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Tech Specifications

SKU: ES-9-S02

Series: ES

Ring Type: External

Units: Metric

Ring Style: Spirolox (Spiral)

Shaft Diameter: 9.00 mm

Groove Yield: 1,140 N

Ring Shear: 4,740 N

Groove Diameter: 8.48 mm

Groove Width: 0.74 mm

Material: Carbon Steel

Rating: Light Medium Duty

Number of Turns: 2

Ring Radial Wall: 0.76 mm

Ring Thickness: 0.64 mm

Free Inside Diameter: 8.41 mm


The ES Series metric retaining rings are Smalley's standard Spiral Retaining Rings produced to Metric Aerospace specifications. They fit grooves specifically designed for 2-turn spiral retaining rings and accommodate light to medium duty applications.