reduces running noise and vibration.
4.Accuracy Classes: Available in Rolled (C7/C5) and Ground (C5/C3) configurations.
5.Customization: Fully tailored shaft lengths, leads, preloads, and precision end-machining.
6.Print-to-Part Support: Rapid quotation and technical review from your CAD/PDF blueprints.
7.Quality Control: Rigorous pre-shipment dimensional and operational verification.
8.CAD Models: 3D STEP/IGES files available upon request from our engineering support team.

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