SUS301 Constant Force Spring，Load 5.93 lbs，ID 0.88″,OD 1.15″,Total Length 35.98″,EXTANDED Length 30″,Material Wideness 0.75″,Material Thickness 0.0118″,Pack of 5

Description

Product Overview

The SUS301 constant force spring is engineered to deliver a reliable, unvarying pull of 5.93 pounds across its entire range of motion. Constructed from high‑grade spring steel with a material thickness of 0.0118 inches, the spring offers exceptional resilience and longevity even in demanding industrial environments. Its dimensions—ID 0.88″, OD 1.15″, total length 35.98″ with an extended length of 30″—provide a compact footprint while maintaining a robust load capacity. The spring’s material wideness of 0.75″ ensures a smooth, consistent force curve, making it an ideal solution for applications that require a steady tension without the need for complex mechanical adjustments. Packaged in a set of five, the SUS301 offers both convenience and cost‑effectiveness for bulk purchasers and maintenance teams.

Usage

Designed for versatility, the SUS301 constant force spring excels in a variety of settings. In manufacturing facilities, it serves as a counterbalance for moving parts, reducing wear on motors and extending equipment lifespan. In commercial installations, the spring is frequently employed in door closers, providing a smooth, controlled shut that enhances safety and user experience. Cable retractors and hose reels benefit from the spring’s consistent pull, ensuring that cables and hoses retract neatly without tangling or excessive force. The spring’s compact size also makes it suitable for integration into portable equipment, such as handheld tools and compact machinery, where space is at a premium. Its reliable performance under fluctuating temperatures and humidity levels makes it a trusted component for outdoor applications, including agricultural machinery and field‑service tools.

Why Choose Us

Choosing the SUS301 constant force spring means selecting a product backed by Shanghai PreciseSpring’s decades of expertise in precision spring manufacturing. Each spring undergoes rigorous quality control testing, including tensile strength verification and fatigue life assessment, to guarantee that it meets or exceeds industry standards. The spring’s design incorporates a patented winding technique that minimizes internal stress, resulting in a longer service life and reduced risk of premature failure. Our commitment to customer satisfaction extends beyond the product itself; we provide comprehensive technical support, detailed installation guides, and a responsive after‑sales service team ready to address any concerns. With a proven track record reflected in a Best Sellers Rank of #18 in Mechanical Constant Force Springs, the SUS301 is a trusted choice for engineers, maintenance professionals, and procurement specialists alike.

Key Features

• Consistent 5.93 lb pull ensures reliable performance in demanding applications
• High‑grade spring steel construction provides exceptional durability and fatigue resistance
• Compact dimensions allow easy integration into limited‑space equipment and assemblies
• Pack of five springs offers cost‑effective bulk purchasing and convenient stock management
• Dedicated technical support and after‑sales service guarantee peace of mind for end users

FAQ

What is the maximum load capacity of the SUS301 spring?

The SUS301 is rated for a maximum constant load of 5.93 lb, making it suitable for a wide range of counterbalance and tension applications.

Can the spring be used in outdoor environments?

Yes, the spring’s high‑grade steel material and protective coating are designed to withstand temperature variations, humidity, and exposure to mild corrosive elements, making it appropriate for outdoor use.

How does the pack of five benefit my operation?

Purchasing a pack of five reduces per‑unit cost, simplifies inventory management, and ensures you have spare springs on hand for quick replacements, minimizing equipment downtime.

Is custom sizing available?

While the SUS301 is offered in its standard dimensions, Shanghai PreciseSpring provides custom spring manufacturing services for projects that require specific sizes or load ratings.

What warranty does the spring come with?

The SUS301 constant force spring is covered by a one‑year limited warranty against material defects and workmanship, reflecting our confidence in product quality.

In summary, the SUS301 constant force spring combines precise engineering, durable materials, and thoughtful packaging to deliver a reliable solution for a broad spectrum of industrial and scientific applications. Whether you are retrofitting an existing system or designing a new product, this spring provides the consistent force needed to ensure smooth operation, reduce wear on moving components, and enhance overall system efficiency. Its versatility, combined with the backing of Shanghai PreciseSpring’s expertise and comprehensive support, makes it a strategic choice for professionals seeking performance, reliability, and value.