The Rotor Clip E-43ST PA B100 is a high-quality external retaining ring designed for applications requiring secure assembly retention on shafts with a 7/16" diameter. Manufactured from carbon steel and finished with a phosphate coating, this ring offers enhanced durability and resistance to corrosion, making it suitable for various industrial environments. Its E-style design features three prongs that fit securely into the groove's base, creating a sturdy retaining shoulder. This design ensures effective retention of assemblies, accommodating lower thrust loadings compared to axial retaining rings. The absence of lug holes simplifies installation, allowing for easy application using retaining ring applicators. With a maximum load capacity of 830 lbs and a limiting speed of 16,500 rpm, the E-43ST PA B100 is engineered to meet the demands of high-speed and high-load applications. The phosphate finish provides extended shelf-life protection against rusting, ensuring long-term reliability. This retaining ring is RoHS compliant, adhering to environmental standards. Its compact dimensions, with a thickness of 0.035" and an outside diameter of 0.687", make it suitable for applications where space constraints are a consideration. The E-43ST PA B100 is an economical alternative to axially assembled external tapered section rings, offering a cost-effective solution without compromising on performance. Its design and material selection contribute to operational efficiency by reducing the need for complex installation processes and minimizing maintenance requirements. By choosing the Rotor Clip E-43ST PA B100, businesses can enhance the reliability and longevity of their machinery, leading to reduced downtime and improved overall operational performance.