SCJ..UU Series Linear Motion Ball Slide Units For Aerospace Propulsion Systems

SCJ..UU Series Linear Motion Ball Slide Units For Aerospace Propulsion Systems

Bearing number:SCJ8UU/SCJ10UU/SCJ12UU/SCJ13UU/




Load Ratings(C.N):3820

Load Ratings(C0.N):7930

Material:Aluminum Alloy/Steel/Plastic/

Bearing Balls/Sealing Materials

Warranty:1 Year

Business Type: Manufacturer

Place of Origin:Zhejiang, China

Customized support:OEM,ODM


SCJ..UU Series Linear Motion Ball Slide Units For Aerospace Propulsion Systems-1-Image-SAIVS
SCJ..UU Series Linear Motion Ball Slide Units For Aerospace Propulsion Systems-2-Image-SAIVS
SCJ..UU Series Linear Motion Ball Slide Units For Aerospace Propulsion Systems-3-Image-SAIVS
SCJ..UU Series Linear Motion Ball Slide Units For Aerospace Propulsion Systems-4-Image-SAIVS
Bearings numberInside Load ratingShaft
C(n)Co (N)
SCJ8UULM 8UUAJ431784Φ1011173422186245M4X81830M4
SCJ12UULM12UUAJ410590Φ1215214228247.430.55.75M5X 122636M4112
SCJ20UULM20UUAJ8601370Φ20212754413511407M5X 124050M5237
SCJ35UULM35UUAJ16603130Φ353445906854187010M8X 186080M61100

Thrust Vector Control Mechanism: The SCJ..UU Series units are employed in the thrust vector control mechanism of Aerospace Propulsion Systems

This mechanism allows for precise control of the direction of thrust, optimizing the vehicle's maneuverability and stability during flight. 

The Linear Motion Ball Slide Units ensure accurate adjustments to the thrust vector angles, enabling dynamic response to changing flight conditions.

Nozzle Positioning Systems: In the nozzle positioning systems of rocket engines and jet propulsion systems, SCJ.UU Series units are

utilized to precisely control the position of the nozzles. The linear motion capabilities of these units facilitate accurate adjustments, 

allowing engineers to optimize the exhaust flow and enhance overall propulsion efficiency.

Aerodynamic Surface Actuation: Aerospace vehicles often incorporate movable aerodynamic surfaces for improved control and stability. 

Linear motion ball slide units are integrated into the actuation systems of these surfaces, enabling precise movement and adjustment. 

This is particularly important during takeoff, landing, and maneuvers, where aerodynamic control plays a critical role.

Fuel and Oxidizer Flow Control: SCJ..UU Series units are employed in the control systems for regulating the flow of fuel and oxidizer in rocket engines. 

The linear motion capabilities ensure precise control over the valves and actuators, optimizing the combustion process 

and fuel efficiency during different stages of the propulsion system operation.

Vibration Damping in Engine Mounts: Aerospace propulsion systems generate significant vibrations during operation. 

The linear motion ball slide units are utilized in engine mounts to provide effective vibration damping. 

This ensures the longevity of propulsion system components and minimizes the risk of structural fatigue or failure.

Spacecraft Solar Array Deployment: Linear motion ball slide units are also utilized in the deployment mechanisms of solar arrays on spacecraft. 

These units enable controlled and smooth extension of solar panels, ensuring reliable power generation for the spacecraft's various systems.


Company Profile:

Established in 1989, Ningbo Saivs Machinery Co., Ltd. is a leading manufacturer and exporter specializing in investment casting, sand casting, and die castings. Our TS 16949-certified facility in Ningbo, China, ensures top-notch quality and timely delivery.

With extensive import and export experience, we offer high-quality products at competitive prices, tailored to your specific requirements. Our strong R&D and QC departments guarantee products meet stringent criteria, with the flexibility to produce according to your drawings and samples.

Producing over 12,000 tons annually across 1,000 varieties, our castings serve industries such as metallurgy, automotive, chemical, shipbuilding, and hardware. Over 60% of our products are exported globally. Our advanced facilities include medium-frequency induction furnaces, die-casting machines (250-1600 tons), and cutting-edge testing instruments.

Quality Standard:

We excel in producing Linear Motion Ball Slide Units for superior performance and durability. Precision engineering, overseen by our dedicated experts, ensures products meet stringent quality criteria.

Competitive Pricing:

Our dedication to producing superior connecting components is evident in the quality of our Linear Motion Ball Slide Units. Precision engineering, 

closely monitored by our experts, guarantees that our products consistently meet and surpass stringent quality standards, ensuring 

exceptional performance and durability.

The company according to the process and product structure consisting of organic processing, automatic grinding, and centerless grinding, 

linear guide, heat treatment, assembly • total 6 workshops, integrated use of the machining, all kinds of grinding machining, the common heat treatment with high-frequency heat treatment, stamping, rolling, polishing, the malleable cast made, injection molding, welding, adhesive, 

constant temperature baking, such as dozens of technology and equipment, to meet the different needs of customer production from global 


Related Products:


Linear Motion Ball Slide Units Aerospace Propulsion Systems


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