Rotor Clip E-12ST Zd External E Style Retaining Ring

Product Description

The ROTOR CLIP E-12ST ZD is an external E style retaining ring designed for light-duty axial retention on small-diameter shafts. It seats in a precision-cut external groove to prevent lateral movement of components on the shaft. The ring is manufactured from SAE 1060-1090 carbon steel with a yellow zinc dichromate finish for corrosion resistance. At 0.015 inches thick and sized for a 1/8 inch shaft, it is well suited for compact assemblies in motors, pumps, appliances, and HVAC equipment. Machinists, mechanical technicians, and assembly professionals install these rings using standard E-ring application pliers or a flat-blade tool.

This retaining ring is appropriate for use in residential and light commercial equipment where small-diameter shaft retention is required. Typical applications include fan motor shaft assemblies, small pump impeller retention, gear assemblies, and similar mechanical subassemblies found in HVAC systems, plumbing equipment, and general industrial machinery. The three-prong E style design allows side-loading installation without full shaft disassembly, making it practical for in-place service work on assembled components.

Key Features

• E style three-prong design allows side-loading installation without removing the shaft
• Yellow zinc dichromate finish provides corrosion resistance in moderate-exposure environments
• SAE 1060-1090 carbon steel construction with a hardness rating of 84.5 to 87 HR15N
• Groove diameter of 0.095 inches with a tolerance of 0.000 to 0.002 inches for precise fitment
• Ring thickness of 0.015 inches suits thin-groove shaft configurations in compact assemblies
• Meets SAE 1060-1090, UNS G10600-G10900, and ISO 13485:2015 standards

Compatibility

Designed as an OEM-style external retaining ring for 1/8 inch diameter shafts requiring a 0.095 inch groove diameter. Suitable for use in any application where shaft and groove dimensions meet the specified tolerances.

Installation Notes

Installation is performed by mechanical technicians or assemblers using E-ring pliers or a flat-blade applicator tool. The shaft assembly should be fully de-energized and depressurized before ring removal or installation. Verify groove dimensions and ring seating before returning the assembly to service. Do not over-stress the ring prongs during installation as this can reduce retention force.